Integrated Frequency Stabilization Laser Source (Fre-Lock & Shift)

The Fre-Lock & Shift integrated narrow-linewidth laser source combines:

  • Frequency-lock module
  • Frequency-shift module (optional)
  • Narrow-linewidth laser
  • Photodetector and control electronics

It supports:

  • Molecular absorption line locking
  • PDH locking
  • Automatic frequency stabilization
  • Long-term frequency drift compensation

Performance Highlights

  • Frequency stability improved using multi-loop feedback
  •  Long-term drift <1 MHz
  • Allan deviation ~9.8 × 10⁻¹¹ @10 s
  • Stable operation over >8000 hours

Integrated Source Technical Parameters

Key Specifications
  • Output wavelength: 1064 nm
  • Output power: >15 mW
  • Operation mode: Continuous wave (CW)
  • Linewidth: <1 MHz
  • Frequency stability (RMS): <1 MHz @24 h, ΔT=3°C
  • Relative intensity noise: < –140 dB/Hz @10 MHz
  • Locking point: Iodine absorption line
  • Power supply: DC 12V
  • Dimensions: 360 × 335 × 200 mm