PLX Michelson Interferometers and Retroreflector instruments are permanently aligned so you will never need to adjust it and also lasts indefinitely. They offer superb optical stability and unsurpassed shock and vibration resistance.
MICHELSON INTERFEROMETERS AND RETROREFLECTOR INSTRUMENTS
Rugged construction and permanent alignment make the PLX monolithic interferometers suitable for your most demanding FTIR analyzer applications.
Using PLX's Monolithic Optical Structure TechnologyTM (M.O.S.T.TM).