1550nm Single-Frequency Polarization-Maintaining Long-Pulse Fiber Laser
The 1550nm fiber laser amplifies narrow-linewidth pulses using MOPA. Carefully configured multistage amplification suppresses stimulated Brillouin scattering for high single-pulse energy. Efficiency optimization provides high beam quality and low power consumption. Compact layout and thermal management offer a wide operating temperature range, low power consumption and small size for Doppler wind lidar, weather monitoring and 3D imaging.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Operating wavelength | Typical :1548.68nm; Measured value : 1548.68nm |
| Seed Linewidth | Max :5kHz |
| Local Oscillator Optical Power | Min :0.7mW； Typical :1mW； Max :1.5mW; Measured value : 1.14/1.13mW |
| Frequency shift | Typical :80MHz |
| Repetition rate | Min :10kHz； Typical :10kHz； Max :10kHz; Measured value : 10kHz |
| Pulse width | Min :180ns； Typical :200ns； Max :220ns; Measured value : 215ns |
| Pulse width | Min :270ns； Typical :300ns； Max :330ns; Measured value : 318ns |
| Pulse width | Min :360ns； Typical :400ns； Max :440ns; Measured value : 433ns |
| Single-pulse energy @200ns | Min :80uJ； Typical :90uJ； Max :100uJ; Measured value : 96uJ |
| Single-pulse energy @300ns | Min :120uJ； Typical :135uJ； Max :150uJ; Measured value : 132uJ |
| Single-pulse energy @400ns | Min :160uJ； Typical :180uJ； Max :200uJ; Measured value : 174uJ |
| Power stability [RMS] | Max :3%(RMS) |
| Polarization Extinction ratio | Typical :18dB; Measured value : 18dB |
| Side-Mode Suppression Ratio | Min :45dB； Max :60dB; Measured value : 48.6dB |
| Pulse Extinction ratio | Min :80dB； Max :100dB |
| Beam quality M² | Maximum Value:1.5 |
Datasheet
Supplier Information
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