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Bandpass Filters

Bandpass Filters are used to selectively transmit a portion of the spectrum while rejecting all other wavelengths. Yutai Optics offers a wide variety of Bandpass Filters in a range of bandwidth options for ultraviolet (UV), visible (VIS), or infrared (IR) applications. 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.
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   Yutai Optics’ 10nm filters are ideal for chemical, environmental, or elemental analysis. Hard coated filters offer maximum performance with exceptional durability. Traditionally coated evaporated filters are cost-sensitive alternatives. Bandpass Filters are angular sensitive, so care should be taken when mounting or integrating into an optical system. For convenience, many of our filters are also available in kits.
    Yutai Optics can achieve Blocking OD6 filters for some fluorescence system. Narrow Bandpass Filters with CWL 450nm/670nm/720nm/890nm/905nm/1064nm, FWHM 8-30nm are hot sale from Yutai Optics. 

Specifications:
Materials: BK7 optical glass or fused silica etc.
Diameter Tolerance: +/-0.5mm
Thickness : 0.5-6mm
Surface Quality: 60-40/80-50
Peak Transmission: 90%/80%/70%/60%/50%/40% 
Clear Aperture > 90% of diameter filters
Coating: Bandpass filter coating Specified by customers

Bandpass Filters are ideal for a variety of applications:
Fluorescence microscopy;
Spectroscopy;
Clinical chemistry;
Imaging industrial;
Life science;
Biomedical analyzer;
R&D industries.
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