1550nm 3kHz 200mW SOA Laser Module | High Power for DAS/Fiber Sensing
1550nm ultra-narrow linewidth laser module (≤3kHz) integrated with SOA for 200mW high power output. Ultra-low RIN, excellent SMSR, ideal for long-distance DAS, oil & gas sensing, LiDAR and industrial metrology.
Model： unl-1550nm-3k-200mw
Dongz
Email: Sales@wxgphotonics.com
This high-power laser module integrates a 3kHz ultra-narrow linewidth laser with an SOA (Semiconductor Optical Amplifier) to deliver a stable 200mW optical power output. Featuring ultra-low RIN, excellent SMSR, and reliable wavelength stability, it is the optimal light source for long-distance distributed fiber optic sensing (DAS), oil & gas exploration sensing, high-performance LiDAR and industrial metrology applications. Customizable C&L-band wavelengths are available for diverse industrial needs.
1.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
2.Applications
- Fiber optical sensing: acoustic & seismic interferometric sensing, Oil & Gas – exploration and production
- LiDAR and industrial metrology
- Optical measurements and instrumentation
3.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)
4.Mechanical Diagram
5.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 |
6.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.
