CoLIS-HP Series1550nm Long-Pulse Single-Frequency PM Fiber Laser (Long-Range Integrated Version) CoLIS-1550-M-SF-HP
The integrated Shanghai Hanyu CoLIS-HP series1550nm nanosecond long-pulse single-frequency PM fiber laser is a modular pulsed fiber laser for long-range coherent Doppler wind lidar. Its100ns–1us long-pulse operation uses an eye-safe wavelength and true single-mode, linearly polarized output, with single-pulse energies up to the300uJ level. A proprietary single-frequency, narrow-linewidth seed laser provides linewidths down to the kHz level. Cascaded acousto-optic modulators (AOMs) generate pulses with a high off-state rejection ratio and extinction ratios above100dB. An all-PM-fiber design provides high polarization extinction ratio (PER). A high-power three-port optical circulator can be integrated at the power output as required.
Overview
Specifications
| Parameter | Value |
|---|---|
| Center Wavelength | min:1548 nm; typical:1550 nm; max:1552 nm |
| Operating Mode | Pulsed |
| Seed Laser Linewidth | typical:5 kHz |
| Pulse Width (Half Width) | min:100 ns; max:1000 ns |
| Pulse Repetition Rate | min:5 kHz; typical:10 kHz; max:20 kHz |
| Pulse Energy (600ns/10kHz) | typical:300 µJ |
| Average Power | typical:3 W |
| Polarization Extinction Ratio | typical:18 dB |
| AOM Frequency Shift | typical:80 MHz |
| AOM Off-State Extinction Ratio | min:100 dB |
| Electro-Optic Delay | typical:1000 ns |
| Output Optical Isolation | min:30 dB |
| Output Power Stability | typical:±0.5 %; max:±1 % |
| Output Fiber Type | PLMA-GDF-25/300 |
| Output Fiber Length | min:0.3 m; typical:0.4 m |
| Output Fiber Interface Type | FC/APC |
| Communication Control Interface | RS232 |
| Synchronization Signal Output | SMA,Standard TTL Level |
| Operating Voltage [DC] | +12~+24 V |
| Total Power Consumption | <75 W |
| Operating Temperature Range | min:-40 ℃; max:+60 ℃ |
| Storage Temperature Range | min:-40 ℃; max:+85 ℃ |
| Internally Integrated Signal Source | YES |
| Internally Integrated2x2 Coupler | YES |
| Dimensions | 200(L)x200(W)x50(H) |
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