1550nm Ultra-narrow Line-width 200mW Single-Frequency Laser Module
Description：This laser module integrates a 3k narrow linewidth laser with an SOA, delivering 200mW of optical power output. It is suitable for use in distributed fiber optic sensing (DAS) applications.
Applications： Fiber Optic Sensing Lidar
Tags：Narrow Linewidth Laser 200mW Laser
Wavelength：1550nm
Output Power：200mW
Model：unl-1550nm-3k-200mw
Dongz
Email: Sales@wxgphotonics.com
Key Features
- Ultra-narrow linewidth (≤3 kHz)
- High output power ( ~200mW ）
- Central wavelength 1550 nm, or other C&L-band wavelengths
- High output optical power and good wavelength stability
- Low power dissipation
- Ultra-low RIN, excellent SMSR
Applications
- Fiber optical sensing: acoustic & seismic interferometric sensing, Oil & Gas – exploration and production
- LiDAR and industrial metrology
- Optical measurements and instrumentation
Specifications
Parameters and performance
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| Central Wavelength | λc | CW | 1550 nm or customized in C-band | |||
| Linewidth (Lorentzian) | FWHM | CW | 3 | kHz | ||
| Fiber Output Power | Pf | CW | 200 | mW | ||
| Side Mode Suppression | SMSR | CW | 60 | dB | ||
| Polarization Extinction Ratio | PER | CW | 20 | dB | ||
| Random Intensity Noise | RIN | CW | -145 | dB/Hz | ||
| Optical Isolation | ISO | CW | 50 | dB | ||
| Operating Temperature | T₀ | CW | -20 | 60 | C | |
| Storage Temperature | Ts | -40 | 85 | C | ||
| Operating Humidity | % | CW | 5 | 85 | ||
Lorentzian Linewidth (2.66665 kHz)
Mechanical Diagram
Interface connector DB9
| 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|
| POWER +5V | RS232 TX | RS232 RX | NC | POWER GNDSMA GNDRS232 GND |
| 6 | 7 | 8 | 9 |
|---|---|---|---|
| NC | NC | NC | NC |
Structure parameters
| Items | Parameter Configuration | Unit |
|---|---|---|
| External Dimension | L×W×H=101.80×57.20×12.80 | mm |
| Optical fiber type | SMF/PMF | |
| Connector | FC/APC | |
| Power supply | DC 5V/3A | |
| Data interface | DB9 | |
| Safety control | Interlock |
Warnings
- Make sure to wear protective goggles while operating as high-power laser could beharmful to eyes.
- Nearby operators should wear protective goggles to avoid harms from the reflection of the laser.
