The Chinese version of this book is revised on the basis of the Eleventh Five-Year National Planning text-book Theory and Application of Information Optics (3rd edition), which systematically introduces the basictheory and related applications of information optics. The book consists of ten chapters, including two-dimen-sional Fourier analysis, scalar diffraction theory, frequency characteristics of optical imaging system, partialcoherence theory, optical holography, spatial filtering, coherent optical processing, incoherent optical process-ing, application of information optics in metrology and optical communication, etc.
This book is rich in content and novel in material selection. It not only systematically introduces the basictheory, but also takes into account the current development of theory and technology, and emphasizes the com-bination of theory and application. The second edition of the Chinese version has been appraised as "2009 ex-cellent textbook of general higher education" by the Ministry of Education. The third edition made a lot of re-visions to second edition, overall characteristics of the original book, and has separated the problem solvingpart from the original book, and supplemented the thinking problems solving part, and has become an inde-pendent book. In preparation for the fourth edition of the Chinese version and its English version, the authoralso made a comprehensive revision of the third edition of the original book. In order to meet the needs of bilin-gual teaching in key universities, the author tries to make the contents of the Chinese version and the Englishversion consistent, so as to facilitate students' reference.
The readers of this book are senior undergraduates and postgraduates majoring in optics, optical engineer-ing, optoelectronics, optical information science and technology, applied physics, precision instruments, etc.It can also be used as a reference book for engineers and technicians of related majors.

Chapter 1 Two-dimensional Fourier Analysis
1.1 Frequently-used Several Non-elementary Functions in Optics
1.1.1 Rectangle Function
1.1.2 sinc Function
1.1.3 Step Function
1.1.4 Signum Function
1.1.5 Triangle Function
1.1.6 Gaussian Function
1.1.7 Circle Function
2 δ Function
1.2.1 Definition of δ Function
1.2.2 Physical Meaning of δ Function
1.2.3 Properties of δ Function
1.2.4 Comb Function
1.3 Convolution
1.3.1 The Introduction of Convolution Concept
1.3.2 Definition of Convolution
1.3.3 Physical and Geometric Significance of Convolution
1.3.4 Operational Properties of Convolution
1.3.5 Examples of Convolution Operation
1.4 Correlation
1.4.1 Cross-Correlation
1.4.2 Autocorrelation
1.4.3 Operation Examples of Correlation
1.4.4 Correlation of Finite Power Function
1.5 Basic Concept of Fourier Transform
1.5.1 Definition of Two-dimensional Fourier Transform
1.5.2 The Existence Condition
1.5.3 Generalized Fourier Transform
1.5.4 Properties of Fourier Transform of Virtual, Real, Odd and Even Functions
1.5.5 Fourier Transform as Decomposition
1.6 Basic Theorems of Two-Dimensional Fourier Transform
1.7 Fourier-Bessel Transform
1.7.1 Transform of Separable Variable Function
1.7.2 Functions with Circular Symmetry: Fourier-Bessel Transform
1.8 Frequently Used Fourier Transform Pairs
1.9 Linear Systems and Linear Spatial Invariant Systems
1.9.1 Operator Representation of System
1.9.2 Significance of Linear System
1.9.3 Inpluse Response Function and Superposition Integral
1.9.4 Linear Spatially Invariant System(LST) Transfer Function
1.9.5 Eigenfunction of Linear Spatially Invariant Systems
1.9.6 LSI Cascade System
1.10 Two-Dimensional Sampling Theorem
1.10.1 Sampling Representation of Image Function
1.10.2 Nyquist Criterion
1.10.3 Restoration of Original Functions
1.10.4 Space-Bandwidth Product
Emphasis of This Chapter
Thinking Questions
Exercises
References in This Chapter
Chapter 2 Scalar Diffraction Theory
2.1 Introduction
2.2 Kirehhoff Diffraction Theory
2.2.1 Mathematical Preparatory Knowledge
2.2.2 Kirchhoff Formula for Planar Diffraction Screen
2.2.3 Fresnel-Kirchhoff Diffraction Formula
2.2.4 Diffraction Formula and Superposition Integral
2.3 Frequency Domain Expression of Diffraction Law
2.3.1 Description of Diffraction Law in Frequency Domain
2.3.2 Propagation Phenomenon as a Linear Spatial Filter
2.3.3 Effect of Angular Spectrum of Diffraction Aperture
Chapter 3 Frequency Characteristics of Optical Imaging Systems
Chapter 4 Partial Coherence Theory
Chapter 5 Optical Holography
Chapter 6 Spatial Filtering
Chapter 7 Coherent Optical Processing
Chapter 8 Incoherent Optical Processing
Chapter 9 Application of Information Optics in Metrology
Chapter 10 Application of Information Optics in Optical Communication
Appendix Bessel Function Relation Table