Optical Flats, Optical Windows, Optics
K9 Single-Sided Optical Flat Crystal Diameter 152.4 ~ 304.8mm Thickness 25.4 / 38.1mm
2000 in stock
The9 Single-Sided Optical Flat Crystal has a diameter ranging from 152.4mm to 304.8mm, and a thickness of either 25.4mm or 38.1mm. This type of crystal is commonly used as a reference standard in interferometry, optical testing, and calibration of large aperture instruments. The crystal’s single-sided polishing and superior flatness make it ideal for measuring topographical features with nanometer resolution.