2-inch Fizeau Phase Shifter

Our new 2-inch Fizeau Phase Shifter provides a simple and cost-effective method of adding Durango phase measuring capability to any 2-inch Fizeau interferometer.

• Attaches without tools to standard 2-inch bayonet
• Uses your interferometer’s existing tilt/tip knobs
• Adds only 34 mm to interferometer length
• Monolithic flexure design provides high stiffness
• Spring loaded twist-and-snap bayonet accepts standard Fizeau accessories
• Low voltage (0-100 volt, 5.4 µF ± 20%)
• Nominal scale factor is 150 nm per volt (4.7 fringes at +10 V for 633 nm wavelength)
• Works in any orientation
• LEMO-to-LEMO coaxial cable (3-meter).
• Pricing

Our Fizeau Phase Shifter may be driven directly (without voltage amplifier) by a National Instruments NI-DAQ device. For long wavelength phase shifting, we offer a 10X voltage amplifier.