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400-1100nm Optical Glass Filters N-BK7 Reflective Neutral Density Filter

    Buy cheap 400-1100nm Optical Glass Filters N-BK7 Reflective Neutral Density Filter from wholesalers
     
    Buy cheap 400-1100nm Optical Glass Filters N-BK7 Reflective Neutral Density Filter from wholesalers
    • Buy cheap 400-1100nm Optical Glass Filters N-BK7 Reflective Neutral Density Filter from wholesalers

    400-1100nm Optical Glass Filters N-BK7 Reflective Neutral Density Filter

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    Brand Name : STAR OPTIC
    Model Number : NDF-R
    Certification : RoHS, ISO9001
    Price : Negotiable
    Payment Terms : T/T, Western Union, Paypal
    Supply Ability : 50000pcs/Month
    Delivery Time : Negotiable
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    400-1100nm Optical Glass Filters N-BK7 Reflective Neutral Density Filter

    Reflective Neutral Density (ND) Filter

    Overview:

    Reflective Neutral Density (ND) Filters provide uniform attenuation over the broad spectral range from 400 to 1100 nm.


    Reflective ND filters consist of an N-BK7 glass or UV fused silica substrate with a metal (Inconel) coating deposited on one side. Inconel is a metallic alloy that ensures flat spectral response from the UV to the near IR. To prolong the lifetime of reflective ND filters, we recommend using non-contact cleaning methods (such as compressed air) to prevent damage to the coating and avoiding the use of these filters in humid environments to prevent oxidation.


    Although these are reflective ND filters, the Inconel coating does absorb some of the incident light, which limits the use of these filters to low-power applications.


    To achieve the best performance, light should be incident on the side with the Inconel coating, this allows attenuation to occur before etalon effects occur within the filter's substrate.


    General Specifications Of Reflective Neutral Density (ND) Filter:

    MaterialBK7, UV Fused Silica
    Dimension Tolerance+0.0/-0.2mm
    Thickness Tolerance±0.2mm
    Surface Quality80/50 scratch and dig
    Clear Aperture>90%
    Flatness<2λ@632.8nm
    Parallelism<5 arc minutes
    ChamferProtective<0.5mmx45°
    CoatingMetallic (Inconel) reflective coating
    OD ToleranceOD±10%@Design Wavelength

    Standard Products Of Reflective Neutral Density (ND) Filter:

    PN.

    Dimension

    (mm)

    Thcikness

    (mm)

    OD

    Transmission

    (%)

    Design Wavelength

    (nm)

    RNDF25-0.1-400-110025.420.179400-1100nm
    RNDF25-0.2-400-110025.420.263400-1100nm
    RNDF25-0.3-400-110025.420.350400-1100nm
    RNDF25-0.4-400-110025.420.440400-1100nm
    RNDF25-0.5-400-110025.420.532400-1100nm
    RNDF25-0.8-400-110025.420.816400-1100nm
    RNDF25-1.0-400-110025.421.010400-1100nm
    RNDF25-2.0-400-110025.422.01400-1100nm
    RNDF25-3.0-400-110025.423.00.1400-1100nm
    RNDF25-4.0-400-110025.424.00.01400-1100nm

    Spectrum Graphs of Reflective Neutral Density (ND) Filter:


    400-1100nm Reflective ND filter OD0.1


    400-1100nm Reflective ND filter OD0.2


    400-1100nm Reflective ND filter OD0.3


    400-1100nm Reflective ND filter OD0.4


    400-1100nm Reflective ND filter OD0.5


    400-1100nm Reflective ND filter OD0.8


    400-1100nm Reflective ND filter OD1


    400-1100nm Reflective ND filter OD2


    400-1100nm Reflective ND filter OD3


    400-1100nm Reflective ND filter OD4


    Quality 400-1100nm Optical Glass Filters N-BK7 Reflective Neutral Density Filter for sale
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