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N-slit laser interferometer developed

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Scientists have developed an N-slit laser interferometer that is suitable for secure terrestrial free-space optical communications over propagation distances and clear-air turbulence detection. The device was created by physicists from Interferometric Optics and the US Army Space and Missile Defense Command. The findings were reported in the Feb. 3, 2011, issue of Journal of Optics (doi: 10.1088/2040-8978/13/3/035710). Previously, N-slit interferometers were used for industrial metrology applications, including microdensitometry, microscopy and optical modulation measurement of...Read full article

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