Page 14 - Photoreactive Organic Thin Films

CONTENTS xifi

15.2 Photocontrol of Liquid Motion by Azobenzene Monolayers 489
15.2.1 Molecular Design and Preparation of Azobenzene
Monolayers 490
15.2.2 Spreading/Retraction Motion of Liquid Droplets 491
15.2.3 Displacement of Liquids 492
15.2.4 Outlook 495
15.3 Photocontrol of Polymer Chain Organizations 495
15.3.1 Polydiacetylene 495
15.3.2 Polysilane 497
15.4 Photoinduced Motions and Mass Migrations 500
15.4.1 Photomechanical Effects in Azobenzene Polymer
Monolayers 500
15.4.2 Large Mass Migration 505
15.5 Concluding Remarks 508

16 3D Data Storage and Near-Field Recording
YOSHIMASA KAWATAAND SATOSHI KAWATA

16.1 Introduction 514
16.2 Bit-Oriented 3D Memory 514
16.3 Photochromic Materials for 3D Optical Memory 516
16.3.1 Spirobenzopyran Derivatives 516
16.3.2 Diarylethene Derivatives 519
16.3.3 Azobenzene Derivatives 520
16.4 Recording and Readout Optics 523
16.4.1 Single-Photon Recording 523
16.4.2 Single-Beam, Two-Photon Recording 524
16.4.3 Right-Angle, Two Beams, Two-Photon Recording 524
16.4.4 Reflection Confocal Reading 525
16.4.5 Reflection Confocal Reading with Multilayered Medium 527
16.4.6 Confocal Phase-Contrast Microscope 529
16.4.7 Polarization Reading 530
16.4.8 Differential Phase-Contrast Microscope with a Split
Detector 533
16.5 Near-Field Recording 533
16.5.1 Azobenzene Derivatives for Near-Field Recording 533
16.5.2 Application of Near-Field Recording to High-Resolution
Imaging 535
16.6 Concluding Remarks 537

17 Synthesis and Applications of Amorphous Diarylethenes
TSUYOSHI KAWAIAND MASAHIRO IRIE

17,1 Quasi-Stable Amorphous Diarylethenes 542