820nm long wave pass filter

820nm long wave pass filter is mainly used in beauty instruments, police multi band detection instruments, strong light flashlight, stage light color film, face recognition attendance instrument, optical instruments, optical fiber lighting, gold halogen lamp heat insulation sheet and cold light source display cabinet.

820nm filter
Technical parameters
Items Parameters
Center wavelength 820nm+-3nm
Incident angle
Transmission wavelength 825nm-1100nm
Peak transmittance > 90% (according to customer demand)
Product size 3mm-80mm (customizable)
Cut off wavelength 400nm-800nm (according to the customer requirements)
Cut off depth >OD4-OD6 UV-NIR
Product material optical grade glass (K9, BK7, B270, d263t, JGS1, color glass, float glass, etc.)
Surface quality national standard grade III /American Standard 60-40
spectral curve

In addition, We can customize the optical filters according to customer requirements or drawings.

For details, please consult:

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