seed laser pro

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

Technical ParametersUnitSpecifications
MinTypicalMax
Center Wavelengthnm 1550 
Optical Mode/Single longitudinal mode, CW
Output PowermW 50 
LinewidthHz <25 
Optical Signal-to-Noise RatiodB ≥50 
Frequency NoiseHz²/Hz @ 10 Hz5000
Hz²/Hz @ 100 Hz1000
Hz²/Hz @ 1 kHz100
Hz²/Hz @ 10 kHz15
Output Power Stability (P-P)% ≤0.5 
Output Power Adjustment% 10–100 
Wavelength Thermal Tuning Rangepm 200 
Polarization Type/Linear polarization
Polarization Extinction RatiodB >23 
Beam Quality/M² < 1.1
Operating VoltageVDC5 / 12
Operating Temperature-20 50
Storage Temperature-45 80
Output Fiber Type/PM1550
Output Fiber Lengthm0.6, customizable
Output Fiber Connector/FC/APC, other options available
Dimensionsmm175 (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.

Translate »