Jiangxi Ootee Optics Co., Ltd. has become a precise optical filter manufacturer with efficient management team, excellent photoelectric engineering R&D personnel and good after-sales service system. 

• Custom sizes and densities are available upon request.

• Substrate Material	Schott BG-39 or equivalent
  Dimensions	50mm Square ±0.2mm
  Thickness	1mm ±0.2mm
  Bevel	45°
  Edge Finish	Ground
  Surface Quality (SQ)	80-50 Scratch & Dig
  Clear Aperture (CA)	90%
  Blocking	< 1 x 10-3
  Surface Flatness	n/a
  Transmitted Wavefront Error (TWE)	< 2 Waves Per 25mm
  Parallelism	< 2 Arc Minutes
  Index of Refraction (IOR)	n/a
  Wavelength	See Graph
  Transmission	See Graph
  Operating Temperature	Up to 250° C