Zinc Selenide (ZnSe) is used for Infrared windows, lenses, mirrors and prisms between 0.5 microns and 22 microns. ZnSe is a widely used in the Forward Looking IR Systems (FLIR).
MPF Products, Inc. does not approve the use of ultrasonic cleaning for any viewport. We ship our viewports UHV ready. You may simply blow off the glass to remove any contaminants with clean, dry air. For additional cleaning steps for particulates or contamination from other processes, please review our cleaning procedures at https://mpfpi.wpengine.com/resources/category/uhv-viewport-cleaning-notes/.
Bake-Out Ramp Rate: 20°C per Minute