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Record Nr. |
UNINA9910143424303321 |
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Autore |
Frejlich Jaime <1946-> |
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Titolo |
Photorefractive materials [[electronic resource] ] : fundamental concepts, holographic recording and materials characterization / / Jaime Frejlich |
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Pubbl/distr/stampa |
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Hoboken, N.J., : Wiley-Interscience, c2007 |
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ISBN |
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1-280-72168-5 |
9786610721689 |
0-470-08906-7 |
0-470-08905-9 |
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Descrizione fisica |
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1 online resource (335 p.) |
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Disciplina |
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Soggetti |
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Crystal optics |
Photorefractive materials |
Electronic books. |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references (p. 293-303) and index. |
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Nota di contenuto |
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PHOTOREFRACTIVE MATERIALS; CONTENTS; LIST OF FIGURES; LIST OF TABLES; PREFACE; ACKNOWLEDGMENTS; I FUNDAMENTALS; 1 ELECTRO-OPTIC EFFECT; 1.1 Light propagation in crystals; 1.1.1 Wave propagation in anisotropic media; 1.1.2 General wave equation; 1.1.3 Index ellipsoid; 1.2 Tensorial Analysis; 1.3 Electro-optic effect; 1.3.1 Sillenite-type crystal; 1.3.2 Lithium niobate; 1.3.3 KDP-(KH(2)PO(4)); 1.4 Concluding Remarks; 2 PHOTOACTIVE CENTERS AND PHOTOCONDUCTIVITY; 2.1 Photoactive centers: Deep and shallow traps; 2.1.1 Cadmium telluride; 2.1.2 Sillenite-type crystals; 2.1.3 Lithium niobate |
2.2 Photoconductivity2.2.1 Localized states: traps and recombination centers; 2.2.2 Theoretical models; 2.2.2.1 One-center model; 2.2.2.1.1 Steady state under uniform illumination; 2.2.2.2 Two-center/one-charge carrier model; 2.2.2.2.1 Steady state under uniform illumination; 2.2.2.2.2 Light-induced absorption; 2.2.2.3 Dark conductivity and dopants; 2.2.3 Photoconductivity in bulk material; 2.3 |
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Photochromic effect; 2.3.1 Transmittance with light-induced absorption; II HOLOGRAPHIC RECORDING; 3 RECORDING A SPACE-CHARGE ELECTRIC FIELD; 3.1 Index of refraction modulation; 3.2 General formulation |
4.1.1 Out of Bragg condition4.2 Dynamic coupled wave theory; 4.2.1 Combined phase-amplitude stationary gratings; 4.2.1.1 Fundamental properties; 4.2.1.2 Irradiance; 4.2.2 Pure phase grating; 4.2.2.1 Time evolution; 4.2.2.1.1 Undepleted pump approximation; 4.2.2.1.2 Response time with feedback; 4.2.2.2 Stationary hologram; 4.2.2.2.1 Diffraction; 4.2.2.3 Steady-state nonstationary hologram with bulk absorption; 4.2.2.3.1 Diffraction efficiency; 4.2.2.3.2 Output beams phase shift; 4.3 Phase modulation; 4.3.1 Phase Modulation in dynamically recorded gratings |
4.3.1.1 Phase modulation in the signal beam4.3.1.1.1 Unshifted hologram; 4.3.1.1.2 Shifted hologram; 4.3.1.2 Output phase shift; 4.4 Four-wave mixing; 4.5 Final remarks; 5 ANISOTROPIC DIFFRACTION; 5.1 Coupled wave with anisotropic diffraction; 5.2 Anisotropic diffraction and optical activity; 5.2.1 Diffraction efficiency with optical activity ρ; 5.2.2 Output polarization direction; 6 STABILIZED HOLOGRAPHIC RECORDING; 6.1 Introduction; 6.2 Mathematical formulation; 6.2.1 Stabilized stationary recording; 6.2.1.1 Stable equilibrium condition |
6.2.2 Stabilized recording of running (nonstationary) holograms |
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Sommario/riassunto |
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Photorefractive Materials presents an overview of the basic features and properties of photorefractive materials, covering a wide array of related topics. It provides a coherent approach suitable for introductory and advanced students seeking to learn or review the fundamentals, as well as senior researchers who need a reference while investigating more specialized areas. |
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2. |
Record Nr. |
UNINA9910702326503321 |
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Titolo |
The Small Business Administration's improper payment rate for 7(a) guaranty purchases remains significantly underestimated |
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Pubbl/distr/stampa |
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Washington, D.C. : , : U.S. Small Business Administration, Office of Inspector General, , 2012 |
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Descrizione fisica |
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1 online resource (44 pages) : color illustrations |
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Collana |
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Soggetti |
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Payment - Government policy - United States |
Waste in government spending - United States |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from title screen (viewed on Dec. 31, 2012). |
"November 15, 2012." |
"Performance Audit Report." |
"For Official Use Only." |
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Nota di bibliografia |
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Includes bibliographical references. |
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