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Shortpass Filters

  • Sharp Cut-off Wavelength
  • High Transmission / Rejection Efficiency
  • Precision Fused Silica Substrate

Our TECHSPEC® Shortpass filters are designed to have a very sharp transition from transmission to reflection, making them extremely useful in a number of applications. Available in a variety of cut-off wavelengths, they are ideal for fluorescence applications, separating spectral orders, and creating custom, efficient bandpass filters when combined with our longpass filters. With an average transmission of 85% and a blocking optical density of 2.0, excellent contrast can be achieved in machine vision and gauging applications. A single layer AR coating on the back surface enhances the overall efficiency of each filter.

Common Specifications

Cut-Off Tolerance (%):
±2
Transmission (%):
>85
Surface Quality:
40-20
Optical Density OD:
≥2.0
Substrate:
UV Grade Fused Silica

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