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Advances In Microwave Metamaterials.

University of Colorado at Colorado Springs.

Advances In Microwave Metamaterials.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Advances In Microwave Metamaterials.
作者:	Wigle, James A.
面頁冊數:	252 p.
附註:	Source: Dissertation Abstracts International, Volume: 72-07, Section: B, page: .
附註:	Advisers: John Norgard; Hoyoung Song.
Contained By:	Dissertation Abstracts International72-07B.
標題:	Engineering, Electronics and Electrical.
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3454032
ISBN:	9781124627250

Advances In Microwave Metamaterials.
Wigle, James A.

Advances In Microwave Metamaterials. - 252 p.

Source: Dissertation Abstracts International, Volume: 72-07, Section: B, page: .

Thesis (Ph.D.)--University of Colorado at Colorado Springs, 2011.

Metamaterials are a new area of research showing significant promise for an entirely new set of materials, and material properties. Only recently has three-fourths of the entire electromagnetic material space been made available for discoveries, research, and applications.

ISBN: 9781124627250Subjects--Topical Terms:

226981
Engineering, Electronics and Electrical.

Advances In Microwave Metamaterials.
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245 1 0 $a Advances In Microwave Metamaterials.
300 $a 252 p.
500 $a Source: Dissertation Abstracts International, Volume: 72-07, Section: B, page: .
500 $a Advisers: John Norgard; Hoyoung Song.
502 $a Thesis (Ph.D.)--University of Colorado at Colorado Springs, 2011.
520 $a Metamaterials are a new area of research showing significant promise for an entirely new set of materials, and material properties. Only recently has three-fourths of the entire electromagnetic material space been made available for discoveries, research, and applications.
520 $a This thesis is a culmination of microwave metamaterial research that has transpired over numerous years at the University of Colorado. New work is presented; some is complete while other work has yet to be finished. Given the significant work efforts, and potential for new and interesting results, I have included some of my partial work to be completed in the future.
520 $a This thesis begins with background theory to assist readers in fully understanding the mechanisms that drove my research and results obtained. I illustrate the design and manufacture of a metamaterial that can operate within quadrants I and II of the electromagnetic material space (epsilon r > 0 and mur > 0 or epsilonr < 0 and mu r > 0, respectively). Another metamaterial design is presented for operation within quadrant III of the electromagnetic material space (epsilonr < 0 and mur < 0).
520 $a Lorentz reciprocity is empirically demonstrated for a quadrant I and II metamaterial, as well as a metamaterial enhanced antenna, or meta-antenna. Using this meta-antenna I demonstrate improved gain and directivity, and illuminate how the two are not necessarily coincident in frequency. I demonstrate a meta-lens which provides a double beam pattern for a normally hemispherical antenna, which also provides a null where the antenna alone would provide a peak on boresight.
520 $a The thesis also presents two related, but different, novel tests intended to be used to definitively illustrate the negative angle of refraction for indices of refraction less than zero. It will be shown how these tests can be used to determine most bulk electromagnetic material properties of the material under test, for both right handed and left handed materials, such as epsilonr, mur, deltaloss, and n.
520 $a The work concluding this thesis is an attempt to derive modified Fresnel Coefficients, for which I actually believe to be incorrect. Though, in transposing I have corrected a few mistakes, and now I can no longer find the conundrum. I have included this work to illuminate the need for modified Fresnel coefficients for cases of negative indices of refraction, identifying all disparate cases requiring a new set of equations, as well as to assist others in their efforts through illumination of the potential erroneous path chosen.
590 $a School code: 0892.
650 4 $a Engineering, Electronics and Electrical. $3 226981
650 4 $a Physics, Electricity and Magnetism. $3 227483
650 4 $a Engineering, Materials Science. $3 226940
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710 2 $a University of Colorado at Colorado Springs. $b College of Engineering and Applied Science - Electrical Engineering. $3 531062
773 0 $t Dissertation Abstracts International $g 72-07B.
790 1 0 $a Norgard, John, $e advisor
790 1 0 $a Song, Hoyoung, $e advisor
790 1 0 $a Norgard, John D. $e committee member
790 1 0 $a Song, Hoyoung $e committee member
790 1 0 $a Kalkur, Thottam S. $e committee member
790 1 0 $a Pinchuk, Tolya $e committee member
790 1 0 $a Celinkski, Zbigniew $e committee member
790 $a 0892
791 $a Ph.D.
792 $a 2011
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3454032