WebbLenses, aspheric lenses, windows, beamsplitters, optical filters, wedges and prisms Surface finish Polishes of 20-10 scratch-dig are mostly specified for use in UV and VIS applications. Typical specifications in the infrared are 40-20 scratch-dig for the NIR spectral region and 60-40 scratch-dig for the MW spectral region. Surface figure WebbWhat is SWIR? Short-wave infrared (SWIR) light is typically defined as light in the 0.9 – 1.7μm wavelength range, but can also be classified from 0.7 – 2.5μm. Since silicon sensors have an upper limit of approximately 1.0μm, SWIR imaging requires unique optical and electronic components capable of performing in the specific SWIR range.
How to Block Infrared Light: 11 Steps (with Pictures) - wikiHow
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How to Filter Light with Different Materials: 10 Steps - WikiHow
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