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Notch Filters

Notch filters eliminate or block a range of wavelengths while transmitting both shorter and longer wavelengths outside of the blocked region. Thus, they provide the exact opposite functionality of a bandpass filter. If the filter is wideband, it is referred to as a band-rejection filter and if the filter is narrow-band, it is referred to as a notch filter. DSI’s optical thin films and patterns are custom-designed for specific applications. Our engineers work closely with customers to design the optimal combination of performance, delivery, and cost. Contact us today to discuss your next project.More products