Page 10 - Photoreactive Organic Thin Films

CONTENTS Jx

7.5 Recognition Phenomena at Surfaces Using Photoisomerizable Guest or
Host Components 246
7.5.1 Affinity Interactions at Interfaces Using Soluble
Photoisomerizable Guest Components 246
7.5.2 Affinity Interactions at Interfaces Using Immobilized
Photoisomerizable Host Components 249
7.5.3 Reversible Bioaffinity Interactions at Photoisomerizable
Interfaces 249
7.5.4 Complex Photochemical Biomolecular Switches 256
7.6 Interlocked Compounds as Mechanical Components at
Photoisomerizable Interfaces 258
7.7 Conclusions 258

HIM PHOTOCHEMISTRY AND ORGANIC NONLINEAR
OPTICS

8 Photoisomerization Effects in Organic Nonlinear Optics:
Photo-Assisted Poling and Depoling and Polarizability
Switching
ZOUHEIR SEKKAT

8.1 Introduction 272
8.2 Photo-Assisted Poling 272
8.3 Photo-Induced Depoling 278
8.4 Polarizability Switching by Photoisomerization 280
8.5 Conclusion 283
APPENDIX 8A From Molecular to Macroscopic Nonlinear Optical
Properties 284

9 Photoisomerization in Polymer Films in the Presence of
Electrostatic and Optical Fields
ANDRE KNOESEN

9.1 Introduction 289
9.2 Photoisomerization and Nonlinear Polarizability 289
9.3 Alignment of Isomers in Polymers with Electric Fields 293
9.4 Second Harmonic In-situ Investigation of Photoisomerization 297
9.5 Conclusion 303