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ZFA-R-642 Narrow Linewidth Diode Laser at 642 nm

The ZFA-R-642 is a high-precision narrow linewidth diode laser operating at 642 nm, designed for advanced scientific, analytical, and industrial applications requiring exceptional spectral purity and wavelength stability. This laser module provides excellent beam quality with Near TEM00 transverse mode and M² factor <1.5, ensuring precise beam focusing and optimal optical performance.

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Features
  • Narrow spectral linewidth <0.06 nm (optional <0.03 nm)
  • Output power up to 30 mW
  • Excellent power stability down to <1% rms
  • High beam quality Near TEM00 with M² <1.5
  • Continuous wave (CW) operation
  • High polarization ratio up to >100:1 (optional)
  • Long lifetime up to 10,000 hours
Applications
  • Raman spectroscopy
  • Fluorescence excitation and microscopy
  • High-resolution spectral analysis
  • Optical metrology and calibration
  • Quantum optics and photonics research
  • Biomedical and life sciences instrumentation
  • OEM integration in analytical and measurement systems
Specifications
Parameter Specification
Model ZFA-R-642
Central Wavelength 642 ± 5 nm
Operating Mode Continuous Wave (CW)
Output Power >1, 2, 3 … up to 30 mW
Spectral Linewidth <0.06 nm (<0.03 nm optional)
Power Stability (rms, 4 hours) <3%, <2%, <1%
Transverse Mode Near TEM00
M² Factor <1.5
Beam Diameter (1/e²) ~2.0 mm
Beam Divergence <1.5 mrad
Polarization Ratio >50:1 (>100:1 optional)
Polarization Direction Horizontal ±5° (Vertical optional)
Warm-up Time <5 minutes
Beam Height 30 mm
Operating Temperature 20 – 30 °C
Power Supply QDI-S-F (100–240 VAC)
Expected Lifetime 10,000 hours
Warranty 1 year