UV Fused Silica Short Pass Optical Filter
This short pass optical filter is designed to transmit shorter wavelengths while effectively blocking longer wavelengths, offering sharp spectral cutoff and stable performance for spectroscopy and imaging applications.
Material :
UV Fused SilicaDimension Tolerance :
+0.0 / -0.1 mmThickness Tolerance :
2 mm ± 0.2 mmCenter Wavelength Tolerance :
±1%Wavefront Error :
λ/4 @ 633 nmCentral Wavelength Tolerance :
±1%Parallelism :
< 30 arc secondsSurface Quality :
40/20 – 60/40Clear Aperture :
> 90%
Product Description
The UV fused silica short pass filter utilizes multilayer interference coating technology to achieve precise wavelength separation. By transmitting light below the cutoff wavelength and suppressing longer wavelengths, this short pass filter delivers reliable optical performance in demanding analytical and scientific environments.
Performance Advantages
Sharp cutoff slope for accurate wavelength discrimination
High transmission in the passband region
UV fused silica substrate with excellent optical uniformity
Low wavefront distortion suitable for imaging systems
Stable performance at normal (0°) angle of incidence
Application Range
This short pass optical filter is widely used in fluorescence excitation spectroscopy, Raman spectroscopy systems, optical spectral separation, astronomical observation, and precision analytical instruments.
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diyiye.com
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