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    Bandpass & Notch Filters - Abrisa Technologies
    UVFS (Ultraviolet Fused Silica) notch filters are high-performance optical filters designed to block specific laser wavelengths (e.g., 355nm, 532nm, 1064nm) while transmitting adjacent UV, visible, or IR spectrums. They feature high transmission (>90%), steep edges, and high optical density (OD 4.0–6.0) for applications like Raman spectroscopy, laser fluorescence, and microscopy. 
    This video demonstrates how an optical notch filter works to block a specific wavelength:
    Related video thumbnail
    58s
    Optosigma
    YouTube • Jan 22, 2021
    Key Features and Specifications 
    • Material: Ultraviolet Fused Silica (UVFS) provides excellent transmission in the UV range and high laser damage thresholds.
    • Performance: Typically offer deep blocking (OD 6.0 or higher) at the target laser line while maintaining high transmission in adjacent bands.
    • Applications:
      • Raman Spectroscopy: Specifically, blocking the excitation laser wavelength while transmitting Stokes and anti-Stokes signals.
      • Fluorescence Microscopy/Imaging: Eliminating unwanted laser light.
      • Laser Line Filtering: Used for cleaning up, splitting, or rejecting specific wavelengths.
    • Construction: Often hard-coated to ensure durability and, in some cases, available in ultra-thin formats (e.g., 0.3mm) for compact, weight-sensitive systems.
    • Customization: Available at various center wavelengths (CWL) from the UV to the mid-IR. 
    Common examples include 25mm diameter UVFS filters tailored for 355nm or 1064nm, often with specialized coatings for maximum, stable performance. 
    • 14-771 25 mm Dia. OD 6.0 Ultra-Thin Notch Filter 1064nm - 3DOptix
      OD 6.0 Ultra-Thin Notch Filter 1064nm. The 14-771 is a 25 mm diameter, ultra-thin notch filter developed by Edmund Optics, specifi...
      3DOptix
    • NF-25C05-27-355 25 mm Dia. UVFS Notch Filter; t=5mm 355nm
      "Discover the OptoSigma NF-25C05-27-355 Notch Filter, a 25mm diameter UVFS filter centered at 355nm. Experience superior quality, ...
      3DOptix
    • ULTRA Series Notch Filters - Alluxa
      May 12, 2025 — Each hard-coated ULTRA Series optical notch filter is designed and rigorously tested to exceed the the most advanced system requir...
      alluxa.com
    • Notch Filters - Edmund Optics
      Notch Filters are used in Raman spectroscopy, confocal or multi-photon microscopy, laser-based fluorescence instrumentation, or ot...
      Edmund Optics
    • Everix Ultra-Thin OD 6 Notch Filter, 658nm, 12.5mm Diameter
      Certificate of Conformance: * Product Details. OD 6.0 Blocking at Laser Wavelengths from 405 to 1064nm. 300µm Maximum Thickness. F...
      Edmund Optics
    • UV Filters - Omega Optical
      UV Rejection Band (RB) or Notch Filters ... Notch filters are designed to reject specific wavelengths so the absorption properties...
      Omega Optical
    • Notch - Optical Filter Shop
      Notch Filter Features and Benefits Our PIXELTEQ notch filters deliver rich, saturated colors with exceptional stability in virtual...
      Optical Filter Shop
    • 14-771 25 mm Dia. OD 6.0 Ultra-Thin Notch Filter 1064nm - 3DOptix
      OD 6.0 Ultra-Thin Notch Filter 1064nm. The 14-771 is a 25 mm diameter, ultra-thin notch filter developed by Edmund Optics, specifi...
      3DOptix
    • NF-25C05-27-355 25 mm Dia. UVFS Notch Filter; t=5mm 355nm
      "Discover the OptoSigma NF-25C05-27-355 Notch Filter, a 25mm diameter UVFS filter centered at 355nm. Experience superior quality, ...
      3DOptix
    • ULTRA Series Notch Filters - Alluxa
      May 12, 2025 — Each hard-coated ULTRA Series optical notch filter is designed and rigorously tested to exceed the the most advanced system requir...
      alluxa.com
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    My Ad Center

    Notch Filters | Stop-Band Optical Filters


    EKSMA Optics
    https://eksmaoptics.com › optical-components › notch-fil...
    EKSMA Optics
    https://eksmaoptics.com › optical-components › notch-fil...
    OD 6.0 Notch filters for effective rejection of specific laser wavelengths. Thin-film optical stop-band filters feature high optical density (OD).
    Missing: UVFS ‎| Show results with: UVFS

    NF-25C05-27-355 25 mm Dia. UVFS Notch Filter; t=5mm ...


    3DOptix
    https://www.3doptix.com › optics › filter › optosigma
    3DOptix
    https://www.3doptix.com › optics › filter › optosigma
    OptoSigma's NF-25C05-27-355 is a notch filter with a 25 mm diameter and a thickness of 5mm, designed to optimally function at a wavelength of 355nm. This filter ...Read more

    Notch Optical Filters - Alluxa


    alluxa.com
    https://alluxa.com › optical-filters-category › notch
    alluxa.com
    https://alluxa.com › optical-filters-category › notch
    The deep blocking, tight wavelength control, steep edges, and wide-range transmission of ULTRA Series notch filters allow for precision blocking of lasers.Read more
    $1,408.00
    Missing: UVFS ‎| Show results with: UVFS

    What are notch filters? Learn more in this Semrock product ...


    IDEX Health & Science
    https://www.idex-hs.com › resources › resources-detail
    IDEX Health & Science
    https://www.idex-hs.com › resources › resources-detail
    Notch filters are ideal for applications that require nearly complete rejection of a laser line while passing as much non-laser light as possible.
    Missing: UVFS ‎| Show results with: UVFS

    Notch Filters


    Edmund Optics
    https://www.edmundoptics.com › notch-filters
    Edmund Optics
    https://www.edmundoptics.com › notch-filters
    Notch Filters are Optical Filters that selectively reject a portion of the spectrum, while transmitting all other wavelengths. Notch Filters feature dielectric ...Read more

    Notch Rejection Filters


    Chroma Technology Corp
    https://www.chroma.com › additional-filter-types › notch...
    Chroma Technology Corp
    https://www.chroma.com › additional-filter-types › notch...
    Listed price: Applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer ...Read more
    $495 to $825 · 2-day delivery

    EKSMA Optics Bandstop Filter - 246-2506-488


    MEETOPTICS
    https://www.meetoptics.com › ... › Dielectric Filters
    MEETOPTICS
    https://www.meetoptics.com › ... › Dielectric Filters
    OD 6.0 Notch Filters are designed to block specific laser wavelengths. While these optical filters reject a very narrow wavelength range (FWHM ±15-20 nm) ...Read more
    $495.00 · 30-day returns
    Missing: UVFS ‎| Show results with: UVFS

    Notch Filter


    Hyperion Optics
    https://www.hypoptics.com › Components › Filters
    Hyperion Optics
    https://www.hypoptics.com › Components › Filters
    The notch filter, in contrast to a narrow band filter, intercepts light in a particular wavelength range by transmitting light at most wavelengths.Read more

    Glass notch filter


    wts photonics co.,ltd
    https://www.wts-photonics.com › product › glass-notch...
    wts photonics co.,ltd
    https://www.wts-photonics.com › product › glass-notch...
    Notch filter is an optical element that can selectively and greatly attenuate the optical signal in a specific wavelength range, and let the rest of the ...Read more

    Notch Filter


    OptoSigma
    https://www.optosigma.com › dielectric-spectral-filters
    OptoSigma
    https://www.optosigma.com › dielectric-spectral-filters
    We offer 4 types of Notch Filter that cuts only a specific wavelength. Customization on outer diameter, wavelength characteristics, etc., are available.
    Missing: UVFS ‎| Show results with: UVFS
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