THORLABS OCS1300SS User manual

OCS1300SS
Swept Source OCT System
User Guide

Swept Source OCT System Chapter 1: Introduction
Rev H, June 3, 2011 Page 3
Table of Contents
Chapter 1 Introduction........................................................................................................................4
1.1. Important Notices......................................................................................................... 4
1.2. Safety and Warnings .................................................................................................... 5
1.3. Care of the Swept Source OCT System ...................................................................... 6
1.4. Maintenance.................................................................................................................. 6
1.4.1. Optical Cleaning....................................................................................................................6
1.4.2. Service ..................................................................................................................................7
1.4.3. Accessories and Customization............................................................................................7
Chapter 2 System Description...........................................................................................................8
2.1. Technical Specifications.............................................................................................. 8
2.2. Swept Source Optical Coherence Tomography (SSOCT) Theory............................. 9
2.3. Operating Principles..................................................................................................... 9
2.3.1. Data Acquisition ..................................................................................................................10
2.3.2. Software..............................................................................................................................10
2.4. Component Overview................................................................................................. 11
2.4.1. Packing List.........................................................................................................................11
2.4.2. Swept Source OCT Engine and Imaging Module...............................................................12
2.4.3. Imaging Probe.....................................................................................................................13
2.4.4. Microscope Adapter ............................................................................................................14
2.4.5. Computer.............................................................................................................................14
2.5. Installation of Swept Source OCT Systems.............................................................. 16
2.5.1. Swept Source Connections.................................................................................................16
2.5.2. Probe Configurations ..........................................................................................................19
Chapter 3 System Operation............................................................................................................20
3.1. Starting the System.................................................................................................... 20
3.2. Shutting Down the System ........................................................................................ 21
Chapter 4 Warranty Information ...................................................................................................... 22
Chapter 5 Certifications and Compliance.......................................................................................23
Chapter 6 Appendix........................................................................................................................... 24
6.1. Setting the Line Select Switch................................................................................... 24
6.2. Changing the Input Fuses.......................................................................................... 24
Chapter 7 Regulatory ........................................................................................................................25
7.1. Waste Treatment is Your Own Responsibility.......................................................... 25
7.2. Ecological Background.............................................................................................. 25
Chapter 8 Thorlabs Worldwide Contacts........................................................................................ 26

Swept Source OCT System Chapter 1: Introduction
Rev H, June 3, 2011 Page 4
Chapter 1 Introduction
1.1. Important Notices
ATTENTION USERS
Please read the instruction manual carefully before operating the Swept Source OCT System. All
statements regarding safety and technical specifications will only apply when the unit is operated
correctly.
Refer to this User’s Guide whenever the following symbols are encountered on the OCT System:
Attention symbol indicates that additional information is available in this user guide.
Laser Safety symbol indicates that laser radiation is present.
This equipment is intended for laboratory use only and is not certified for medical applications,
including but not limited to, life support situations.
WARRANTY WARNING
Do not open the Imaging Module, the Imaging Probe, the Swept Source Engine, or the PC. There are
no user serviceable parts in this product. Opening the device will void your warranty. Any
modification or servicing of this system by unqualified personnel renders Thorlabs free of any
liability. This device can only be returned when packed into the complete original packaging,
including all foam packing inserts. If necessary, ask for replacement packaging.
ATTENTION USERS
Check the supply voltage of the system BEFORE plugging in the computer. Set the line select
switch on the CPU to the appropriate setting (See Appendix 6.1). Make sure the included power
cords for the swept source engine, computer, and monitor are connected to a properly grounded
power outlet (100 –240 VAC; 50 –60 Hz). Transportation and delivery may cause the Swept Source
OCT System to be warm or cool upon receipt. Please wait for the system to reach room temperature
before attempting to operate.
Operate this system on a flat, dry, and stable surface only.

Swept Source OCT System Chapter 1: Introduction
Rev H, June 3, 2011 Page 5
1.2. Safety and Warnings
WARNING HIGH VOLTAGE
Before applying power to your system, make sure that the protective conductor of the three-
conductor main power cord is correctly connected to the protective earth contact of the socket
outlet. Improper grounding can cause electric shock resulting in severe injury or even death. Make
sure that the line voltage rating agrees with your local supply and that the appropriate fuses are
installed. Do not operate without cover installed. Fuses should only be changed by qualified service
personnel. Contact Thorlabs for assistance.
Note: Thorlabs provides the proper power input cable with each system for use in the United States.
If using this unit anywhere else, the user will need to supply a properly grounded power cable to the
power unit.
ATTENTION
Do not obstruct the air-ventilation slots in the computer housing. Do not obstruct air-ventilation into
the bottom of the swept source engine or out of the exhaust fan on the rear of the unit.
Mobile telephones, cellular phones, or other radio transmitters are not to be used within the range
of three meters of this unit since the electromagnetic field intensity may exceed the maximum
allowed disturbance values according to EN50082-1.
LASER RADIATION WARNING
Do not, under any circumstances, look into the optical output when the device is operating or view
with optical instruments within 100 mm of the Laser Aperture
Caution: Use of controls or adjustments, or performance of procedures other than those specified
herein may result in hazardous radiation exposure.
Specific System Classifications:
Swept Source Engine Output: Class 1M @ 1320 nm
Imaging Module Output: Class 1M @ 1320 nm / Class 3R @ 660 nm
Imaging Probe Output: Class 1M @ All Wavelengths

Swept Source OCT System Chapter 1: Introduction
Rev H, June 3, 2011 Page 6
1.3. Care of the Swept Source OCT System
Handle the system with care during transportation and unpacking. Banging or dropping the system can damage
the unit or lower system performance. If the system is mishandled during shipment, the optical components may
become misaligned, which could lead to a decrease in the image quality. If this happens, the system will need to
be realigned by qualified personnel. If the system is dropped from a height greater than 15", it will be necessary
for qualified Thorlabs’ personnel to perform an electrical security check. Please contact Thorlabs for more
information. To ensure proper care and operation of your Swept Source OCT System, please follow the handling
instructions below.
Do not store or operate in a damp, closed environment.
Do not store or operate on surfaces that are susceptible to vibrations.
Do not expose to direct sunlight.
Do not use solvents on or near the equipment.
Keep away from dust, dirt, and air-borne pollutants (including cigarette smoke). The system is not
designed for outdoor use. Protect the equipment from rain, snow, and humidity.
Do not expose to mechanical or thermal extremes. Protect the equipment from rapid variation in
temperature.
Handle all connectors, both electrical and optical, with care. Do not use unnecessary force as this may
damage the connectors.
Handle the optical fiber with care; mechanical stress can decrease the performance and potentially
destroy the fiber. Continual bending of the optical fiber can cause damage. It is important to keep the
optical fiber patch cable as straight as possible to minimize bending.
Note: The most common cause of low signal intensity is contamination of the fiber due to airborne pollutants. To
minimize exposure, avoid unnecessarily disconnecting the optical fiber patch cable. In addition, it is advisable to
check the fiber before making other adjustments to the optical system, such as changing the focus or optical path
length. Be sure to check the patch cord for a loose connection, and make sure that the fiber is kept as straight as
possible.
All lasers, especially lasers having resonator cavities defined by mechanical tolerances, are delicate precision
instruments and they must be handled accordingly. The Swept Source OCT system is designed to withstand
normal transportation and normal operating conditions. Do not move the system while it is connected and in
operation.
1.4. Maintenance
1.4.1. Optical Cleaning
Good performance and image quality of the OCT imaging system relies on clean optical connections. Whenever
using the Thorlabs OCT system, the following rules of thumb for optical fiber connection should be followed:
ALWAYS inspect and clean the fiber end before plugging it into a receptacle.
ALWAYS cover the fiber end that is not in use with a fiber cap or dust protection cover.
For the customer’s convenience, a fiber cleaner and a fiber inspection scope (Thorlabs FS200) is included with
the system.

Swept Source OCT System Chapter 1: Introduction
Rev H, June 3, 2011 Page 7
Figure 1 Fiber Inspection Scope (FS200)
Please follow the steps below to inspect the fiber end:
Ensure that any source of Laser Radiation is TURNED OFF. This OCT system provides both IR and visible laser
radiation, so both sources must be disabled. The lasers are off when the “LASER ON” indicator on the front panel
of the Swept Source Engine is not illuminated, and when the “AIM ON” indicator on the Imaging Module is not
illuminated.
1. Insert the terminated fiber into the fiber input.
2. Look into the eyepiece and press the on/off switch.
3. Adjust the focus control to find the clearest image.
4. Rotate the fiber end to make sure that no dirt is rotating in the view. Dirt that rotates with the fiber is
attached to the tip of the ferrule.
5. If the fiber tip is dirty, draw figure 8’s with the ferrule on the cleaning reel. Re-inspect, and repeat if
necessary.
1.4.2. Service
Only trained and approved Thorlabs’ personnel should service the system. Please contact Thorlabs’ Technical
Support at [e-mail] and a member of our team will be happy to assist you.
1.4.3. Accessories and Customization
Though the system is easily adapted for custom interfaces, to achieve the listed specifications, this system should
only be used with accessories provided by Thorlabs. Any modification or servicing by unqualified personnel
renders the warranty null and void, leaving Thorlabs free of liability. Please contact Thorlabs for questions on
customization.
Focus adjustment
Fiber input
Eyepiece
On/off switch

Swept Source OCT System Chapter 2: System Description
Rev H, June 3, 2011 Page 8
Chapter 2 System Description
2.1. Technical Specifications
Unless otherwise stated, all specifications are typical.
Optical
Central Wavelength
1300 nm
Spectral Bandwidth
100 nm
Average Output Power
10 mW
Coherence Length
6 mm
Axial Scan Rate
16 kHz
Data Acquisition
A/D Conversion Rate
100 MS/s
A/D Resolution
14-bit
A/D Channels
2
Analog Output Rate
1 MS/s
Analog Output Resolution
16-bit
Analog Output Channels
4
Imaging
2D Cross Sectional OCT Imaging Capability
Imaging Speed (512 A-Scans per Frame)
25 fps
Maximum Imaging Size (H x D)
4000 x 512 pixels
Maximum Imaging Width
10 mm
Maximum Imaging Depth
3.0 mm
Transverse Resolution
25 µm
Axial Resolution Air/Water
12 / 9 µm
2-D en-face Imaging Capability
CMOS Sensor
5.78 mm x 4.19 mm
Maximum Resolution Pixel
510 (H) x 492 (V)
Imaging Speed
20 fps
3D Volumetric Imaging Capability
Maximum Volume Size (L x W x D)
10 mm x 10 mm x 3 mm
Maximum Sampling Resolution (L x W x D)
1024 x 1024 x 512 pixels
Imaging Time
~30 seconds
General
Supply Voltage for Swept Source Engine*
100 –240 VAC 50 / 60 Hz
Supply Voltage for Imaging Module
±15 VDC
Supply Voltage for Computer*
115 / 230 VAC 50 / 60 Hz
Storage/Operating Temperature
10 –40 C
Dimensions of Probe Stand (L x W x H)
305 mm x 355 mm x 375 mm
Dimensions of Swept Source (L x W x H)
320 mm x 270 mm x 150 mm
Dimensions of Imaging Module (L x W x H)
320 mm x 270 mm x 65 mm
Dimensions of Computer (L x W x H)
445 mm x 445 mm x 19 mm
* Swept Source Engine has universal AC input; Computer may require proper line select switch setting (See Appendix 7.1)

Swept Source OCT System Chapter 2: System Description
Rev H, June 3, 2011 Page 9
2.2. Swept Source Optical Coherence Tomography (SSOCT) Theory
Swept Source Optical Coherence Tomography (SSOCT) technology uses a rapidly tuned narrowband source to
illuminate the interferometer and records the information with a single photodetector. SSOCT technology, like
optical frequency domain reflectometry, measures the magnitude and time delay of reflected light in order to
construct depth profiles (A-scans) of the sample being imaged. Adjacent A-scans are then synthesized to create
an image.
Advanced data acquisition and digital signal processing techniques are employed in the SSOCT system to enable
real-time video rate OCT imaging. This OCT system enables the generation of images similar to confocal
microscopy by summing signals in the axial direction. High-speed 3D OCT imaging provides comprehensive data
that combines the advantages of surface microscopy and structural OCT imaging in a single system.
SSOCT has the advantage of generating high-speed depth profiles at the sweeping rate of the laser, as well as
collecting interference signals from the sample using a high-efficiency balanced detection scheme. The 5 –6 mm
coherence length of the laser enables approximate 3 mm depth measurement range of the reflected signal
without significant decay in the system detection sensitivity.
The Swept Source Optical Coherence Tomography system utilizes the latest swept source based Fourier domain
OCT technology to provide an OCT imaging system with detection sensitivity and imaging speeds much higher
than conventional time-domain OCT (TD-OCT) systems. At the heart of the instrument is a swept laser source
that tunes the lasing wavelength across a broad wavelength range at tens of kilohertz repetition rate. Each sweep
of the laser wavelength provides a depth scan at a sample surface point that yields a detailed depth dependent
reflectivity profile along the direction of the laser illumination path. The high-speed scan of the laser enables the
real-time video rate imaging speed, which is one of the most important features of the SSOCT system.
The SSOCT system is capable of providing highly detailed, 2D cross-sectional imaging of a sample’s internal
structure, as well as computer generated 3D reconstruction of a volume near the sample surface. The internal
structure of a sample can be accurately mapped via computer generated tomographic images.
The OCS1300SS provides simultaneous multiple imaging channels for microscopic viewing of the sample. The
en-face images, similar to those obtained from a conventional microscope, can be acquired from the CMOS
camera channel while the cross-sectional images that show the sample's internal structure are acquired from the
OCT channel. Due to the novel data acquisition and signal processing methods employed, real-time video-rate
imaging speed has been achieved on both channels.
2.3. Operating Principles
Figure 2, found on page 10, shows the schematic of Thorlabs’ OCS1300SS OCT system. This system
incorporates a high-speed frequency swept external cavity laser which has a 3 dB spectral bandwidth - (larger
than 100 nm) - and an average output power of 10 mW. The swept source has a built-in Mach-Zehnder
Interferometer (MZI, Thorlabs INT-MZI-1300) that provides the frequency clock for the laser. The main output of
the laser is coupled into a fiber-based Michelson interferometer and split into the reference and sample arms
using a broadband 50/50 coupler (Thorlabs INT-MSI-1300).
In the reference arm of the interferometer, the light is reflected back into the fiber by a stationary mirror. In the
sample arm, the light is fiber coupled into the handheld probe, collimated, and then directed by the XY galvo
scanning mirrors towards the sample. The axial scans (A-scans) are performed at 16 kHz, which is the sweeping
frequency of the laser. The transverse scan (B-scan) is controlled by the galvo scanning mirrors and determines
the frame rate of the OCT imaging.
The light is then focused onto the sample surface by an objective with a long working distance. The long working
distance of the objective provides a large clearance (≥25 mm) between the optics and the sample, which enables
easy handling of the sample. A dichroic mirror is inserted into the beam path to reflect the visible light from the
sample onto a CCD camera that records the conventional microscope images of the sample. An aiming laser
centered at 660 nm is coupled into the sample arm of the interferometer to visually indicate the scanning trace of
laser.

Swept Source OCT System Chapter 2: System Description
Rev H, June 3, 2011 Page 10
The sample is placed on a stage, providing XY and rotational translation. An integrated CCD camera in the probe
provides a conventional microscopic view of the sample which aids sample alignment. A pair of XY galvo mirrors
scans the beam across the sample surface creating 1D, 2D, or 3D images.
Figure 2 Schematic of SSOCT System
The schematic of Thorlabs’ OCS1300SS OCT system is as follows: the swept laser source (SS), fiber coupler
(FC), polarization controller (PC), circulator (CIR), collimator (C), adjustable pinhole variable attenuator (AP), and
mirror (M).
2.3.1. Data Acquisition
In the Thorlabs SSOCT, the interference signal is detected using a high-transimpedance, gain-balanced
photodetector that suppresses the DC and autocorrelation noise in the interference signals. A 14-bit, high-speed
digitizer is used to sample OCT interference fringe signals, which are first converted from time to frequency using
a fast Fourier transform (FFT) and then recalibrated. The FFT of the interference signal yields the depth-
dependent reflectivity profile for the OCT image.
All required data acquisition and processing is performed via the integrated software package, which contains a
complete set of functions for controlling data measurement, collection, and processing, as well as for displaying
and managing OCT image files.
2.3.2. Software
The software package within the SSOCT system includes a library of parameters for sample applications. This
system offers a high degree of flexibility by allowing the user to modify experimental parameters to suit
experimental needs. For example, the lateral scanning range and the step width are both user controlled. In
addition, the data sets are easily accessed off-line for further image processing and data analysis.
In the 1D imaging mode, there is no transverse scanning of the beam in the sample arm. The recalibrated
interference fringe signals and the Fourier transformed point spread functions are displayed in real time, which
aids optimization of the signal and system parameters. In the 2D imaging mode, the beam is scanned in one
direction and cross-sectional OCT images are displayed in real time. The software provides flexible control of
image size, brightness, contrast, and the A-line average. For the 3D imaging mode, the probe beam is
sequentially scanned across the sample surface area, and the 3D volume data set under this area is acquired,

Swept Source OCT System Chapter 2: System Description
Rev H, June 3, 2011 Page 11
processed, and stored. 3D volume display capability of the data is provided with the preinstalled software. The
OCT data may be displayed in 2D or 3D mode.
The software allows real-time recording of 2D or 3D data into disk files at full imaging speed. The recorded binary
data files can be exported into standard image files (jpeg, bmp) or converted to movie files (avi).
Detailed operating instructions for the SSOCT Software are provided in a separate SSOCT Software User’s
Manual 18100-D03.
2.4. Component Overview
2.4.1. Packing List
Please refer to the packing list below to ensure that the system is complete. Use only original parts. If any item is
missing or damaged, contact Thorlabs for assistance.
Components
Quantity
Manual (OCT System and OCT Software)
1 ea.
Swept Source OCT Engine
1
Imaging Module
1
Imaging Probe
1
Probe Adapter Stand
1
Computer
1
19” LCD Monitor
1
Keyboard
1
Mouse
1
Imaging Signal Cable Bundle (2 SMA to SMA, 1 SMA to BNC)
1
Imaging Signal Cable Bundle (2 SMA to BNC)
1
12” BNC to SMA Cable
1
DC Power Cable
1
SMF28 Fiber Patch Cables (0.3 m and 2 m Sample Arm Fiber)a
2
USB Cable (Included with PC Monitor)
1
FS200 Fiber Microscopeb
1
FCC-7020 Fiber Tip Cleanerb
1
FBC1 Fiber Bulkhead Cleanerb
1
Power Cordsc
3
5/64” Ball Driver
1
aFiber cable is made to a specific length to match the Imaging Module.
bStandard Thorlabs product.
cPower cord supplied for use in North America only.

Swept Source OCT System Chapter 2: System Description
Rev H, June 3, 2011 Page 12
2.4.2. Swept Source OCT Engine and Imaging Module
SSOCT applications require a laser that can be swept over a broad wavelength range with very high speed. The
broad wavelength tuning range is required for obtaining high image resolution while the high tuning speed is
needed for video rate imaging speeds higher than 20 fps.
Thorlabs' Swept Source Laser is specifically designed for SSOCT applications. The 1300 nm laser sweeps across
at least 100 nm at a 16 kHz repetition rate, offers a coherence length of 6 mm, and delivers more than 10 mW of
average optical power out of an SMF28 single mode fiber. The Swept Source Engine is based on a patented
external cavity laser diode design.
The Imaging Module serves as an electro-optical interface between the Swept Source Engine, Imaging Probe,
and the host computer. It contains the galvanometer control circuits as well as additional optical elements needed
for OCT image processing. It is also the control point for the visible “aiming” laser that is combined with the swept
source output to allow the user to see the actual sampling area at the Imaging Probe output.
Figure 3 Imaging Module and Swept Source Engine

Swept Source OCT System Chapter 2: System Description
Rev H, June 3, 2011 Page 13
2.4.3. Imaging Probe
The OCS Swept Source OCT system can be operated using the Microscope Adapter option or using the Imaging
Probe as a stand-alone, hand-held interface device. The Imaging Probe fits in the palm of your hand and gives
more accessibility to the system. The probe can be easily moved from one place to another and can be placed on
samples that cannot normally be placed under the microscope option. The Imaging Probe contains the X-Y
galvanometers and optics required to manipulate the swept laser and aiming laser light onto the imaging sample.
An adjustable sample spacer allows the user to maintain a consistent distance between the optics and the
sample.
Figure 4 Imaging Probe

Swept Source OCT System Chapter 2: System Description
Rev H, June 3, 2011 Page 14
2.4.4. Microscope Adapter
The Microscope Adapter is specifically designed for use in the SSOCT system. It allows the user to mount the
Imaging Probe to a stable working platform that provides Z-translation of the Imaging probe, and X, Y and
rotational translation of the imaging sample plate. The long working distance of the objective lens in the
microscope allows the user to examine different types of sample (tissue or materials) with easy access and
mobility.
Figure 5 Imaging Probe in Probe Adapter Stand
2.4.5. Computer
The computer contains an analog control card and a digitizer card, and controls all data acquisition including
parameters for controlling the scan probe and data collection. All required data acquisition and analysis is
performed within the pre-installed SSOCT software package, and the resulting 1D, 2D, or 3D images are
displayed on the computer monitor. The data can be saved, analyzed, and exported for further use.

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2.5. Installation of Swept Source OCT Systems
2.5.1. Swept Source Connections
Figure 6 Opto-Electronic Interconnect Diagram
Note: Cables 1,2,3,5, and 6, are contained in the Imaging Signal Cable Bundle; Cable 4 is the 6” BNC-SMA cable.

Swept Source OCT System Chapter 2: System Description
Rev H, June 3, 2011 Page 17
For the following steps, please refer to Figure 6 on the previous page.
1. Connect the “MZI SIG” SMA port of the Swept Laser to the “CH A” BNC port on the computer.
2. Connect the “TRIGGER” SMA port of the Swept Laser to the “TRIG IN” BNC port on the computer.
3. Connect the “OCT SIG” SMA port of the Imaging Module to the “CH B” BNC port on the computer.
4. Connect the “AUX IN” BNC port on the computer to the “SYNC 1” SMA port on the computer.
5. Connect the “SCAN X” SMA port on the Imaging Module to the “X” port on the computer.
6. Connect the “SCAN Y” SMA port on the Imaging Module to the “Y” port on the computer.
7. Connect the male end of the DC power cable into the +/- 15 VDC port of the Swept Laser. Connect the
female end of the DC power cable into the +/- 13 VDC port of the Imaging Module.
8. Remove the caps from the fiber connectors on the 305 mm fiber patch cable. Inspect the FC/APC
connector with a fiber microscope to make sure the fiber tip is clean. Do not touch the fiber tip. Insert it
into the “LASER APERTURE” port on the Swept Laser, aligning the keys. Thread it onto the connector
until snug. Clean and connect the other end into the “LASER IN” port on the Imaging Module.
9. Remove the caps from the fiber connectors on the fiber patch cable included with the Imaging Probe.
Inspect the FC/APC connector with a fiber microscope to make sure the fiber tip is clean. Do not touch
the fiber tip. Insert it into the “LASER 1” port on the Imaging Module, aligning the keys. Thread it onto the
connector until snug. Clean and connect the other end into the “FC/APC” port on the Imaging Probe.
10. Connect the Dsub26 connector on the Imaging Probe to the “PROBE I/O” port on the Imaging Module.
11. Connect the USB cable to the USB port on the Imaging Module and to an available USB port on the
computer.
12. Insert the mouse, keyboard, and monitor in the designated computer ports (refer to computer
documentation
SMA-SMA Coax Cable
DC Power Cable
Fiber Optic Cable
Probe I/O Cable
USB Cable
BNC-SMA Coax Cable

Swept Source OCT System Chapter 2: System Description
Rev H, June 3, 2011 Page 18
IMPORTANT
If so equipped, check that the red line select switch near the AC input of the computer is on the
proper AC Voltage setting. The computer can be damaged if plugged into the incorrect wall voltage,
even if it is not powered on. See Appendix A for more details.
13. Insert a power cord into the back of the computer and plug the other end into an appropriate 110 or a 230
VAC wall outlet.
14. The Swept Laser has a universal AC input. Connect a suitable line cord into the AC input port of the
Swept Laser and the other end into an appropriate 110/230 VAC wall outlet.
Note: The RS232 connection is for firmware upgrades and system calibration and is not required for normal
operation.

Swept Source OCT System Chapter 2: System Description
Rev H, June 3, 2011 Page 19
2.5.2. Probe Configurations
Figure 7 Removing the Sample Spacer
Figure 8 Joint Installing Probe Onto Adapter Stand
Rotate knurled shaft
counterclockwise until
it is completely
loosened.
Slide both shafts
downward and
out of the Probe
housing.
Slide Probe
down onto the
mount until fully
seated
Align Dove-tail
joints on probe
and mount

Swept Source OCT System Chapter 3: System Operation
Rev H, June 3, 2011 Page 20
Chapter 3 System Operation
3.1. Starting the System
ATTENTION
Check the supply voltage of the system BEFORE plugging in the CPU and Swept Source Engine.
Set the line select switch on the CPU to the appropriate setting.
Make sure the power cords for Swept Source Engine, PC and monitor are connected to a properly
grounded power outlet (100 –240 VAC; 50 –60 Hz).
Transportation and delivery may cause the Swept Source OCT system to be warm or cool upon
receipt. Please wait for the system to reach room temperature before attempting to operate.
Use a flat, dry, stable surface to set up the system.
System Components Start-up
Follow these steps for a proper initialization of the system:
Figure 9 Swept Source Control Panel
1. Start the Swept Source Engine by placing the POWER switch to the “|” position. Verify that the “POWER
ON” indicator turns green.
2. At this time, ALL of the indicators on the Swept Source Engine will turn on for approximately 3 –5
seconds, then turn off with the exception of the POWER ON indicator and either the “TEMP” indicator or
“SYS OK” indicator, depending on the status of the internal temperature controller.
3. If the “TEMP” indicator is on wait until the “SYS OK” indicator turns green, the “TEMP” indicator should
turn off at that time. This should take no longer than 1 minute if the unit has been acclimated to room
ambient temperature.
4. Verify that the POWER ON indicator on the Imaging Module is also turned on.