| 1. | Initially, emphasis was placed on special devices with high-gain amplification for detecting reflected infrared from an illuminating searchlight.
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| 2. | The mirror reflected infrared light equally well from all angles and as efficiently as the best metallic mirrors.
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| 3. | The separate radiometer allows for the measurement of reflected infrared, visible, and ultraviolet light off of a body.
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| 4. | The prisms reflected infrared beams sent into the ST-124 by a theodolite stationed 700 feet away from the launch pad.
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| 5. | A reflector at the top of the heater reflected infrared heat down to warm the table and any body surfaces facing the heater.
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| 6. | In principle, you could certainly make paint that reflected infrared but was transparent in the visible .-- talk ) 18 : 32, 3 February 2015 ( UTC)
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