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LWIR Bandpass Filters

Photonics Spectra
May 2010
Deposition Sciences Inc. (DSI)Request Info
Deposition Sciences Inc. provides long-wavelength infrared (LWIR) bandpass filters that operate at temperatures between ambient and 10 K. The thin-film coatings are manufactured via proprietary physical vapor deposition with the ion-assist process, making them durable and robust. They feature precise band edge placement for critical sensing applications. The filters are suitable for use in imaging sensor filters, order-sorting filters, thermal and/or night vision tasks, and forward-looking infrared optics. Substrates including germanium, silicon, zinc sulfide, zinc selenide, quartz, sapphire and polymers are available, depending upon the customer’s wavelength requirements. Multispectral filters can be provided when multiple filters are needed on a single substrate. Sizes from a few millimeters to >50.8 mm in diameter can be provided.


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band edge placementbandpassbandpass filterscoatingsDeposition SciencesdiameterFiltersforward-looking infrared opticsgermaniumimgaging sensor filtersinfraredion-assistlong-wavelength infraredLWIRmultispectral filterNew Productsnight visionopticalopticspolymerquartzsapphiresensingSensors & Detectorssiliconsubstratethermalthin filmvapor depositionwavelengthzinc selenidezinc sulfide

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