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        產品展示

        干涉濾光片

        They are extremely narrow band or linear variable transmittance across the substrate.They are a dispersion device that allows isolation of specific wavelength from input beam in 1 to 40nm of the half bandwidths (full width half maximum) by interference of multilayer coating. The extremely narrow FWHM enhances the spectral characteristics of a laser source or detector.They are usually multilayer of dielectrics and metals.

        Specifications

        Item                        
         Commercial
         High Precision
        Material: 
        Fused Silica; N-BK7 or others
        Dimension X×Y(φ):  
        1×1mm~25.4×25.4mm;φ3~φ25.4mm
        Dimension tolerance:
        ±0.1mm
          ±0.03mm
        Parallelism:
        <3′
        <30″
        Clear aperture:
        85%
        Surface quality:
        MIL20-10
        Flatness(per 25.4mm):
         λ/4@ 632.8nm
         λ/8@ 632.8nm
        FWHM:
         10 nm
        Wavelengths tolerance:
         ±2nm for 10nm FWHM 
        Coating:
        Specified by customer  
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