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2m窄线宽激光器EP2000-DM-B Series
EP2000-DM-B是一个性价比高 窄线宽，高度相干的激光光?类似于DFB形式?*技术， 即：ridge waveguide technology and epistructure design is used to deliver an InP-based strained quantum-well laser diode source emitting at a wavelength of 2.0m with high SMSR. The Discrete Mode laser diode chip is packaged in an industry standard hermetically sealed 14 pin butterfly package with integrated optical isolator thermo-electric cooler (TEC) monitor photodiode and thermistor.
Key Features |
Applications |
Excellent reliability |
High performance gas sensing |
Mode-Hop free tuning >2nm |
Seed Laser |
Integrated optical isolator |
|
Narrow linewidth <2MHz |
Optical and electrical characteristics:(T = 25C)
PARAMETER |
SYMBOL |
MIN |
TYP |
MAX |
UNIT |
LASER DIODE |
|||||
Output Power in Fibre |
Pf |
1.5 |
1.75 |
2 |
mW |
Centre Wavelength |
cen |
1950 |
2001 |
2150 |
nm |
Threshold Current |
Ith |
- |
20 |
40 |
mA |
Operating Current |
Iop |
- |
70 |
120 |
mA |
Forward Voltage |
Vf |
- |
1.3 |
1.6 |
V |
Side Mode Suppression Ratio |
SMSR |
30 |
40 |
- |
dB |
Temperature Tuning Coefficient |
- |
0.1 |
- |
nm/K |
|
Current Tuning Coefficient |
- |
0.01 |
- |
nm/mA |
|
Quantum Efficiency |
0.02 |
0.03 |
- |
mW/mA |
|
Optical Isolation |
ISO |
40 |
- |
dB |
|
MONITOR DIODE* |
|||||
Monitor Photo Current |
Im |
0.2 |
0.4 |
0.8 |
mA |
Monitor Operating Voltage |
Vm |
- |
- |
5.5 |
V |
Monitor Dark Current (at 5V VDR) |
Imd |
- |
- |
< 0.2 |
A |
Absolute Maximum Ratings (Tsub= 25C)
Parameter |
Symbol |
Ratings |
Units |
Laser diode reverse voltage |
VR |
2 |
V |
Laser diode forward current |
IF |
120 |
mA |
Photodiode reverse voltage |
VDR |
20 |
V |
Peltier current |
IP |
1.2 |
A |
Operating case temperature |
Tcase |
-20 to 65 |
C |
Storage temperature |
Tstg |
-40 to 85 |
C |
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