1270nm DFB Butterfly Laser Diodes 14-Pin SM Fiber or PM Fiber
[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
[Specification]
DFB Butterfly Laser's Wavelength: 1270nm
Output Power: 5mW~20mW(Choose)
Modulation Mode:CW(Default) /2.5GHz /...
RIN: < -140 dB/Hz
Linewidth: 3 MHz
Fiber Type: single-mode fiber(Default) / PMF(Polarization maintaining fiber) /SMF-28e/...
Pigtail Type:250μm Bare optical fiber (Default)/0.9mm Loose casing /0.9mm Tight casing /...
Pigtail Length: 0.5m(Default)/1.0m/1.5m/2.0m/2.5m/3.0m/1.25m/1.75m/2.25m/...
Connect Type: FC/APC
[Features]
DFB Butterfly Laser
Direct Modulated MQW DFB Laser Module;
Built-in Isolator, TEC, Thermistor and Monitor PD;
Temperature control Pigtailed Laser series;
Low threshold current,High slope efficiency;
Hermetically sealed 14 Pin Butterfly PackageModule;
Dense packing, laser welding technology, high reliability, high stability.
[Applications]
Optical fiber communication
Test Equipments（Light source、OTDR）
Optical fiber gas sensor（Light source）
Absolute Maximum Ratings：
| Parameter |
Symbol |
Value |
Unit |
| LD Forward Current |
If(LD) |
120 |
mA |
| LD Reverse Voltage |
Vr(LD) |
2 |
V |
| Monitor Current |
If(PD) |
2 |
mA |
| Monitor Voltage |
Vr(PD) |
20 |
V |
| TEC Current |
ITEC |
2.4 |
A |
| TEC Voltage |
VTEC |
2.9 |
V |
| Operating Temperature |
Topr |
-20～+70 |
℃ |
| Storage Temperature |
Tstg |
-40～+85 |
℃ |
| Lead Soldering Temperature/Time |
Tsld |
260/10 |
℃/s |
Electrical/Optical Characteristics (Tc=25℃, unless otherwise noted)
| Parameter |
Symbol |
Min |
Typ. |
Max |
Unit |
Condition |
| Output Power from Fiber End |
P0 |
10 |
15 |
|
mW |
Iop=80mA |
| Threshold Current |
Ith |
|
12 |
18 |
mA |
CW |
| Operationg Voltage |
Vo |
|
1.1 |
1.2 |
V |
If =IOP |
| Spectral Width（20dB） |
Δλ |
|
0.2 |
0.3 |
nm |
CW，IOP =80mA |
| Central Wavelength |
λc |
CW-2 |
CW |
CW+2 |
nm |
IOP =80mA |
| Wavelength Drift with Temperature Change |
Δλ/T |
|
0.1 |
|
nm/℃ |
Stable Operating Current |
| Wavelength Drift with Current Change |
Δλ/I |
|
0.01 |
|
nm/mA |
Stable Operating Temperature |
| Monitor Current |
Im |
0.1 |
|
1 |
mA |
If =IOP |
| PD Dark Current (MPD) |
Id |
|
|
10 |
nA |
If =I |
| Side Mode Suppression Ratio |
SMSR |
35 |
|
|
dB |
|
| Chip operating temperature |
T |
|
25 |
|
℃ |
|
| Thermistor Resistance |
R |
|
10 |
|
KΩ |
|
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