What are you looking for in Stock?
Optical flats are used for testing gauge blocks. Optical flats are also used in interferometers and high quality flat optical mirror and window sub-straights for laser applications.
Knight Optical offers a range of stock optical flats in both single-sided optical flats and dual faced optical flats in two materials, Zerodur and Quartz offering different stability and surface quality. Zerodur and Quartz optical flats are also available in three grades, lambda/4, lambda/8 and lambda/16 to meet all applications.
All optical flats are tested on our Zygo Verifire XPZ interferometer system fitted with the latest Mx® software. Optical flats are supplied certified in a quality wooden box.
Knight Optical also offer a rework and calibration service for optical flats, please enquire.
- Quartz optical flats
- Zerodur optical flats
- Monochromatic light units
- Optical flat reconditioning and certification