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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 22 — Aug. 1, 2013
  • pp: 5523–5532

Direct wavefront sensing in adaptive optical microscopy using backscattered light

Saad A. Rahman and Martin J. Booth  »View Author Affiliations


Applied Optics, Vol. 52, Issue 22, pp. 5523-5532 (2013)
http://dx.doi.org/10.1364/AO.52.005523


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Abstract

Adaptive optics has been used to compensate the detrimental effects of aberrations in a range of high-resolution microscopes. We investigate how backscattered laser illumination can be used as the source for direct wavefront sensing using a pinhole-filtered Shack–Hartmann wavefront sensor. It is found that the sensor produces linear response to input aberrations for a given specimen. The gradient of this response is dependent upon experimental configuration and specimen structure. Cross sensitivity between modes is also observed. The double pass nature of the microscope system leads in general to lower sensitivity to odd-symmetry aberration modes. The results show that there is potential for use of this type of wavefront sensing in microscopes.

© 2013 Optical Society of America

OCIS Codes
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(180.1790) Microscopy : Confocal microscopy
(180.5810) Microscopy : Scanning microscopy
(220.1080) Optical design and fabrication : Active or adaptive optics

ToC Category:
Microscopy

History
Original Manuscript: May 3, 2013
Revised Manuscript: July 3, 2013
Manuscript Accepted: July 5, 2013
Published: July 30, 2013

Virtual Issues
Vol. 8, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Saad A. Rahman and Martin J. Booth, "Direct wavefront sensing in adaptive optical microscopy using backscattered light," Appl. Opt. 52, 5523-5532 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-22-5523

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