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Optical Bandpass Filters are used to selectively transmit a portion of the spectrum while rejecting all other wavelengths. Optical Bandpass Filters are ideal for a variety of applications, such as fluorescence microscopy, spectroscopy, clinical chemistry, or imaging. These filters are typically used in the life science, industrial, or R&D industries.
Edmund Optics offers a wide variety of Optical Bandpass Filters in a range of bandwidth options. Laser-Line filters typically have narrow bandwidths of 2 – 5nm for demanding laser applications. Fluorescence Filters, which have been designed to maximize the energy of the excitation and emission bands, typically have broad bandwidths of 20 – 70nm. Edmund Optics’ 10nm filters are ideal for chemical, environmental, or elemental analysis. Hard coated filters, designed using an Advanced Plasma Reactive Sputtering (APRS) platform, offer maximum performance with exceptional durability. Traditionally coated evaporated filters are cost-sensitive alternatives. Optical Bandpass Filters are angular sensitive, so care should be taken when mounting or integrating into an optical system.