Less 3kHz Ultra-narrow Line-width 1550nmالليزر الليفي DFB CW 30mw~50mw SM PM Fiber
The single-frequency narrow linewidth fiber laser adopts the rare-earth-doped fiber DFB laser cavity structure, and the output wavelength is 1550nm single longitudinal mode laser, the spectral linewidth is less than 3kHz, and the output spectral side mode suppression ratio exceeds 60dB. Module or desktop packaging is available. It is an ideal laser source for distributed sensing and other applications.
[سمات]
Spectral linewidth ≤ 3KHz.
All-fiber DFB resonator.
Wavelength stability without mode hopping.
[التطبيقات]
Laser radar
Acoustic sensor, hydrophone
Fiber optic distributed sensing
[تخصيص]
| Parameter |
Unit |
Typical Value |
Remarks |
| Wavelength |
nm |
1550±0.5nm |
1545~1560nm customizable |
| عرض خطي طيفي |
kHz |
<3 |
|
| Sideband Suppression Ratio |
dB |
>50 |
|
| Wavelength Instability |
MHz |
≤±25 |
|
| انتاج الطاقة |
mW |
30/50 |
Choose |
| Short-term Stability (15 minutes) |
dB |
≤ ±0.02 |
|
| Long-term Stability (8 hours) |
dB |
≤ ±0.05 |
|
| Pigtail Type |
|
SMF-28e / PM1550 |
Choose |
| Pigtail Connector Type |
|
FC/APC |
|
|
Electrical and Environmental Parameters
|
نوع الوحدة
|
|
Control Method
|
RS232 serial communication
|
|
Communication Interface
|
DB9 Female
|
|
مزود الطاقة
|
5V DC, <15W
|
|
Size
|
125(W)×150(D)×30(H)mm
|
|
درجة حرارة التشغيل Range
|
-5~+55°C
|
|
Operating Humidity Range
|
0~70%
|
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