High-resolution beam steering using microlens arrays
Optics Letters, Vol. 31, Issue 19, pp. 2861-2863 (2006)
http://dx.doi.org/10.1364/OL.31.002861
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Abstract
Imaging or beam-steering systems employing a periodic array of microlenses or micromirrors suffer from diffraction problems resulting from the destructive interference of the beam segments produced by the array. Simple formulas are derived for beam steering with segmented apertures that do not suffer from diffraction problems because of the introduction of a moving linear phase shifter such as a prescan lens before the periodic structure. The technique substantially increases the resolution of imaging systems that employ microlens arrays or micromirror arrays. Theoretical, numerical, and experimental results demonstrating the high-resolution imaging concept using microlens arrays are presented.
© 2006 Optical Society of America
OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(050.5080) Diffraction and gratings : Phase shift
(120.5800) Instrumentation, measurement, and metrology : Scanners
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(350.3950) Other areas of optics : Micro-optics
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: June 1, 2006
Manuscript Accepted: July 5, 2006
Published: September 11, 2006
Virtual Issues
Vol. 1, Iss. 11 Virtual Journal for Biomedical Optics
Citation
Ata Akatay, Caglar Ataman, and Hakan Urey, "High-resolution beam steering using microlens arrays," Opt. Lett. 31, 2861-2863 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-19-2861
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