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A Broadband Optical Ring Resonator f...

Oates, Thomas Christopher.

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A Broadband Optical Ring Resonator for Absorption and Refractive Index Detection.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	A Broadband Optical Ring Resonator for Absorption and Refractive Index Detection./
作者:	Oates, Thomas Christopher.
面頁冊數:	178 p.
附註:	Source: Dissertation Abstracts International, Volume: 74-09(E), Section: B.
Contained By:	Dissertation Abstracts International74-09B(E).
標題:	Chemistry, Analytical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3563219
ISBN:	9781303113802

A Broadband Optical Ring Resonator for Absorption and Refractive Index Detection.
Oates, Thomas Christopher.

A Broadband Optical Ring Resonator for Absorption and Refractive Index Detection. - 178 p.

Source: Dissertation Abstracts International, Volume: 74-09(E), Section: B.

Thesis (Ph.D.)--University of Washington, 2013.

Optical ring resonators have been studied in recent years as chemical sensors. Conventionally, these devices are operated by means of tracking a single resonance wavelength through use of a finely tunable laser source. This wavelength will shift as a result of changing resonator conditions, such as a refractive index (RI) shift resulting from sample analyte activity. In this work, an alternative approach to the conventional ring resonator methods is presented. This approach utilizes a `broadband' (relative to a monochromatic laser) light source such as a light emitting diode.

ISBN: 9781303113802Subjects--Topical Terms:

586156
Chemistry, Analytical.

A Broadband Optical Ring Resonator for Absorption and Refractive Index Detection.
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245 1 2 $a A Broadband Optical Ring Resonator for Absorption and Refractive Index Detection.
300 $a 178 p.
500 $a Source: Dissertation Abstracts International, Volume: 74-09(E), Section: B.
500 $a Adviser: Lloyd W. Burgess.
502 $a Thesis (Ph.D.)--University of Washington, 2013.
520 $a Optical ring resonators have been studied in recent years as chemical sensors. Conventionally, these devices are operated by means of tracking a single resonance wavelength through use of a finely tunable laser source. This wavelength will shift as a result of changing resonator conditions, such as a refractive index (RI) shift resulting from sample analyte activity. In this work, an alternative approach to the conventional ring resonator methods is presented. This approach utilizes a `broadband' (relative to a monochromatic laser) light source such as a light emitting diode.
520 $a Results are presented for both absorption and RI detection. While the demonstrated absorbance enhancement for surface-active analytes is theoretically anticipated, the observed RI sensitivity exceeds expectations. Due to multiple optical mechanisms that are simultaneously affected by an RI shift, detection limits on the order of 10-6 RIU (refractive index units) are presented using Fourier-transform based extraction of interference components from output spectra. Additional device characterizations are performed for a number of variables, including wall thickness, fabrication method, detector resolution, and dynamic range.
520 $a Through study of these new methods, certain advantages become clear. While one is the ability to take absorbance and RI measurements with the same device, perhaps the most significant advantage is the compatibility these methods have with lower quality resonators, such as those which could be mass-produced. With these aspects in mind, potential absorption and RI based applications are probed further. Low-cost and/or portable devices are proposed, as well as improvements on classical analytical methods and biosensing applications.
590 $a School code: 0250.
650 4 $a Chemistry, Analytical. $3 586156
650 4 $a Physics, Optics. $3 1018756
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690 $a 0752
710 2 $a University of Washington. $b Chemistry. $3 2093573
773 0 $t Dissertation Abstracts International $g 74-09B(E).
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791 $a Ph.D.
792 $a 2013
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3563219