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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 9 — May. 1, 2013
  • pp: 1476–1478

Collecting optical coherence elastography depth profiles with a micromachined cantilever probe

Dhwajal Chavan, Jianhua Mo, Mattijs de Groot, Anna Meijering, Johannes F. de Boer, and Davide Iannuzzi  »View Author Affiliations


Optics Letters, Vol. 38, Issue 9, pp. 1476-1478 (2013)
http://dx.doi.org/10.1364/OL.38.001476


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Abstract

We present an experimental setup that combines optical coherence elastography depth sensing with atomic force microscope indentation. The instrument relies on a miniaturized cantilever probe that compresses a sample with a small footprint force and simultaneously collects an optical coherence tomography (OCT) depth profile underneath the indenting point. The deflection of the cantilever can be monitored via optical fiber interferometry with a resolution of 2 nm. The OCT readout then provides depth profiles of the subsurface layer deformation with 15 nm resolution and depth range of a few millimeters.

© 2013 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.4880) Instrumentation, measurement, and metrology : Optomechanics

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: January 24, 2013
Revised Manuscript: March 12, 2013
Manuscript Accepted: April 2, 2013
Published: April 26, 2013

Virtual Issues
Vol. 8, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Dhwajal Chavan, Jianhua Mo, Mattijs de Groot, Anna Meijering, Johannes F. de Boer, and Davide Iannuzzi, "Collecting optical coherence elastography depth profiles with a micromachined cantilever probe," Opt. Lett. 38, 1476-1478 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-9-1476

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