625nm Narrow Band Filter

625nm narrow band filter with half bandwidth of 10nm is a very important optical component in optical applications and laser technology, especially in semiconductor lasers. In a certain band, there is only a small pass band with high transmittance in the middle, and there are high reflectivity cut-off bands on both sides of the pass band. This kind of narrow-band filter is collectively referred to as band-pass filter. The main function is to select the spectrum of light, so that the required light passes through and the light of unnecessary wavelength is cut off. At present, as an optical component for filtering and selecting spectral lines, band-pass filter has a wide range of applications.

670nm filter
Technical parameters
Items Parameters
Center wavelength 625nm+-2nm
Half peak bandwidth 10nm
Peak transmittance > 90% (according to customer demand)
Product size 3mm-80mm (customizable)
Incident angle
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 semiconductor lasers filters according to customer requirements or drawings.

For details, please consult:

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