Ultra-narrow Linewidth (1KHz) Single Frequency Fiber Laser
The laser adopts a proprietary traveling wave cavity design, with unique frequency stabilization technology, so that the laser maintains a single longitudinal mode, ultra-low relative intensity noise and phase noise high-performance stable output.
Description
Product Description
The laser adopts a proprietary traveling wave cavity design, with unique frequency stabilization technology, so that the laser maintains a single longitudinal mode, ultra-low relative intensity noise and phase noise high-performance stable output, the module adopts a proprietary anti-vibration and noise reduction design, with a stable low-noise control circuit to ensure the laser high-performance stable operation.
Features
● Spectral linewidth less than 1 kHz
● High edge-mode rejection ratio
● High frequency stability, no mode jumping
● Low relative intensity noise
Applications
● Distributed fiber optic sensing
● Coherent optical communication
● Fiber optic hydrophone
● LIDAR
Performance Parameter
|
Indicators |
Unit |
Typical value |
|
Central wavelength range |
nm |
1540~1560 available |
|
Signal-to-noise ratio |
dB |
> 60 |
|
Output power |
mW |
20 |
|
polarization state |
- |
|
|
Polarization extinction ratio |
dB |
> 25 |
|
Polarization |
- |
0.99 |
|
Spectral line width |
kHz |
1kHz |
|
Frequency instability |
MHz |
<20 (15min) <100 (long-term) |
|
Relative intensity noise @>1MHz |
dB/Hz |
<-140dB/Hz@1MHz |
|
Phase noise |
dB |
< -130 |
|
Power instability @>3h |
- |
<1% |
|
Output fiber type |
- |
|
|
Electricity supply |
- |
DC 5V |
|
Product size |
mm |
120x80x25(Module) |
|
296x260x89(Desktop) |
||
Ordering Information
|
UNFSRL |
Wavelength(nm) |
Output power(mW) |
Output Fiber |
Connector type |
Module size |
|
1550 |
30 20 10 |
SMF: Single-mode fiber random polarization output PMF: Polarization-protected fiber, line bias output |
FC/APC |
M4: 120x80x25 B=Benchtop
|
Example: UNFSRL – 1550-20-PMF-FC/APC-M4
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