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Notch filters are widely used in optical components in the fields of spectral detection and fluorescence imaging because of a special optical thin film structure that efficiently blocks specific narrow-band wavelength rays and allows high transmission of other wavelengths of light to achieve spectral separation and stray light elimination.
Glass notch filter
Product Overview:
Notch filter is an optical element that can selectively and greatly attenuate the optical signal in a specific wavelength range, and let the rest of the wavelength light pass through smoothly to achieve optical signal separation, purification and background noise suppression.
Scope of Use:
(1) spectral analysis;
(2) fluorescence detection;
(3) laser systems.
Product parameters | |||||
Materials | Optical glass, UVFS, Si, etc | ||||
Size | 1-200mm | ||||
Surface type | 2λ to λ/10 @632.8nm | ||||
Effective clear aperture | 90% | ||||
Finish | 80/50 to 40/20 S/D | ||||
Optical density | OD1 to OD6 | ||||
Coating | Upon Request |
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