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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 27 — Sep. 20, 2003
  • pp: 5399–5406

Design, implementation, and characterization of a folded spot-array generator for a modulator-based free-space optical interconnect

Frédéric Thomas-Dupuis, Marc Châteauneuf, and Andrew G. Kirk  »View Author Affiliations


Applied Optics, Vol. 42, Issue 27, pp. 5399-5406 (2003)
http://dx.doi.org/10.1364/AO.42.005399


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Abstract

A folded structured light generator is presented. This spot generator is to be used in a modulator-based free-space optical interconnect. Three cascaded diffractive optical elements produce 4 × 8 clusters on an 800 µm × 1600 µm pitch, in which each cluster is a 4 × 4 array of 13.1-µm-radius spots on a 90-µm pitch. The folded configuration is more compact than an existing linear spot-array generator and replaces 14 optical surfaces with eight surfaces. Details of the optical design, sensitivity analysis, alignment techniques, assembly, and test results are presented.

© 2003 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(200.2610) Optics in computing : Free-space digital optics
(220.4830) Optical design and fabrication : Systems design
(230.1150) Optical devices : All-optical devices

History
Original Manuscript: February 27, 2003
Revised Manuscript: June 10, 2003
Published: September 20, 2003

Citation
Frédéric Thomas-Dupuis, Marc Châteauneuf, and Andrew G. Kirk, "Design, implementation, and characterization of a folded spot-array generator for a modulator-based free-space optical interconnect," Appl. Opt. 42, 5399-5406 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-27-5399

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