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Optical applications of two-photon a...

Young, Aaron Cody.

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Optical applications of two-photon and microexplosion lithography.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Optical applications of two-photon and microexplosion lithography./
作者:	Young, Aaron Cody.
面頁冊數:	124 p.
附註:	Adviser: Larry Sorensen.
Contained By:	Dissertation Abstracts International68-11B.
標題:	Physics, Optics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3290624
ISBN:	9780549344551

Optical applications of two-photon and microexplosion lithography.
Young, Aaron Cody.

Optical applications of two-photon and microexplosion lithography. - 124 p.

Adviser: Larry Sorensen.

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

Two-Photon Microfabrication and Microexplosion Lithography are methods of patterning material with laser light. Differing from other forms of photolithography, these techniques rely on the nonlinear interaction between an ultrafast pulsed light source and uniquely absorbing material to achieve a sub-microscopic 3D pattern. From a quantum mechanical perspective, the material is understood to be absorbing more than one photon at a time to make a single energetic transition. Once in the excited state, the absorbing molecule starts a chain reaction that results in the solidification of a liquid or modification of a solid. The stronger dependence of nonlinear absorption on the local intensity implies the excitation and damaging effects of the laser can be confined to a region within the classical focal volume. If done correctly, only molecules that are very near the precise center of the focal point (where intensity is highest) will be coaxed into reaction, resulting in material modification within a few nanometers of the geometric focal spot. The dimension of the smallest observed effect achieved with a focused optical beam is a few tens of nanometers but ultimately this scale is highly dependent, not just on the optics, but on the material system and is related to specific material constants and polymerization properties. Herein, a complete system is presented which makes use of these phenomena to generate microscopic polymeric patterns. Because of their morphologies, chemical constituents, and local environment, the resultant solids described in this dissertation were designed to achieve functional sensors, resonators, lenses, gratings, and optical diffraction crystals.

ISBN: 9780549344551Subjects--Topical Terms:

1018756
Physics, Optics.

Optical applications of two-photon and microexplosion lithography.
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