870nm bandpass filter

870nm / 880nm band-pass filter is suitable for high-precision optical instruments, infrared page turning, remote control, infrared ink recognition, automatic Zhitong equipment, biometrics, iris recognition and other instruments

980nm filter
Technical parameters
Items Parameters
Center wavelength 870nm+-2nm
Incident angle
Half peak bandwidth 30nm
Peak transmittance > 90% (according to customer demand)
Product size 3mm-80mm (customizable)
Cut off wavelength 200nm-1100nm (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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