Schott's 1mm thin band-pass filter VG20 that shows strong absorption in the near infrared (NIR) range is now available.

Schott Advanced Optics has released an improved version of its LASF35 glass (nd = 2.02204; vd = 29.06). In doing so, Schott is optimising its line of glasses that feature high refractive indexes in extreme regions of the Abbe diagram.