1540±0.50nm 20mw DFB Butterfly Laser Diodes 14-Pin SM Fiber or PM Fiber
WSLS with DFB LD chip, wavelength 1540±0.50nm, power ≥20mW, 14-pin butterfly package built-in optical isolator and thermoelectric cooler, 1.00±0.10m polarization-maintaining optical fiber pigtail with 900um loose tube, FC/APC connector.
[Features]
1. Power and spectral stability
2. Special line width
3. 14-Pin butterfly package
4. SM or PM fiber output
5. Wavelength, power can be customized
[Appliciation]
1. Fiber sensing
2. Helium fiber laser
3. Nonlinear fiber optics
4. DWDM optical fiber communication system
Electrical Character
| Parameter |
Symbol |
Test Condition |
Min |
Typ. |
Max |
Unit |
| Peak Optical Output Power |
Pp |
|
20 |
|
|
mW |
| Threshold Current |
Ith |
CW |
|
14 |
25 |
mA |
| Driving Current |
|
Po=20mW |
|
|
120 |
mA |
| Laser Forward Voltage |
Vlf |
Po=20mW |
|
1.7 |
2.0 |
V |
| Laser Operating Temperature |
Tld |
|
15 |
|
35 |
℃ |
| Monitor Reverse Voltage |
VRMON |
|
3 |
5 |
10 |
V |
| Monitor Current |
IRMON |
Po=20mW |
0.1 |
|
2 |
mA |
| Monitor Dark Current |
ID |
IF=0mA,VRMON=5V |
|
0.01 |
0.1 |
µA |
| Input Resistance |
ZIN |
|
|
25 |
|
Ω |
| Thermistor Current |
ITC |
|
10 |
|
100 |
µA |
| Thermistor Resistance |
RTH |
TL =25℃ |
9.5 |
|
10.5 |
kΩ |
| TEC Current |
ITEC |
TL =25℃, Taround =70℃ |
|
|
1.2 |
A |
| TEC Voltage |
VTEC |
TL =25℃, Taround =70℃ |
|
|
3.5 |
V |
Fiber & Connector
| Parameter |
Symbol |
Description |
Min |
Typ. |
Max |
Unit |
| Pigtail length |
L |
SM or PM Fiber |
0.9 |
|
1.1 |
m |
| Connector Type |
|
FC/APC |
|
|
|
|
Optical Character(LD chip @25℃)
| Parameter |
Symbol |
Test Conditions |
Min |
Typ. |
Max |
Unit |
| Center Wavelength |
λC |
TL=15～35℃
CW |
1539.5 |
1540 |
1540.5 |
nm |
| Linewidth |
LW |
CW 5mW |
|
3 |
|
MHz |
| Bandwidth（@-3dB） |
BW |
5mW, -3dB |
2.5 |
|
|
GHz |
| Relative Intensity Noise |
RIN |
5mW,50MHz-2.5GHz |
|
-140 |
|
dB/Hz |
| Side-mode Suppression Ratio |
SMSR |
CW |
35 |
42 |
|
dB |
| Polarization Extinction Ratio |
ER |
IF=30mA |
18 |
23 |
|
dB |
| Optical Isolation |
|
0℃～70℃ |
20 |
|
40 |
dB |
| Wavelength Drift |
|
25℃ |
|
|
±0.1 |
nm |
| Temperature Coefficient |
dλ/dT |
|
|
0.09 |
|
nm/℃ |
| Dynamic Spectral Width |
△λ |
2.5GHz, @-20dB |
|
0.22 |
|
nm |
Note: This product is made to order product, and it usually takes us 4 weeks to complete the production.
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