1550nm Ultra-narrow Linewidth Single-Frequency Laser module （FL-1）
Features
- Ultra-narrow linewidth (<3 kHz)
- Central wavelength 1550 nm, or other C&L-band wavelengths
- High optical power output and good wavelength stability
- Compact size and low power dissipation
- Easy to set-up and operate
Applications
- Fiber optical sensing: DAS,DVS,BOTDR etc
- LiDAR and industrial metrology
- Optical measurements and instrumentation
Specifications
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit |
| Central Wavelength | lc | CW | 1550 nm or customized in C-band | |||
| Linewidth (Lorentzian) | FWHM | CW | 3 | kHz | ||
| Fiber Power Output | Pf | CW | 20 | 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 | To | CW | -10 | 60 | ºC | |
| Storage Temperature | Ts | -40 | 85 | ºC | ||
| Operating Humidity | % | CW | 5 | 85 | ||
Lorentzian Linewidth (2kHz)
Mechanical structure
| Dimensions | L×W×H=85×47×14mm |
| Fiber Type | PMF |
| Fiber Connector | FC/APC |
| Communication Interface & Power Supply | Mini-DB9 for RS232 & DC5V/2A |
| Safety Control | Interlock |
Warnings
- Make sure to wear protective goggles while operating as high-power laser could be harmful to eyes.
- Nearby operators should wear protective goggles to avoid harms from the reflection of the laser.
- Smart Technology reserves the right to modify this document without notice.
Ordering Information
| Wavelength | Power | Line width | Fiber type | Fiber connector | Dimensions | |
| SM-SCLNL | 1550=1550nm | 20=20mW | 3k=3kHz | PM=PMF SM=SMF | FA=FC/APC FU=FC/UPC | M1=85×47×14mm |
