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Category
    Diameter (mm)
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    Center Wavelength CWL (nm)
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    Optical Density OD
    Coating
    Full Width-Half Max FWHM (nm)
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    Transmission Wavelength (nm)

    Notch Filters

    Notch Filters are used in Raman spectroscopy, confocal or multi-photon microscopy, laser-based fluorescence instrumentation, or other life science applications. Notch Filters are Optical Filters that selectively reject a portion of the spectrum, while transmitting all other wavelengths. Notch Filters feature dielectric coatings to reflect laser wavelengths.

    Edmund Optics offers a wide variety of Optical Filters, including a range of Notch Filters. Edmund Optics’ Notch Filters feature OD 4 or OD 6 blocking, or multi-notch capability. OD 4 Notch Filters feature narrow rejection bands of just ±2.5% of the center wavelength, while offering greater than 99% reflection of the designated laser wavelength. OD 6 Notch Filters are used in applications that require deep blocking of a narrow wavelength range, while offering broad transmission of the other wavelengths. OD 6 Notch Filter applications include laser-based Raman spectroscopy, fluorescence, or for integration into life science systems. Multi-Notch Filters are for applications that require the rejection of multiple narrow bands without the use of a multi-filter setup.


    OD 6陷波濾光片
    • OD 6.0雷射波長阻隔
    • 穿透範圍大
    • 非常適用於雷射式Raman系統、螢光系統及生物醫學系統
    • OD 4 Notch Filters Also Available

    OD 4陷波濾光片
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    超薄陷波濾光片
    • 厚度約 250μm
    • 彈性結構及抗刮效果
    • 光譜形狀尖銳的擠壓薄膜

    適用於Nd:YAG雷射的OD 6多波陷波濾光片
    • 完整的OD6阻隔能力
    • 穿透率超過90%
    • 穿透範圍大(325 – 1200nm)

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