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ZFA-V-445 – Diode Laser at 445 nm

The ZFA-V-445 is a high-performance 445 nm CW diode laser designed for applications requiring long coherence length, excellent beam quality, and reliable long-term stability. With a coherence length exceeding 1 meter and a near TEM₀₀ transverse mode, this laser delivers precise interference capability and superior beam characteristics for advanced optical systems. This long coherent blue diode laser is widely used in interferometry, holography, Raman spectroscopy, fluorescence excitation, LIDAR systems, and precision metrology.

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Features
  • 445 ±5 nm stabilized blue wavelength
  • Long coherence length >1 m
  • Near TEM₀₀ transverse mode
  • Continuous Wave (CW) operation
  • Output power up to 30 mW
  • Excellent power stability (<1% RMS available)
  • Low beam divergence (<1.0 mrad)
Applications
  • Holography
  • Interferometry
  • Fluorescence analysis
  • Photolithography
  • Flow cytometry
  • DNA sequencing
  • Raman spectroscopy
  • Laser radar (LIDAR)
Specifications
Parameter Specification
Central Wavelength 445 ±5 nm
Operating Mode Continuous Wave (CW)
Output Power Options >1 mW, 2 mW, 3 mW … up to 30 mW
Power Stability (RMS, 4 hrs) <1%, <2%, <3%
Transverse Mode Near TEM₀₀
Coherence Length >1 m
Beam Diameter at Aperture (1/e²) ~3.5 mm
Beam Divergence (Full Angle) <1.0 mrad
Polarization Ratio >50:1 (>100:1 optional)
Polarization Direction Horizontal ±5° (Vertical optional)
Warm-Up Time <5 minutes
Beam Height from Base Plate 30 mm
Operating Temperature 20–30 °C
Power Supply QDI-S-F (100–240 VAC)
Expected Lifetime 10,000 hours
Warranty 1 year