890nm bandpass filter

890nm bandpass filter can be used for infrared touch screen, iris recognition, infrared medical instruments, infrared ink recognition, red film recognition, face recognition sensor system, safety detection equipment, handheld infrared laser rangefinder, laser rangefinder, optical instruments, printing detection equipment, medical and health equipment and detection instruments

640nm narrowband filter
Technical parameters
Items Parameters
Center wavelength 890nm+-5nm
Incident angle
Half peak bandwidth 48nm
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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