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  1. The visible spectrum is limited to wavelengths that can both reach the retina and trigger visual phototransduction (excite a visual opsin ). Insensitivity to UV light is generally limited by transmission through the lens. Insensitivity to IR light is limited by the spectral sensitivity functions of the visual opsins.

  2. en.wikipedia.org › wiki › LidarLidar - Wikipedia

    Lidar ( / ˈlaɪdɑːr /, also LIDAR, LiDAR or LADAR, an acronym of "light detection and ranging" [1] or "laser imaging, detection, and ranging" [2]) is a method for determining ranges by targeting an object or a surface with a laser and measuring the time for the reflected light to return to the receiver.

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