Wasatch Photonics WP Series User manual

WP Series-XL Quick-Start Guide
using ENLIGHTEN™
For Wasatch Photonics Series-XL Spectrometers
Revision 1.0
April 29, 2022

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Contents
Unpacking the Spectrometer 2
Power Supply Compatibility 7
Assembling the Spectrometer 7
Installing ENLIGHTEN 12
Installing Andor Drivers 12
Installing Configuration File 12
Launching ENLIGHTEN 13
Operating ENLIGHTEN 14
Temperature Stabilization 14
Raman Mode 15
Dark Measurement 15
Sample Measurement 15
Baseline Correction 16
Shutter Control 17
More information 17

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1. Unpacking the Spectrometer
You should find the following items when you unpack your Series-XL spectrometer:
Unpacked XL components
The six cables can be identified as follows:
Shutter Power Cable (3-pin connector)

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Shutter Power Supply (12V)
Andor Power Supply (5-pin plug, mixed voltages)
Andor Power Cable (standard PC cable)

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Shutter Cable
USB 2.0 Cable (standard-A to standard-B)
Also take a moment to familiarize yourself with the connectors on the spectrometer and Andor camera.

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Andor camera connectors (shutter, left; power, right; USB, bottom)
Spectrometer SMA connector and cap

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Spectrometer shutter connectors (cable, left; power, right)
1.1. Power Supply Compatibility
Note that different models of Andor camera ship with different power supplies, and those are not
necessarily interchangeable, even when they share a common connector. For example:
Camera Model
iDus 416
Newton DU940P-BU
Power Supply
PCM50UT05
T3404AD
Pin 1
+5V (5A max)
+5V @ 3.5A
Pin 2
N/C
+7.5V @ 4A
Pin 3
0VDC (COMMON)
0VDC (COMMON)
Pin 4
+15V (2A max)
+15V @ 100mA
Pin 5
-15V (0.8A max)
-15V @ 100mA
1.2. Assembling the Spectrometer
Now that we can identify each of the cables and connectors, let’s assemble the system.
Start by connecting the two power cables to their respective power supplies.

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Assembled Andor Power Cable
Assembled Shutter Power Cable
Now connect the Shutter Cable from the Andor camera to the spectrometer’s shutter.

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Connected Shutter Cable
Connected Shutter Cable (camera end)

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Connected Shutter Cable (spectrometer end)
Now let’s assemble the system. Connect the assembled Shutter Power Cable to the spectrometer.
Connect Shutter Power Cable to spectrometer
Connect the assembled Andor Power Cable to the camera..

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Connect Andor Power Cable to camera
Finally, connect the USB cable’s standard-B connector to the Andor camera.
Fully-assembled Series-XL spectrometer
You now have a fully-connected Wasatch Photonics XL spectrometer ready for connection to mains
power and your computer.

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2. Installing ENLIGHTEN
An installer for a compatible version of ENLIGHTEN 3.1 or newer is provided on a thumbdrive with your
spectrometer. If you wish to try more recent betas, they may be downloaded from our website.
2.1. Installing Andor Drivers
Wasatch Photonics Series-XL spectrometers use cameras from Andor, so you’ll need to install their
driver pack as well. Fortunately it’s quick, easy and free!
●Andor Driver Pack 2
2.2. Installing Configuration File
Your Series-XL spectrometer will come with a configuration file on the included thumbdrive. This file
contains the wavelength calibration and other factory settings which ENLIGHTEN needs to properly
communicate with your spectrometer.
The file, which will have a name like “CCD-27239.json”, will need to be copied to a “config” directory
inside your EnlightenSpectra folder.
Copy provided configuration file to EnlightenSpectra\config
The file is straightforward to view if you need to verify or edit its contents.

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View or edit configuration file
Sample configuration file contents
3. Launching ENLIGHTEN
Launch ENLIGHTEN from the desktop shortcut, or using the Start Menu of your Windows computer.

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4. Operating ENLIGHTEN
4.1. Temperature Stabilization
ENLIGHTEN displays a message while connecting to Series-XL spectrometers, as it takes several seconds
to fully initialize communications.
When the connection process is complete, ENLIGHTEN will display the resulting serial number and
spectrometer model.
At first connection, the spectrometer temperature will not yet be fully cooled, as indicated by the Status
Bar and System Status indicators (orange “Temp” LED).
ENLIGHTEN will automatically configure the detector to cool to the lowest supported temperature
(typically -55°C). However, it may take a few minutes for the temperature to stabilize.

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Hardware Capture showing TEC stabilized to -55°C over 3min
4.2. Raman Mode
Use the “Techniques” menu to change from the default “Scope” mode to “Raman.”
When you change to Raman Mode, several things happen:
1. You are taken to the Setup Screen to confirm your measurement options
2. The “Wavenumber” field is automatically checked for you under Saved Data Options
3. You are prompted to take a dark measurement
Raman Setup options
When you are content that your settings are correct, click “Capture” to return to the Scope screen.
4.3. Dark Measurement
Take a dark measurement by clicking the dark “light bulb” icon on the button bar.
4.4. Sample Measurement
Ensure your sample is safely ensconced in a sealed vial accessory, then turn on your laser.

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Dark-corrected Raman spectrum (cyclohexane shown)
4.5. Baseline Correction
ENLIGHTEN will prompt you to “enable baseline correction for better matching.” Do so by enabling
“Advanced Features,” then “Baseline Correction”.
Scroll to the newly-exposed Baseline Correction control and click “Enable.”

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Baseline-corrected Raman spectrum (cyclohexane shown)
4.6. Shutter Control
Use the XL spectrometer’s built-in shutter to facilitate taking fresh darks.
Shutter control (“Enabled” means open, transmitting light)
Note that Baseline Correction must be disabled before taking a new dark.
5. More information
There is so much more you can do with your Wasatch Photonics Series-XL spectrometer!
For additional information, see the following resources.
●ENLIGHTEN 3 Manual
●Wasatch Photonics software drivers
●Andor iDus Hardware Guide