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Gradient-index fiber array for imaging.

Chen, Xi.

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Gradient-index fiber array for imaging.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Gradient-index fiber array for imaging./
作者:	Chen, Xi.
面頁冊數:	231 p.
附註:	Source: Dissertation Abstracts International, Volume: 67-12, Section: B, page: 7145.
Contained By:	Dissertation Abstracts International67-12B.
標題:	Physics, Optics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3245838

Gradient-index fiber array for imaging.
Chen, Xi.

Gradient-index fiber array for imaging. - 231 p.

Source: Dissertation Abstracts International, Volume: 67-12, Section: B, page: 7145.

Thesis (Ph.D.)--University of Rochester, 2007.

In this thesis Fourier optics is used to analyze a gradient-index (GRIN) rod and a GRIN fiber array. With this viewpoint we present several novel interpretations of the imaging of these systems, including derivations for the impulse responses for both Fourier transform planes and imaging planes, including aberrations. In addition, both coherent and incoherent illuminations are considered. An effective aberration transmission function is defined and calculated to have the diffraction effect and aberrations included in the Fourier optics. The theoretical predictions from the Fourier optics including aberrations are in excellent agreement with the experimental results. This treatment provides a powerful tool for resolution and image quality analysis of a GRIN rod and a GRIN array.Subjects--Topical Terms:

1018756
Physics, Optics.

Gradient-index fiber array for imaging.
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100 1 $a Chen, Xi. $3 1017731
245 1 0 $a Gradient-index fiber array for imaging.
300 $a 231 p.
500 $a Source: Dissertation Abstracts International, Volume: 67-12, Section: B, page: 7145.
500 $a Adviser: Nicholas George.
502 $a Thesis (Ph.D.)--University of Rochester, 2007.
520 $a In this thesis Fourier optics is used to analyze a gradient-index (GRIN) rod and a GRIN fiber array. With this viewpoint we present several novel interpretations of the imaging of these systems, including derivations for the impulse responses for both Fourier transform planes and imaging planes, including aberrations. In addition, both coherent and incoherent illuminations are considered. An effective aberration transmission function is defined and calculated to have the diffraction effect and aberrations included in the Fourier optics. The theoretical predictions from the Fourier optics including aberrations are in excellent agreement with the experimental results. This treatment provides a powerful tool for resolution and image quality analysis of a GRIN rod and a GRIN array.
520 $a The depth-of-field phenomenon for a GRIN array is quite different from that for a lens. We present both a geometrical optics based and a physical optics analysis for the depth-of-field of the array. To extend the depth-of-field, a novel design of phase masks with post digital processing is proposed. Two fabrication techniques of masks are studied and compared. The experimental setup for measurement of phase masks is established. The alignment of masks is studied. The point-spread functions of the GRIN fiber array with phase masks for defocused objects are calculated and digitally processed with the maximum entropy algorithm. The depth-of-field is expected to be 2 to 3 times that for the uncorrected array.
590 $a School code: 0188.
650 4 $a Physics, Optics. $3 1018756
690 $a 0752
710 2 0 $a University of Rochester. $3 515736
773 0 $t Dissertation Abstracts International $g 67-12B.
790 1 0 $a George, Nicholas, $e advisor
790 $a 0188
791 $a Ph.D.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3245838