Member #412006

Member Since: February 22, 2013

Country: United States

  • News - Introduction to Infrared … | about a year ago

    Sheet polarizers are designed to work for a specific wavelength range - for sunglasses, this is understandably “visible” (400-700nm or thereabouts). In the IR, this polarizer likely has higher transmission, essentially acting like a longpass filter. As an example, check out this commercically available polarizer:http://www.thorlabs.com/NewGroupPage9.cfm?ObjectGroup_ID=4984 . Transmission increases drastically after 800nm from 40% to 90%.

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