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Optics Letters

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  • Vol. 25, Iss. 2 — Jan. 15, 2000
  • pp: 102–104

Video-rate optical low-coherence reflectometry based on a linear smart detector array

S. Bourquin, V. Monterosso, P. Seitz, and R. P. Salathé  »View Author Affiliations


Optics Letters, Vol. 25, Issue 2, pp. 102-104 (2000)
http://dx.doi.org/10.1364/OL.25.000102


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Abstract

A low-coherence reflectometer based on a conventional Michelson interferometer and a novel silicon detector chip that allows parallel heterodyne detection is presented. Cross-sectional images of 64×256 pixels covering an area of 1.92 mm × 1.3 mm are acquired at video rate and with a sensitivity close to the shot-noise limit. Applications in surface profiling and thickness measurement are demonstrated.

© 2000 Optical Society of America

OCIS Codes
(040.1240) Detectors : Arrays
(110.4500) Imaging systems : Optical coherence tomography

Citation
S. Bourquin, V. Monterosso, P. Seitz, and R. P. Salathé, "Video-rate optical low-coherence reflectometry based on a linear smart detector array," Opt. Lett. 25, 102-104 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-2-102


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