SWIR Filters From Midwest Optics Address the 700nm-2,000nm Imaging Range

April 1, 2019
Now the same types of Bandpass, Longpass, and Polarization techniques that control visible light are available to control SWIR (Short-Wave Infrared) Lighting. Bandpass and Longpass filters pass a specific range of wavelengths in the 700nm-2,000nm range. The Neutral Density and SWIR Polarizing Filters work in the 400nm-2,000nm range. SWIR polarizing film is available in cuttable sheets with and without adhesive backing, with sheet sizes from 2-inch X 2-inch to 10-inch X 3.45-inch. You may be using near-IR LEDs, but glare exists in the near-IR too and standard polarizers won't work. Mounted glass SWIR polarizers are also available.

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