20

Biophotonics

An Introduction

P. K. Gupta and R. Dasgupta

Raja Ramanna Centre for Advanced Technology

CONTENTS

20.1    Introduction

20.2    Light Propagation in Tissue

20.3    Optical Imaging

20.3.1    Optical Coherence Tomography

20.4    Optical Spectroscopic Diagnosis of Cancer

20.5    Photodynamic Therapy

20.6    Optical Tweezers

20.6.1    Optically Controlled Orientation/Rotation of Microscopic Objects

20.6.2    Use of Optical Tweezers for Studies On Mechanical and Spectroscopic Properties of Cells

20.7    Summary

Acknowledgement

Reference

20.1  INTRODUCTION

Biophotonics broadly deals with the interaction of photons, that is, light with biological matter. Such interaction plays an important role in our lives; photosynthesis and vision ...

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