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Optics Letters

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  • Vol. 16, Iss. 22 — Nov. 15, 1991
  • pp: 1783–1784

Collimation method that uses spiral gratings and Talbot interferometry

Chon-Wen Chang and Der-Chin Su  »View Author Affiliations


Optics Letters, Vol. 16, Issue 22, pp. 1783-1784 (1991)
http://dx.doi.org/10.1364/OL.16.001783


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Abstract

The tested light is projected onto an arrangement composed of two special spiral gratings, in which the second spiral grating is positioned at the Talbot image of the first one. From the shapes of the resultant moiré fringes, the quality of collimation of the tested light can be easily checked.

© 1991 Optical Society of America

History
Original Manuscript: July 8, 1991
Published: November 15, 1991

Citation
Chon-Wen Chang and Der-Chin Su, "Collimation method that uses spiral gratings and Talbot interferometry," Opt. Lett. 16, 1783-1784 (1991)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-16-22-1783


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