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BP-635nm Bandpass Filter

BP-635nm Bandpass Filter, The bandpass filter professionally produced by WDQOPTICS has the characteristics of wide-band pass, multi-bandpass, wide cut-off band, and good film thickness.

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Description

BP-635nm Bandpass Filter
The bandpass filter professionally produced by WDQOPTICS has the characteristics of wide-band pass, multi bandpass, wide cut-off band, and good film thickness. We define the products with the peak bandwidth of the central wavelength greater than 20nm as a band-pass polarizer and adopt the multi-layer hard film coating technology to supplement the luminous flux and specific band coexistence requirements expected by customers in the middle of the product use process, It can strictly control the starting and ending wavelength range of transmitted light, and the products are produced according to the index needs of customers.

BP-635nm Bandpass Filter Specification

Half bandwidth:	25nm
Center wavelength:	635nm +5nm
Bandwidth:	20nm~200nm
Transmittance	T=90%
Product size:	2nm ~ 80nm (specifications can be customized according to customer requirements)
Cut off depth	OD3~OD6
Substrate:	K9, BK7, B270, d263t, Corning, fused quartz, colored glass
Surface finish:	National standard level III, MIL-STD Standard 40-20

Bandpass filter refers to the filter that cuts off other interference light when a specific light wave passes through. According to the bandwidth of the bandpass filter, it can be divided into the narrowband filter, bandpass filter, and wideband pass filter. According to the working wavelength, it can be divided into the ultraviolet band-pass filter, visible band-pass filter, infrared band-pass filter, and so on. The band-pass filter produced by WDQ OPTICS is mainly used in a fluorescence microscopes, optical instrument, red laser rangefinders, and other fields.

Filters are mainly used in the following fields:
Environmental protection detection, medical equipment, stage lighting, fluorescence analyzer, enzyme marker, cable TV upgrade equipment, wireless transmission equipment, mobile phone bar code scanning, infrared electronic whiteboard, infrared camera, infrared touch screen, iris recognition, infrared medical instrument, infrared ink recognition, red film recognition and face recognition sensor system. Hand-held infrared laser rangefinder, laser rangefinder, optical instrument, testing instrument.

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