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Hz-Level Ultra-Narrow Linewidth Single-Frequency Fiber Laser

25 Hz ultra-narrow linewidth single-frequency fiber laser is a high-performance laser light source. Its core features focus on ultra-narrow linewidth, single-frequency stability, and low-noise design, and it is mainly used in fields such as precision measurement, coherent communication, and cold-atom physics.

Product Features

  • Ultra-Low Phase Noise
  • High Coherence with Ultra-Narrow Spectral Linewidth

Typical Applications

  • Precision Measurement

  • Coherent Communication

  • Cold Atom Physics

Category:

Technical Parameters Unit Specifications
Min Typical Max
Center Wavelength nm   1550  
Optical Mode / Single longitudinal mode, CW
Output Power mW   50  
Linewidth Hz   <25  
Optical Signal-to-Noise Ratio dB   ≥50  
Frequency Noise Hz²/Hz @ 10 Hz 5000
Hz²/Hz @ 100 Hz 1000
Hz²/Hz @ 1 kHz 100
Hz²/Hz @ 10 kHz 15
Output Power Stability (P-P) %   ≤0.5  
Output Power Adjustment %   10–100  
Wavelength Thermal Tuning Range pm   200  
Polarization Type / Linear polarization
Polarization Extinction Ratio dB   >23  
Beam Quality / M² < 1.1
Operating Voltage VDC 5 / 12
Operating Temperature -20   50
Storage Temperature -45   80
Output Fiber Type / PM1550
Output Fiber Length m 0.6, customizable
Output Fiber Connector / FC/APC, other options available
Dimensions mm 175 (L) × 140 (W) × 25 (H)

25 Hz ultra-narrow linewidth single-frequency fiber laser is a high-performance laser light source. Its core features focus on ultra-narrow linewidth, single-frequency stability, and low-noise design, and it is mainly used in fields such as precision measurement, coherent communication, and cold-atom physics.

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