Photonetics TUNICS-OM Series User manual

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TUNICS-OM
MODULAR TUNABLE LASER DIODE SOURCE
USER MANUAL
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CONTENTS
SAFETY CONSIDERATIONS .................................................................................................... 3
INTRODUCTION ...................................................................................................................... 7
I . DESCRIPTION OF THE INSTRUMENT ............................................................................ 8
....................................................................................
I . 1 . DESCRIPTION OF THE FRONT PANEL 8
.....................................................................................
1.2. DESCRIPTION OF THE REAR PANEL 10
I1 . SETTING UP THE INSTRUMENT ................................................................................... 11
.................................................................................
11.1 . INSTRUCTION TO CARRY THE UNIT 11
................................................................................
11.2. CONNECTION OF THE INSTRUMENT 11
I11 . AUXILIARY INPUTS AND OUTPUTS ............................................................................... 13
....................................................................................................
111.1 . BEAM MODULATION 13
...............................................................................................
11 1.2. MONITOR CONNECTORS 13
APPENDIX A: CHARACTERISTICS ........................................................................................ 15
APPENDIX B: MAINTENANCE
............................................................................................... 17
APPENDIX C: REPLACEABLE PARTS
................................................................................... 19
APPENDIX D: REMOTE INTERLOCK ..................................................................................... 20
CONTACTING PHOTONETICS ............................................................................................... 21
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SAFETY CONSIDERATIONS
Respect of the following safety precautions is vital to your health and instrument safety.
SYMBOLS AND TERMS:
The following symbols and terms may appear in this manual or on the equipment.
-Terms in this manual:
A
CAUTION
Caution statements identify conditions or practices that could result in damage
to this product or other property.
-
-Terms on the product:
DANGER
indicates an injury hazard immediately accessible as you read the marking.
WARNING
indicates an injury hazard not immediately accessible as you read the marking
CAUTION
indicates a hazard to property, including the product itself.
-Svmbols on the product:
CAU'I ION (Refer to Manual)
0
Protective Ground (Earth) CAIJTION, Risk of electric shock
Laser product (This warning label is located on the front panel
of each module)
DANGER IABFI
(located on the s~dcot the TUNICS-OM module and
on the rear panel)
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LASER SAFETY:
1 Laser type I External cavity laser diode
I
I Single mode optical fiber
I
I Output divergence (half angle @ l/e-)
10.09 rad
I
LASER CLASS:
NOTE: As the TUNICS-OM is a Class IIIb product (21 CFR Subchapter J), it has a
Remote Interlock Connector where a remote ONIOFF switch can be connected.
The principle of this function is that if the interlock circuit is open, the output is set
to the off state. The output may be turned on again by simply pressing the offlon
switch, after corrective action is taken (if needed) (Refer to the Appendix
D).
Standard
IEC 60825-1
2 1 CFR Subchapter J
ABSOLUTE MAXIMUM RATINGS:
Laser Class
Class 3A
Class lllb
I I
Power (P6 option) 15 mW I 15 mW I
TUNICS model
Wavelength range
(nm)
Power (standard)
TUNICS-OM 1540
1500-1570
10 mW
Power (PI0 option)
TUNICS-OM 1560
1530-1600
10
mW
20 mW
20 mW
I
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A
WARNING: The use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.
WARNING: Under no circumstances look into the end of an optical cable
attached to the optical output when the device is operational. The
laser radiation is not visible to the human eye, but it can seriously
damage your eyesight. Keep the beam cap on after use to avoid
laser radiation.
C--
WARNING: Disable the laser output before connecting, or disconnecting, a
fiber optic cable on the instrument.
VENTILATION OF THE UNIT:
CAUTION:
You must leave enough space under and behind the unit. The
apertures (under the unit) and the fan (behind the unit) are used
for the inside ventilation. Actually the air enter through these
apertures and goes out through the fan.
This product is designed so that the feet should leave
enough room under the unit to enable the ventilation.
As a
result if you want to integrate the unit in a rack you need to keep
the feet or leave at least
15rnrn (0.6 inches) between the two
units.
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POWER SOURCE:
WARNING: - TUNICS is intended to operate from a power source that does
not apply more than
265 volts RMS between the supply
conductors or between either supply conductor and ground.
- TUNICS has a chassis connected to earth via the power supply
cable.
A protective ground connection by way of the grounding
conductor in the power cord is essential for safe operation.
- To avoid the possibility of injury, insert the power cable only
into a socket outlet provided with a protective earth contact.
Before switching on the instrument, check that the electrical
installation fulfills the local safety requirements.
- Use only the power cord and connector specified for your
product. Thispower cord should be in good condition.
WARNING: DO NOT OPERATEWITHOUT COVERS: To avoid personal
injury, do not operate this product without covers or panels
installed.
WARNING: USE THE PROPER FUSE: To avoid fire hazard, use
fuse or correct type, voltage rating and current rating as
in the Appendix B.
WARNING: ENVIRONMENTAL CONDITIONS:
- TUNICS has not been designed for outdoor use.
only the
specified
- To avoid the possibility of injury, do not expose the instrument
to rain or excessive moisture.
- Do not operate the instrument in the presence of flammable
gases or fumes.
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INTRODUCTION
TUNICS-OM is a compact and modular manually-tunable source for use in multi-
wavelength test systems.
Up to 8 TUNICS-OM modules can be plugged into a single
19" instrument.
TUNING CHARACTERISTICS:
Wavelength range
P = 0 dBm(')
P = 6 d~m(~)
P = 10 d~m(~)
Tuning repeatability (typical)
Wavelength setting resolution
Tuning speed
Wavelength stability (long term)(4)
(5)
Wavelength setting (multi-turn knob)
TUNICS-OM 1540
LASER OUTPUT CHARACTERISTICS:
TUNICS-OM 1560
1520-1600nm
1540-1590nm
1540-1580nm
10 s (70 nm)
16 nmlturn
Power stability (P
= 0 dBm, 1 hour)
I fO.O1 dB I
('1 +3 dBm peak output power
(*) P6 option (High output power)
(3) PI0 option (High output power)
(4) Measured with 0 dBm output power
(5) Over 1 hour at constant temperature
Side mode suppression ratio
RIN
Signal to source spontaneous emission ratio(6)
(6) ASE-noise-free option (90 dB signal to source spontaneous-emission ratio measured in a 0.1 nm
bandwidth at
5 nm from the signal. Not compatible with P10 option)
>45 dB
> 145 dB1Hz
>90 dB
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I. DESCRIPTION OF THE INSTRUMENT
1.1. Description of the front panel
Front panel ofu 8-n1odzde TUNICS-OM ruck
On the TUNICS-OM mainframe:
Enable key Key used to enable or disable every modules plugged in
the TUNICS mainframe (enlightened when the modules
are enabled).
ON/OFF key
Enlightened when the mainframe is powered.
On the TUNICS-OM module:
Enable key
Key used to enable or disable the module plugged in the
mainframe (enlightened when the module is enabled).
POWER knob
The optical power is controlled by a single turn knob.
The TUNICS-OM works in an automatic-power control
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mode, meaning that the current is adjusted to deliver the
required power.
NOTE: It is possible in the "constant power" mode that
the required power cannot be obtained even with the
maximum allowed current. In such a case, the current is
limited to its maximum value and the optical power is
lower than the user-set power value. In this case, the red
indicator
"Lim" is lightened.
Each TUNICS-OM module is calibrated with a calibration
curve gving the actual power versus position of the
single-turn knob. The calibration curves used are delivered
with the TUNICS-OM mainframe.
WA VELENGTH knob The wavelength is changed via a multi-turn knob.
Although mechanical protections limits the range of the
wavelength, it is strongly recommended to control the
actual wavelength on a spectrum analyzer when changing
the wavelength. Each TUNICS-OM module is calibrated
with a calibration curve giving the actual wavelength
versus position of the multi-turn knob. The calibration
curves used are delivered with the TUNICS-OM
mainframe.
Mod. connector Modulation input. The electrical signal input on this
connector directly modulates the laser diode chip. Please
refer to the
111.1 section.
OPTICAL OUTPUT The optical output is available on a FCJAPC optical
connector output connector. Connections of other type of
connectors may damage the output connector, and
strongly reduce the performance of the system.
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