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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 31, Iss. 6 — Jun. 1, 2014
  • pp: 1337–1347

Optimization-based wavefront sensorless adaptive optics for multiphoton microscopy

Jacopo Antonello, Tim van Werkhoven, Michel Verhaegen, Hoa H. Truong, Christoph U. Keller, and Hans C. Gerritsen  »View Author Affiliations


JOSA A, Vol. 31, Issue 6, pp. 1337-1347 (2014)
http://dx.doi.org/10.1364/JOSAA.31.001337


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Abstract

Optical aberrations have detrimental effects in multiphoton microscopy. These effects can be curtailed by implementing model-based wavefront sensorless adaptive optics, which only requires the addition of a wavefront shaping device, such as a deformable mirror (DM) to an existing microscope. The aberration correction is achieved by maximizing a suitable image quality metric. We implement a model-based aberration correction algorithm in a second-harmonic microscope. The tip, tilt, and defocus aberrations are removed from the basis functions used for the control of the DM, as these aberrations induce distortions in the acquired images. We compute the parameters of a quadratic polynomial that is used to model the image quality metric directly from experimental input–output measurements. Finally, we apply the aberration correction by maximizing the image quality metric using the least-squares estimate of the unknown aberration.

© 2014 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(180.5810) Microscopy : Scanning microscopy
(220.1000) Optical design and fabrication : Aberration compensation
(110.0113) Imaging systems : Imaging through turbid media
(180.4315) Microscopy : Nonlinear microscopy

ToC Category:
Microscopy

History
Original Manuscript: March 7, 2014
Revised Manuscript: April 23, 2014
Manuscript Accepted: April 25, 2014
Published: May 30, 2014

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

Citation
Jacopo Antonello, Tim van Werkhoven, Michel Verhaegen, Hoa H. Truong, Christoph U. Keller, and Hans C. Gerritsen, "Optimization-based wavefront sensorless adaptive optics for multiphoton microscopy," J. Opt. Soc. Am. A 31, 1337-1347 (2014)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-31-6-1337

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