Home / Products / Laboratory Equipment / Light / Lasers / ZFA-V-635 – Diode Laser at 635 nm

ZFA-V-635 – Diode Laser at 635 nm

The ZFA-V-635 long coherent length diode laser at 635 nm is a high-precision continuous-wave (CW) laser source designed for advanced scientific research, optical metrology, and industrial applications requiring exceptional coherence and wavelength stability. With a coherent length exceeding 1 meter and excellent beam quality, this laser provides superior performance for interference-based measurements and precision optical instrumentation. The ZFA-V-635 laser provides excellent power stability down to <1% RMS over 4 hours, ensuring reliable and repeatable measurements. With a robust design, long operational lifetime of 10,000 hours, and compact form factor, it is suitable for integration into laboratory instruments, OEM systems, and industrial optical platforms.

Contact Us for a Quote
Features
  • Long coherent length exceeding 1 meter for interferometry and holography
  • Stable wavelength at 635 nm ±5 nm for reliable measurements
  • Output power options from 1 mW to 30 mW
  • Near TEM00 mode for superior Gaussian beam profile
  • Excellent beam quality with M² factor <1.5
  • High power stability down to <1% RMS over 4 hours
  • Low beam divergence (<1.5 mrad) for precise optical alignment
  • High polarization ratio >50:1 (optional >100
Applications
  • Holography and interferometry
  • Raman spectroscopy
  • Fluorescence excitation and microscopy
  • Flow cytometry
  • DNA sequencing systems
  • Laser radar and optical sensing
  • Precision metrology and measurement
  • Optical alignment and calibration
  • Scientific instrumentation
Specifications
Parameter Specification
Model ZFA-V-635
Central wavelength 635 ± 5 nm
Operating mode Continuous Wave (CW)
Output power >1 mW up to 30 mW
Power stability (RMS, 4 hours) <3%, <2%, <1%
Transverse mode Near TEM00
Coherent length >1 meter
Beam quality (M² factor) <1.5
Beam diameter at aperture ~2.0 mm
Beam divergence (full angle) <1.5 mrad
Polarization ratio >50:1 (>100:1 optional)
Polarization orientation Horizontal ±5° (Vertical optional)
Warm-up time <5 minutes
Beam height from base plate 30 mm
Operating temperature 20 °C to 30 °C
Power supply QDI-S-F (100-240 VAC)
Expected lifetime 10,000 hours
Warranty 1 year