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Novel polarimetery techniques.

Georgia Institute of Technology.

Novel polarimetery techniques.

紀錄類型:	書目-電子資源 : 單行本
正題名/作者:	Novel polarimetery techniques./
作者:	Kothari, Neeraj.
面頁冊數:	98 p.
附註:	Source: Dissertation Abstracts International, Volume: 68-12, Section: B, page: 8103.
Contained By:	Dissertation Abstracts International68-12B.
標題:	Physics, Optics. -
電子資源:	Download PDF (下載PDF全文)
ISBN:	9780549387343

Novel polarimetery techniques.
Kothari, Neeraj.

Novel polarimetery techniques. - 98 p.

Source: Dissertation Abstracts International, Volume: 68-12, Section: B, page: 8103.

Thesis (Ph.D.)--Georgia Institute of Technology, 2007.

Polarization specific measurements are advancing the capabilities of scientific instruments looking for ever smaller effects and material parameters. For example, the magneto-optical nonlinear Faraday effect can be used to characterize various electric and magnetic polarizability parameters of an individual molecule. Another major application is detection of desired particles in a highly scattering environment, the physical effect of which has been extensively researched, and is being overcome by using time-gated and polarization techniques. The polarimeter sensitivity is limited by the extinction-ratio obtained from polarizers. Of available polarizer materials, naturally occurring Calcite crystals provide the best extinction ratios because of their good optical homogeneity and high birefringence. However, there is a need for polarization determination with higher sensitivities, and thus a necessity to find better polarizing materials and methods.

ISBN: 9780549387343Subjects--Topical Terms:

1000005523
Physics, Optics.

Novel polarimetery techniques.
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245 1 0 $a Novel polarimetery techniques.
300 $a 98 p.
500 $a Source: Dissertation Abstracts International, Volume: 68-12, Section: B, page: 8103.
500 $a Adviser: Rick Trebino.
502 $a Thesis (Ph.D.)--Georgia Institute of Technology, 2007.
520 $a Polarization specific measurements are advancing the capabilities of scientific instruments looking for ever smaller effects and material parameters. For example, the magneto-optical nonlinear Faraday effect can be used to characterize various electric and magnetic polarizability parameters of an individual molecule. Another major application is detection of desired particles in a highly scattering environment, the physical effect of which has been extensively researched, and is being overcome by using time-gated and polarization techniques. The polarimeter sensitivity is limited by the extinction-ratio obtained from polarizers. Of available polarizer materials, naturally occurring Calcite crystals provide the best extinction ratios because of their good optical homogeneity and high birefringence. However, there is a need for polarization determination with higher sensitivities, and thus a necessity to find better polarizing materials and methods.
520 $a I developed a next-generation polarimeter in an attempt to sensitively detect the second-order Faraday effect, along with a substance's chirality and Verdet constant. Also, I developed a device uniquely able to sensitively detect chiral signatures in the presence of massive depolarizing scattering. In addition, I begun developing a novel type of polarimeter based on the highly-polarization-sensitive nonlinear-optical process of harmonic generation, whose required crystals can be grown with extremely high quality.
590 $a School code: 0078.
650 4 $a Physics, Optics. $3 1000005523
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710 2 $a Georgia Institute of Technology. $3 1000005517
773 0 $t Dissertation Abstracts International $g 68-12B.
790 1 0 $a Trebino, Rick, $e advisor
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791 $a Ph.D.
792 $a 2007
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