Precision Optical Flats & Laser Windows

OPTOStokes is the optical filter brand at Optofilters.com, supplying stock and custom-coated filters for UV, VIS, NIR and IR applications.

Email

sales@optofilters.com

Tel

+852-98828942

85298828942

Quartz Crystal Optical Window | λ/10 Flatness,<3 Arcsec P

2026-06-29

High-precision quartz crystal optical window with λ/10 wavefront and <3 arcsec parallelism. Ideal for laser and imaging systems. Request OPTOStokes precision...

Large Aperture Laser Flat Windows | λ/20 Precision, φ620mm M

2026-01-23

Specification-grade laser flat windows by OPTOStokes. Featuring λ/20 flatness, <1 arcsec parallelism, and 20/10 surface quality. Available in Quartz/K9 up to...