CMOS IR Filter Reduces Infrared Wavelengths

Deposition Sciences (DSI) has introduced the CMOS IR Filter, which reduces the infrared (IR) wavelengths and transmits the visible wavelengths in camera applications. Because CMOS sensors are particularly sensitive to unwanted IR wavelengths, DSI's improved CMOS IR Filter is designed to block up to 99.5 per cent of the IR radiation while transmitting more than 85 per cent of the visible.

The improvement in the new infrared filter is critical to CMOS imaging systems that require an effective, stable and uniform IR reduction. The optical thin-film coating can be applied to glass as thin as 0.003in, which can be used as an encapsulating cover glass for devices being flooded with damaging environmental infrared. The advancement in DSI's new IR Filter can significantly improve the signal-to-noise ratio in visible CMOS imaging systems that are subject to unwanted IR radiation.

It is ideal for use in camera applications where it is critical that IR radiation is blocked, so as to reduce the effects of extraneous light and improve clarity and contrast in the imagery. DSI's proprietary Microdyn sputtering technology yields high-performance CMOS IR Filters. This highly durable, uniform coating is extremely stable over temperature and humidity changes.

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