Agile beam steering using binary optics microlens arrays

Details Agile beam steering using binary optics microlens arrays Agile beam steering using binary optics microlens arrays

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990opten..29.1392g&link_type=abstract

Optical Engineering (ISSN 0091-3286), vol. 29, Nov. 1990, p. 1392-1397. Research supported by SDIO.

Other

18

Helium-Neon Lasers, Laser Beams, Telescopes, Arrays, Optical Scanners, Steering, Wave Fronts

Scientific paper

Agile steering of a helium-neon laser beam (632.8 nm) has been demonstrated using a complementary pair of 5-cm-aperture binary optic microlens arrays in the Galilean telescope geometry. Segmentation of a collimated input beam by illuminating approximately 60,000 F/5 microlenses of 200-micron diameter and parabolic phase profile results in nearly aberration free beam steering over an 11 deg field of view for + or - 100-micron lateral displacements of one array relative to the other. Wavefront quality and steering efficiency of the deflected beam has been measured as a function of steering angle and is compared to a simple theoretical model.

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