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Characterization of ablation and ato...

Scaffidi, Jonathan Peter.

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Characterization of ablation and atomic emission enhancements in dual-pulse laser-induced breakdown spectroscopy using femtosecond- and nanosecond-pulse lasers.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Characterization of ablation and atomic emission enhancements in dual-pulse laser-induced breakdown spectroscopy using femtosecond- and nanosecond-pulse lasers./
作者:	Scaffidi, Jonathan Peter.
面頁冊數:	195 p.
附註:	Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 2044.
Contained By:	Dissertation Abstracts International66-04B.
標題:	Chemistry, Analytical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3173189
ISBN:	9780542105227

Characterization of ablation and atomic emission enhancements in dual-pulse laser-induced breakdown spectroscopy using femtosecond- and nanosecond-pulse lasers.
Scaffidi, Jonathan Peter.

Characterization of ablation and atomic emission enhancements in dual-pulse laser-induced breakdown spectroscopy using femtosecond- and nanosecond-pulse lasers. - 195 p.

Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 2044.

Thesis (Ph.D.)--University of South Carolina, 2005.

Herein we discuss a number of advances in both understanding and application of collinear and orthogonal dual-pulse LIBS (DP LIBS) during the past several years. Chapter one is a broad overview of recent DP LIBS literature and, in addition to discussing current and future directions of research, serves as both an introduction to and a summary of the remainder of this work. Chapter two uses orthogonal femtosecond- (fs) and nanosecond-pulse (ns) laser-induced plasmas (LIPS) in both pre-ablative spark and reheating configurations as a "first pass" at attempting to determine possible sources of DP LIBS' atomic emission and signal-to-noise enhancements, and indicates potential contributions vial atmospheric number density reductions, atmospheric heating, sample heating, and direct plasma-plasma coupling effects. Chapters three through five further examine the importance of these effects in orthogonal fs-ns DP LIBS, and chapter six extends our work to the collinear fs-ns dual-pulse configuration---all four studies verify the potential significance of the aforementioned effects in both collinear and orthogonal DP LIBS.

ISBN: 9780542105227Subjects--Topical Terms:

586156
Chemistry, Analytical.

Characterization of ablation and atomic emission enhancements in dual-pulse laser-induced breakdown spectroscopy using femtosecond- and nanosecond-pulse lasers.
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245 1 0 $a Characterization of ablation and atomic emission enhancements in dual-pulse laser-induced breakdown spectroscopy using femtosecond- and nanosecond-pulse lasers.
300 $a 195 p.
500 $a Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 2044.
500 $a Major Professor: S. Michael Angel.
502 $a Thesis (Ph.D.)--University of South Carolina, 2005.
520 $a Herein we discuss a number of advances in both understanding and application of collinear and orthogonal dual-pulse LIBS (DP LIBS) during the past several years. Chapter one is a broad overview of recent DP LIBS literature and, in addition to discussing current and future directions of research, serves as both an introduction to and a summary of the remainder of this work. Chapter two uses orthogonal femtosecond- (fs) and nanosecond-pulse (ns) laser-induced plasmas (LIPS) in both pre-ablative spark and reheating configurations as a "first pass" at attempting to determine possible sources of DP LIBS' atomic emission and signal-to-noise enhancements, and indicates potential contributions vial atmospheric number density reductions, atmospheric heating, sample heating, and direct plasma-plasma coupling effects. Chapters three through five further examine the importance of these effects in orthogonal fs-ns DP LIBS, and chapter six extends our work to the collinear fs-ns dual-pulse configuration---all four studies verify the potential significance of the aforementioned effects in both collinear and orthogonal DP LIBS.
520 $a As a result of these studies, it is now clear that a full examination of both optimal and non-optimal DP LIBS enhancements is necessary to determine the relative importance of atmospheric concentration, sample heating, and plasma-plasma coupling effects. With the identification of these factors, the LIBS community should now be able to more rapidly advance both understanding and application of collinear and orthogonal DP LIBS.
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