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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 1, Iss. 12 — Dec. 18, 2006

Slanted hole array beam profiler (SHArP)—a high-resolution portable beam profiler based on a linear aperture array

Xiquan Cui, Xin Heng, Jigang Wu, Zahid Yaqoob, Axel Scherer, Demetri Psaltis, and Changhuei Yang  »View Author Affiliations


Optics Letters, Vol. 31, Issue 21, pp. 3161-3163 (2006)
http://dx.doi.org/10.1364/OL.31.003161


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Abstract

We demonstrate a novel high-resolution portable beam profiler based on a slanted linear array of small apertures, termed a slanted hole array beam profiler (SHArP). The apertures are directly fabricated on a metal-coated CMOS imaging sensor. With a single linear scan, the aperture array can establish a virtual grid of sampling points for beam profiling. With our prototype, we demonstrate beam profiling of Gaussian beams over an area of 66.5 μ m × 66.5 μ m with a resolution of 0.8 μ m (compare with the CMOS pixel size of 10 μ m ). The resolution can be improved into the range of submicrometers by fabricating smaller apertures. The good correspondence between the measured and calculated beam profiles proves the fidelity of our new beam profiling scheme.

© 2006 Optical Society of America

OCIS Codes
(110.0180) Imaging systems : Microscopy
(230.3990) Optical devices : Micro-optical devices

ToC Category:
Optical Devices

History
Original Manuscript: May 17, 2006
Revised Manuscript: August 11, 2006
Manuscript Accepted: August 16, 2006
Published: October 11, 2006

Virtual Issues
Vol. 1, Iss. 12 Virtual Journal for Biomedical Optics

Citation
Xiquan Cui, Xin Heng, Jigang Wu, Zahid Yaqoob, Axel Scherer, Demetri Psaltis, and Changhuei Yang, "Slanted hole array beam profiler (SHArP)—a high-resolution portable beam profiler based on a linear aperture array," Opt. Lett. 31, 3161-3163 (2006)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-31-21-3161

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