Hz-Class Ultranarrow-Linewidth Single-Frequency Fiber Laser
The 25Hz ultra-narrow-linewidth single-frequency fiber laser is a high-performance source designed around ultra-narrow linewidth, stable single-frequency operation and low noise. It is mainly used in precision measurement, coherent communications and cold-atom physics.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Center wavelength | 1550 nm |
| Optical Wave Mode | Single longitudinal mode , CW |
| Output Power | 50 mW |
| Linewidth | <25 Hz |
| Optical signal-to-noise ratio | ≥50 dB |
| Frequency Noise [@10Hz] | 5000 Hz²/Hz |
| Frequency Noise [@100Hz] | 1000 Hz²/Hz |
| Frequency Noise [@1kHz] | 100 Hz²/Hz |
| Frequency Noise [@10kHz] | 15 Hz²/Hz |
| Output Power Stability (P-P) | ≤0.5 % |
| Output Power adjustment | 10-100 % |
| Wavelength Thermal Tuning Range | 200 pm |
| Polarization type | Linear polarization |
| Polarization Extinction ratio | >23 dB |
| Beam quality M² | M²<1.1 |
| Operating voltage | 5/12 VDC |
| Operating temperature | Min ：-20 °C； Max ：50 °C |
| Storage temperature | Min ：-45 °C； Max ：80 °C |
| Output Fiber Type | PM1550 |
| Output Fiber Length | 0.6, customizable |
| Output Fiber connector | FC/APC, Other optional |
| Specifications Dimensions | 175(L)*140(W)*25(H) |
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