![](https://img.alicdn.com/imgextra/i4/2200715954818/O1CN01Qb0hQH1lSgmVEAk8b_!!2200715954818.jpg)
Optical index:
Transmission band: 650nm-1100nm
Lowest transmittance: T>90%
Center wavelength: 640nm±3
Cut-off band: 400nm-630nm
Cut-off depth: T<0.1%
Product material: Quartz, Corning, Schott, colored glass(The base material can be selected according to customer requirements)
Product size: 68*15*1.1mm, 32*12*1.1mm, 80*80*1.1mm, 86*86*1.1mm(Any size can be customized)
Application areas:
Beauty equipment, multi-band detection equipment, strong light flashlight, stage lighting color film, face recognition attendance device, optical equipment, fiber optic lighting, gold halide lamp heat insulation film, cold light source display cabinet.
Spectral graph:
![](https://img.alicdn.com/imgextra/i4/2200715954818/O1CN01nTHUAt1lSglHgNa2C_!!2200715954818.jpg)