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Diffraction optics of complex-struct...

Belyakov, Vladimir.

Diffraction optics of complex-structured periodic medialocalized optical modes of spiral media /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Diffraction optics of complex-structured periodic mediaby Vladimir Belyakov.
其他題名:	localized optical modes of spiral media /
作者:	Belyakov, Vladimir.
出版者:	Cham :Springer International Publishing :2019.
面頁冊數:	xix, 253 p. :ill., digital ;24 cm.
Contained By:	Springer eBooks
標題:	Diffraction.
電子資源:	https://doi.org/10.1007/978-3-319-43482-7
ISBN:	9783319434827$q(electronic bk.)

Diffraction optics of complex-structured periodic medialocalized optical modes of spiral media /
Belyakov, Vladimir.

Diffraction optics of complex-structured periodic medialocalized optical modes of spiral media /[electronic resource] :by Vladimir Belyakov. - 2nd ed. - Cham :Springer International Publishing :2019. - xix, 253 p. :ill., digital ;24 cm. - Springer series in optical sciences,v.2030342-4111 ;. - Springer series in optical sciences ;v. 93..

Introduction -- Waves in Media with One-Dimensional Periodicity (Exact Solution) -- Approximate Description of Interaction of Radiation with Regular Media -- Nonlinear Optics of Periodic Media -- Optics of Chiral Liquid Crystals -- Edge Modes in Photonic Liquid Crystals -- Low Threshold DFB Lasing in Chiral Liquid Crystals -- Optical Defect Modes in Chiral Liquid Crystals -- Optical Defect Modes at an Active Defect Layer in Photonic Liquid Crystals -- Localized Modes in Optics of Photonic Liquid Crystals with Local Anisotropy of Absorption -- Localized Modes and Enhancement of Some Optical Phenomena in Photonic Media.

This book presents recent theoretical and experimental results of localized optical modes and low-threshold lasing in spiral photonic media. Efficient applications of localized modes for low-threshold lasing at the frequencies of localized modes are a central topic of the book's new chapters. Attention is paid to the analytical approach to the problem. The book focuses on one of the most extensively studied media in this field, cholesteric liquid crystals. The chosen model, in the absence of dielectric interfaces, allows to remove the problem of polarization mixing at surfaces, layers and defect structures. It allows to reduce the corresponding equations to the equations for light of diffracting polarization only. The problem concentrates then on the edge and defect optical modes. The possibility to reduce the lasing threshold due to an anomalously strong absorption effect is presented theoretically for distributed feedback lasing. It is shown that a minimum of the threshold-pumping wave intensity can be reached for the pumping wave frequency coinciding with the localized mode frequency (what can be reached for a pumping wave propagating at a certain angle to the helical axes) Analytic expressions for transmission and reflection coefficients are presented. In the present second edition, experimental observations of theoretically revealed phenomena in spiral photonic media are discussed. The main results obtained for spiral media are qualitatively valid for photonic crystals of any nature and therefore may be applied as a guide to investigations of other photonic crystals where the corresponding theory is more complicated and demands a numerical approach. It is demonstrated that many optical phenomena occurring at the frequencies of localized modes reveal unusual properties which can be used for efficient applications of the corresponding phenomena, efficient frequency conversion and low threshold lasing, e.g. For the convenience of the reader, an introduction is given to conventional linear and nonlinear optics of structured periodic media. This book is valuable to researchers, postgraduate, and graduate students active in theoretical and experimental physics in the field of interaction of radiation with condensed matter.

ISBN: 9783319434827$q(electronic bk.)

Standard No.: 10.1007/978-3-319-43482-7doiSubjects--Topical Terms:

194903
Diffraction.

LC Class. No.: QC415 / .B455 2019

Dewey Class. No.: 535.42

Diffraction optics of complex-structured periodic medialocalized optical modes of spiral media /
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505 0 $a Introduction -- Waves in Media with One-Dimensional Periodicity (Exact Solution) -- Approximate Description of Interaction of Radiation with Regular Media -- Nonlinear Optics of Periodic Media -- Optics of Chiral Liquid Crystals -- Edge Modes in Photonic Liquid Crystals -- Low Threshold DFB Lasing in Chiral Liquid Crystals -- Optical Defect Modes in Chiral Liquid Crystals -- Optical Defect Modes at an Active Defect Layer in Photonic Liquid Crystals -- Localized Modes in Optics of Photonic Liquid Crystals with Local Anisotropy of Absorption -- Localized Modes and Enhancement of Some Optical Phenomena in Photonic Media.
520 $a This book presents recent theoretical and experimental results of localized optical modes and low-threshold lasing in spiral photonic media. Efficient applications of localized modes for low-threshold lasing at the frequencies of localized modes are a central topic of the book's new chapters. Attention is paid to the analytical approach to the problem. The book focuses on one of the most extensively studied media in this field, cholesteric liquid crystals. The chosen model, in the absence of dielectric interfaces, allows to remove the problem of polarization mixing at surfaces, layers and defect structures. It allows to reduce the corresponding equations to the equations for light of diffracting polarization only. The problem concentrates then on the edge and defect optical modes. The possibility to reduce the lasing threshold due to an anomalously strong absorption effect is presented theoretically for distributed feedback lasing. It is shown that a minimum of the threshold-pumping wave intensity can be reached for the pumping wave frequency coinciding with the localized mode frequency (what can be reached for a pumping wave propagating at a certain angle to the helical axes) Analytic expressions for transmission and reflection coefficients are presented. In the present second edition, experimental observations of theoretically revealed phenomena in spiral photonic media are discussed. The main results obtained for spiral media are qualitatively valid for photonic crystals of any nature and therefore may be applied as a guide to investigations of other photonic crystals where the corresponding theory is more complicated and demands a numerical approach. It is demonstrated that many optical phenomena occurring at the frequencies of localized modes reveal unusual properties which can be used for efficient applications of the corresponding phenomena, efficient frequency conversion and low threshold lasing, e.g. For the convenience of the reader, an introduction is given to conventional linear and nonlinear optics of structured periodic media. This book is valuable to researchers, postgraduate, and graduate students active in theoretical and experimental physics in the field of interaction of radiation with condensed matter.
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