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Precision Short-Pass Filters: Ultra-Sharp Cut-Off

Featured Product from Daheng New Epoch Technology, Inc.

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Daheng New Epoch Technology, Inc. introduces GCC-211 Short-Pass Filters, renowned for their ultra-sharp cut-off wavelength. Crafted on fused silica substrates, these filters offer exceptional transmission of wavelengths shorter than the cut-off while effectively blocking longer wavelengths. Here's why GCC-211 filters excel:

Key Features:

  • Ultra-Sharp Cut-Off: Delivers precise cut-off wavelength, ensuring unmatched optical precision.
  • Wide Range of Configurations: Available in multiple configurations to accommodate diverse wavelength requirements.
  • High Transmission Efficiency: Guarantees T≥85% transmission, minimizing loss of desired wavelengths.
  • Superior Blocking Performance: Achieves T≤1% blocking, effectively filtering out unwanted longer wavelengths.
  • Robust Construction: Constructed on fused silica substrates with stringent dimensional tolerances for durability and stability.
  • Versatile Applications: Ideal for fluorescence microscopy, spectrophotometry, laser systems, and more, offering precise optical control across various fields.


  • Substrate: Fused silica
  • Dimension Tolerance: +0/-0.2
  • Thickness: 4+/-0.2
  • Parallelism: <3‘
  • Flatness: λ/4
  • Surface Quality: 40-20 scratch-dig
  • Clear Aperture: 90% Diameter

Experience the epitome of optical precision with Daheng New Epoch Technology, Inc.'s GCC-211 Short-Pass Filters. Designed for engineers who demand perfection, these filters ensure precise transmission and blocking, empowering you with unparalleled control over light manipulation.