Standard and precision quality laser windows made from high quality UVFS and N-BK7 optical materials. Laser Windows chapter includes uncoated windows with dia from 12.5 to 101.6 mm and thickness from 1 to 15 mm. Also we offer uncoated rectangular windows with aperture from 15 x 20 to 50.8 x 50.8 mm and thickness from 2 to 10 mm. Other specific material, size and anti-reflection (AR) coated windows are available under custom request. Most of the windows are available ex-stock for fast off-the-shelf delivery.