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Step edge filter
This type of step edge filter is used in situations where accurate processing of different wavelengths is required at the boundary, with deep attenuat
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Step edge filterCharacteristics: This typeStep edge filterUsed in situations where accurate processing of different wavelengths is required at the boundary, with deep attenuation of wavelengths on one side of the boundary and high transmission on the other side. Commonly used in Raman analysis and other applications.
Step edge filtercharacteristic:
Edge Steepness: <1%×laser wavelength
blocking density: OD 6 minimum @ laser wavelength
transmission passband: >1.4×laser wavelength
transmission: >90% Ave T%
temperature coefficient: <(4ppm ×center wavelength)/deg C
Step edge filtercharacteristic:
Edge Steepness: <1%×laser wavelength
blocking density: OD 6 minimum @ laser wavelength
transmission passband: >1.4×laser wavelength
transmission: >90% Ave T%
temperature coefficient: <(4ppm ×center wavelength)/deg C
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