Short-Pass Filters

Featured Product from Daheng New Epoch Technology, Inc.

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Optical Short-pass Filters are coated on a substrate of fused silica, which allows the transmission of any wavelength shorter than the cut-off wavelength and block any wavelength longer than the cut-off.
 
  • Substrate:                             Fused silica
  • Dimension Tolerance:           +0/-0.2
  • Thickness:                            4+/-0.2
  • Parallelism:                           <3‘
  • Flatness:                              λ/4
  • Surface Quality:                   40-20 scratch-dig

GCC-211 Short-Pass Filters

Part No.

Transmission Band

Blocking Band

Cut-off Wavelength

λT=80%-λT=10%

Diameter

GCC-211002

400-630 nm

675-850 nm

650 nm

9 nm

ø25.4

GCC-211004

400-820 nm

910-1110 nm

850 nm

17 nm

ø25.4

GCC-211005

450-910 nm

1025-1235 nm

950 nm

20 nm

ø25.4

 

  • Clear Aperture:                    90% Diameter
  • Transmission:                      T≥85%
  • Blocking:                              T≤1%