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|a eng
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|a Adie, Steven G
|e verfasserin
|4 aut
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|a Guide-star-based computational adaptive optics for broadband interferometric tomography
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Revised 21.10.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We present a method for the numerical correction of optical aberrations based on indirect sensing of the scattered wavefront from point-like scatterers ("guide stars") within a three-dimensional broadband interferometric tomogram. This method enables the correction of high-order monochromatic and chromatic aberrations utilizing guide stars that are revealed after numerical compensation of defocus and low-order aberrations of the optical system. Guide-star-based aberration correction in a silicone phantom with sparse sub-resolution-sized scatterers demonstrates improvement of resolution and signal-to-noise ratio over a large isotome. Results in highly scattering muscle tissue showed improved resolution of fine structure over an extended volume. Guide-star-based computational adaptive optics expands upon the use of image metrics for numerically optimizing the aberration correction in broadband interferometric tomography, and is analogous to phase-conjugation and time-reversal methods for focusing in turbid media
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|a Journal Article
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|a Shemonski, Nathan D
|e verfasserin
|4 aut
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|a Graf, Benedikt W
|e verfasserin
|4 aut
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|a Ahmad, Adeel
|e verfasserin
|4 aut
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| 700 |
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|a Scott Carney, P
|e verfasserin
|4 aut
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|a Boppart, Stephen A
|e verfasserin
|4 aut
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|i Enthalten in
|t Applied physics letters
|d 1998
|g 101(2012), 22 vom: 26. Nov., Seite 221117
|w (DE-627)NLM098165984
|x 0003-6951
|7 nnns
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| 773 |
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|g volume:101
|g year:2012
|g number:22
|g day:26
|g month:11
|g pages:221117
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