990nm shortwave pass filter

990nm short wave pass filter, also known as 990nm low wave pass filter, is used in digital image, medical detection instrument, stage lighting system, fingerprint recognition application, beauty instrument, face recognition attendance instrument and iris recognition system.

low wavepass filter manufacturer
Technical parameters
Items Parameters
Center wavelength 990nm+-5nm
Incident angle
Transmission wavelength 350-985nm
Peak transmittance > 90% (according to customer demand)
Product size 3mm-80mm (customizable)
Cut off wavelength 990-1100nm (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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