1550nm 3mW DFB Diode Fiber Laser Single-Mode Coaxial Laser Diode
[Features]
MQW-DFB, High reliable
Single mode
Good high temperature characteristic
High side-mode-suppression ratio (typical>35dB)
Built-in monitor PD
Low threshold/operate current
Metal can type hermetic
[Applications]
Optical Sensing
Optical communication
Industrial automatic control
Science analysis and experiment
Test and Measurement Equipment
Absolute maximum ratings:
| Parameter |
Symbol |
Value |
Unit |
| Operating temperature |
Top |
-40～+85 |
℃ |
| Storage temperature |
Tstg |
-40～+100 |
℃ |
| Laser diode Reverse voltage |
Vr |
2 |
V |
| Soldering temperature(time) |
Ts |
260/10 |
℃/S |
Electrical and optical characteristics:(T=25℃)
| Parameter |
Symbol |
Min |
Typ. |
Max |
Unit |
| Center wavelength |
λ |
1530 |
1550 |
1570 |
nm |
| Threshold Current |
Ith |
|
10 |
15 |
mA |
| Operating Current |
Iop |
|
35 |
40 |
mA |
| Operating Voltage |
Vop |
|
1.2 |
1.5 |
V |
| Output power(from fiber) |
P |
0.5 |
2 |
4 |
V |
| Spectral width |
Δλ |
|
0.3 |
1 |
nm |
| Side mode suppression ratio |
SMSR |
35 |
40 |
|
dB |
| Wavelength/Temp. Coefficient |
Δλ/ΔT |
|
0.1 |
|
nm/℃ |
| Rise/ Fall time |
Tr/Tf(Ith+20mA) |
|
0.3 |
0.7 |
ns |
| Monitoring Output Current |
Im (Ith+20mA) |
0.1 |
0.7 |
|
mA |
| Monitor Dark current |
Id(Vr=5V) |
|
|
100 |
nA |
| Monitor Capacitance |
C (Vr=5V) |
|
10 |
|
pF |
| Optical Isolation(note1) |
Iso |
30 |
|
|
dB Single |
| 50 |
|
|
dB Double |
| package |
TO56 Can with SM fiber coupling or receptacle. |
Note:
(1) If the quantity you ordered is less than 10 or far more than 10, the sales price is different, Pleas contact us.
(2) Delivery time: We have a small amount of commonly used LD. When the quantity is large, it needs to be re-produced, generally 1 to 3 weeks, different models have different delivery cycles.
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