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  • 860 nm Narrow Bandpass Optical Filter

    The MP-NBP-860 is a high-performance narrow bandpass filter designed specifically for the 860 nm wavelength region. Manufactured using advanced multilayer dielectric coating technology, it achieves an average transmittance greater than 93 % over the 854.5-865.5 nm band, while providing high optical density blocking for out-of-band light, effectively suppressing stray light interference. The product features excellent spectral selectivity, narrow bandwidth, high blocking depth, and good optical power resistance. It is widely used in fluorescence detection, Raman spectroscopy, near-infrared imaging, laser systems, machine vision, and scientific research applications.

    Product features:Centre wavelength approximately 860 nm; Average transmittance > 93 %;Narrow bandpass design;Guaranteed minimum bandwidth of 11 nm;FWHM: 20.5 nm;Excellent optical power resistance

    Part Number:MP‑NBP‑860

    Application area:Emission filters in fluorescence microscopy | Raman spectroscopy systems | Laser detection systems | Optical communication experiments | Precision scientific optical systems

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    Main parameters
  • Core parameters
  • Laser Wavelength Transmission Band

    860 nm Tavg > 93% 854.5–865.5 nm

  • Dimension Drawing
  • General Parameters

    Specification

    Value

    Transmission Band

    Tavg > 93%  854.5–865.5 nm

    Blocking Band

    ODavg > 5  300 – 832 nm

    Blocking Band

    ODavg >6  490 – 685nm

    Blocking Band

    ODavg >8  685 – 810 nm

    Blocking Band

    ODavg >5  890 – 1050 nm

    FWHM Bandwidth

    20.5nm

    Guaranteed Minimum Bandwidth

    11 nm

    Angle of Incidence

    0 ± 5°

    Cone Half-angle

    Clear Aperture

    ≥21mm

    Transverse Dimensions, Diameter

    25 mm

    Filter Thickness, Mounted

    5.0 mm

    Filter Thickness Tolerance, Mounted

    ±0.1mm

    Filter Thickness, Unmounted

    2.0 mm

    Filter Thickness Tolerance, Unmounted

    ±0.1mm

    Surface Quality (Scratch-Dig)

    60-40

    Filter Effective Index

    2.06

    Optical Damage Rating

    Testing has proven to show no signs of degradation when exposed to at least 6.0 W of power from an unfiltered xenon arc lamp over a 25 mm diameter (corresponding to 1.2 W/cm2) for over 500 hrs.

    Orientation

    Arrow on ring is preferred direction of propagation of light

     

    Spectral Characteristic Curves

     

    Transmittance-Wavelength Spectrum

    图片1.png 

     

     

    Optical Density Spectrum

     图片2.png


    Optional Configurations

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    Downloads

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  • Product title: 860 nm Narrow Bandpass Optical Filter
  • Product link: https://www.idealphotonics.com/product/detail/1689.html
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