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Optimal Phase Masks for High Contras...

Ruane, Garreth J.

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Optimal Phase Masks for High Contrast Imaging Applications.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Optimal Phase Masks for High Contrast Imaging Applications./
作者:	Ruane, Garreth J.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2016,
面頁冊數:	186 p.
附註:	Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.
Contained By:	Dissertation Abstracts International77-09B(E).
標題:	Optics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10100982
ISBN:	9781339648347

Optimal Phase Masks for High Contrast Imaging Applications.
Ruane, Garreth J.

Optimal Phase Masks for High Contrast Imaging Applications. - Ann Arbor : ProQuest Dissertations & Theses, 2016 - 186 p.

Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.

Thesis (Ph.D.)--Rochester Institute of Technology, 2016.

Phase-only optical elements can provide a number of important functions for high-contrast imaging. This thesis presents analytical and numerical optical design methods for accomplishing specific tasks, the most significant of which is the precise suppression of light from a distant point source. Instruments designed for this purpose are known as coronagraphs. Here, advanced coronagraph designs are presented that offer improved theoretical performance in comparison to the current state-of-the-art. Applications of these systems include the direct imaging and characterization of exoplanets and circumstellar disks with high sensitivity. Several new coronagraph designs are introduced and, in some cases, experimental support is provided.

ISBN: 9781339648347Subjects--Topical Terms:

517925
Optics.

Optimal Phase Masks for High Contrast Imaging Applications.
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500 $a Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.
500 $a Adviser: Grover Swartzlander.
502 $a Thesis (Ph.D.)--Rochester Institute of Technology, 2016.
520 $a Phase-only optical elements can provide a number of important functions for high-contrast imaging. This thesis presents analytical and numerical optical design methods for accomplishing specific tasks, the most significant of which is the precise suppression of light from a distant point source. Instruments designed for this purpose are known as coronagraphs. Here, advanced coronagraph designs are presented that offer improved theoretical performance in comparison to the current state-of-the-art. Applications of these systems include the direct imaging and characterization of exoplanets and circumstellar disks with high sensitivity. Several new coronagraph designs are introduced and, in some cases, experimental support is provided.
520 $a In addition, two novel high-contrast imaging applications are discussed: the measurement of sub-resolution information using coronagraphic optics and the protection of sensors from laser damage. The former is based on experimental measurements of the sensitivity of a coronagraph to source displacement. The latter discussion presents the current state of ongoing theoretical work. Beyond the mentioned applications, the main outcome of this thesis is a generalized theory for the design of optical systems with one of more phase masks that provide precise control of radiation over a large dynamic range, which is relevant in various high-contrast imaging scenarios. The optimal phase masks depend on the necessary tasks, the maximum number of optics, and application specific performance measures. The challenges and future prospects of this work are discussed in detail.
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