680nm long wave pass filter

680nm long wave pass filter is 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 insulation, cold light source display cabinet, digital image applications, etc.

650nm long wave pass filter product features:

1. Imported optical glass base material has high transmittance, good finish, small thickness tolerance, good flatness and other optical characteristics.

2. The vacuum ion evaporation coating process imported from Japan is adopted, which has the characteristics of high film firmness, uniform cut-off depth, accurate center wave positioning, long service life of filter and so on.

3. Shenzhen Nahong photoelectric can be produced by professional manufacturers, and the professional optical engineering team ensures the stability and consistency of products, quality assurance, and timely delivery. Welcome to inquire.

550nm dichroic filters
Technical parameters
Items Parameters
Center wavelength 680nm±3@T=50%
Incident angle
Transmission wavelength 700nm-1100nm
Peak transmittance > 94% (according to customer demand)
Product size 3mm-80mm (customizable)
Cut off wavelength 350nm-670nm (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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