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Broadband Ultra-Low-Noise Single-Frequency Fiber Laser

Broadband Ultra-Low-Noise Single-Frequency Fiber Laser

The broadband ultra-low-noise single-frequency fiber laser is designed based on a distributed Bragg reflector (DBR) resonator architecture, combined with multidimensional active and passive suppression techniques, achieving ultra-low relative intensity noise output across a wide bandwidth. This product not only provides narrow-linewidth single-frequency output but also features high power stability and low intensity noise, making it particularly suitable for high-precision coherent detection, distributed fiber sensing, precision interferometry, and other applications with extremely stringent noise requirements.

Product Features

  • Ultra-Low Noise Performance
  • Wideband Tunable Output
  • Advanced Noise Suppression Technology

Typical Applications

  • High-Precision Coherent Detection
  • Distributed Fiber Sensing
  • Precision Interferometric Measurement
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Technical ParameterUnitSpecification
MinTypicalMax
Central Wavelengthnm 1064 
Laser Mode/–Single Longitudinal Mode, Continuous Wave–
Output PowerW0.050.35
LinewidthkHz–1–
Optical Signal-to-Noise RatiodB–>60–
Relative Intensity NoiseRIN level @ 100Hz~10GHz<-150 dB/Hz
RIN level @ 10MHz<-160 dB/Hz
Frequency NoiseHz²/Hz@1kHz<100
Output Power Adjustment%30-100
Polarization Type/Linear Polarization
Polarization Extinction RatiodB 20 
Beam Quality/M²<1.2
Operating VoltageVAC220
Operating Temperature℃-20 50
Storage Temperature℃-45 80
Output Fiber Type/PM980
Output Fiber Lengthm0.6
Power ConsumptionW100
Output Fiber Connector/FC/APC, other options available
Dimensionsmm733 (L) × 481 (W) × 157 (H)

The broadband ultra-low-noise single-frequency fiber laser is designed based on a distributed Bragg reflector (DBR) resonator architecture, combined with multidimensional active and passive suppression techniques, achieving ultra-low relative intensity noise output across a wide bandwidth. This product not only provides narrow-linewidth single-frequency output but also features high power stability and low intensity noise, making it particularly suitable for high-precision coherent detection, distributed fiber sensing, precision interferometry, and other applications with extremely stringent noise requirements.

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