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Filters

Longpass Filter

            Longpass filters are designed to have a sharp transition from reflection to transmission, making them ideal for various applications. Available in a variety of cut-on wavelengths, these filters are designed for fluorescence,order sorting applications, and Display. Eliminate stray light by creating custom bandpass filters when combined with shortpass filters . A single layer AR coating on the back surface enhances the overall efficiency of each filter.


All filters are available in 12.7, 25.4, and 50.8mm diameters, or requested dimension.


Common Specifications:

· Transmission (%): >93

· Surface Quality: 40-20

· Optical Density OD: ≥4.0

· Substrate: H-K9L, UV Grade Fused Silica or requested


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