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  • 785 nm Raman Short-pass Edge Filter

    MP-SPF-785 is a 785 nm short-pass edge filter, designed to provide a cost-effective solution for Raman spectroscopy applications. It offers high transmittance over a broad spectral range from 350 to 758.2 nm, while providing deep blocking from 780 nm to 1200 nm, making it ideal for effectively blocking laser scattering signals in Raman spectroscopy measurements.

    Product features:Dual‑band high transmittance;Deep laser line blocking;Steep cut‑off edge;Standard 25 mm outer diameter

    Part Number:MP-SPF-785

    Application area:Raman spectroscopy analysis | Laser line blocking | Broad spectral transmittance | Scientific research and laboratory equipment

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    Main parameters
  • Core parameters
  • Laser Wavelength Transmission Band

    785 nm Tavg > 80 % 350–400 nm

  • Dimension Drawing
  • General Parameters

    Specification

    Value

    Laser Wavelength

    785 nm

    Transmission Band

    Tavg > 80 %  350–400 nm

    Transmission Band

    Tavg > 93 %  400–758.2 nm

    Blocking Band

    ODabs > 6  780.0–948.0 nm

    Blocking Band

    ODavg > 3  948 – 1200 nm

    Edge Steepness

    0.015

    Edge Steepness

    189.5 cm-1

    Edge Steepness

    Standard (for Raman)

    Edge Steepness

    11.7

    Edge Wavelength

    765.5 nm

    Transition Width

    19.5 nm

    Transition Width

    313 cm-1

    Angle of Incidence

    0 ± 2°

    Cone Half-angle

    Clear Aperture

    22 mm

    Transverse Dimensions, Diameter

    25 mm

    Filter Thickness, Mounted

    3.5 mm

    Filter Thickness Tolerance, Mounted

    ± 0.1 mm

    Filter Thickness, Unmounted

    2.0 mm

    Filter Thickness Tolerance, Unmounted

    ± 0.1 mm

    Surface Quality (Scratch-Dig)

    60-40

    Filter Effective Index

    1.73

    Optical Damage Rating

    Not tested

    Orientation

    Arrow on ring is preferred direction of propagation of light

     

    Spectral Characteristic Curves

     

    Transmittance-Wavelength Spectrum

    图片2.png 

     

     

    Optical Density Spectrum

    图片3.png


    Optional Configurations

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    Downloads

    Request for Quotation

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  • Product title: 785 nm Raman Short-pass Edge Filter
  • Product link: https://www.idealphotonics.com/product/detail/1678.html
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