Dual Wavelength IR / Visible 
Fizeau Interferometers

 

 
3.39 micron / 632.8 nm wavelength

IR and Visible beams collinear (switchable)
2 Helium-Neon Lasers
Phase shifting
Durango Software
Live interferogram on monitor
Computer and monitor
2-spot alignment
4X Zoom lenses standard for IR and Visible

 1.55 micron  / 632.8 nm wavelength

IR and Visible beams collinear (switchable)
Laser Diode for IR
Helium-Neon for Visible
Phase shifting
Durango Software
Live interferogram on monitor
Computer and monitor
2-spot alignment
Single 4X Zoom lens for both IR and Visible

 1.06 micron / 632.8 nm wavelength

IR and Visible beams collinear (switchable)
Neodymium:YAG Laser for IR, 
He-Ne for Visible
Phase shifting
Durango Software
Live interferogram on monitor
Computer and Monitor
2-spot alignment
Single 4X zoom lens for both IR and visible
MODEL 339irVIS      4-INCH APERTURE MODEL 155irVIS      4-INCH APERTURE MODEL 106irVIS      4-INCH APERTURE
MODEL 6339irVIS     6-INCH APERTURE MODEL 6155irVIS    6-INCH APERTURE MODEL 6106irVIS     6-INCH APERTURE
HOME VISIBLE WAVELENGTH FIZEAUS HOW PHASE WORKS
ADVANTAGES OF DUAL WAVELENGTH INTERFEROMETERS