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High power pulse UV source developme...

Xu, Xiaozhen.

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High power pulse UV source development and its applications.

Record Type:	Electronic resources : Monograph/item
Title/Author:	High power pulse UV source development and its applications./
Author:	Xu, Xiaozhen.
Description:	147 p.
Notes:	Source: Dissertation Abstracts International, Volume: 75-11(E), Section: B.
Contained By:	Dissertation Abstracts International75-11B(E).
Subject:	Optics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3630380
ISBN:	9781321082241

High power pulse UV source development and its applications.
Xu, Xiaozhen.

High power pulse UV source development and its applications. - 147 p.

Source: Dissertation Abstracts International, Volume: 75-11(E), Section: B.

Thesis (Ph.D.)--The University of New Mexico, 2014.

This item is not available from ProQuest Dissertations & Theses.

Laser filament provides scientists a powerful tool to promote and guide lightning discharge. An ultraviolet (UV) laser provides unique advantages due to a low threshold of filament formation as well as long propagation distance. However, a major bottleneck in conducting these experiments is the lack of a powerful yet stable laser source in the UV spectral range.

ISBN: 9781321082241Subjects--Topical Terms:

517925
Optics.

High power pulse UV source development and its applications.
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008 170521s2014 eng d
020 $a 9781321082241
035 $a (MiAaPQ)AAI3630380
035 $a AAI3630380
040 $a MiAaPQ $c MiAaPQ
100 1 $a Xu, Xiaozhen. $3 3176097
245 1 0 $a High power pulse UV source development and its applications.
300 $a 147 p.
500 $a Source: Dissertation Abstracts International, Volume: 75-11(E), Section: B.
500 $a Adviser: Jean-Claude M. Diels.
502 $a Thesis (Ph.D.)--The University of New Mexico, 2014.
506 $a This item is not available from ProQuest Dissertations & Theses.
506 $a This item must not be sold to any third party vendors.
520 $a Laser filament provides scientists a powerful tool to promote and guide lightning discharge. An ultraviolet (UV) laser provides unique advantages due to a low threshold of filament formation as well as long propagation distance. However, a major bottleneck in conducting these experiments is the lack of a powerful yet stable laser source in the UV spectral range.
520 $a Here, we developed a high power UV source suitable for laser filamentation studies in air. The system was optimized to produce < 300 ps, ~0.3J pulses at 266 nm. This corresponds to a peak power of ~1 GW, which is well above the critical power required for filament generation. The system includes four critical components: a single mode Nd:YAG oscillator, 6-stage amplifier chain, a pulse compressor and frequency conversion units. We optimized each component for maximum energy throughput with an emphasis on stability and reproducibility. At each stage, the optical output is characterized experimentally and compared to theoretical modeling of the corresponding physical processes.
520 $a A number of technical innovations have emerged during the construction of the system. First, we invented a novel feedback-based cavity stabilization scheme for single-mode operation of the Nd:YAG oscillator. Our scheme eliminated mode beating in ~100% of the output pulses over a time scale of hours under noisy environments. Second, we developed a systematic optimization approach for high-energy pulse compression using stimulated Brillouin scattering. Our method achieved temporal compression of 40X in 532 nm with < 2% pulse-to-pulse fluctuation and elucidated the role of a number of overlooked parameters in the literature.
520 $a We illustrated the application of the system with preliminary UV filamentation in air and laser-induced discharge studies. Future directions are discussed.
590 $a School code: 0142.
650 4 $a Optics. $3 517925
650 4 $a High energy physics. $3 2144759
650 4 $a Physics. $3 516296
690 $a 0752
690 $a 0798
690 $a 0605
710 2 0 $a The University of New Mexico. $b Optical Science and Engineering. $3 3176098
773 0 $t Dissertation Abstracts International $g 75-11B(E).
790 $a 0142
791 $a Ph.D.
792 $a 2014
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3630380