Written by an award-winning leader in the field, this is a thoroughly integrated overview of the many facets and disciplines of optical scanning. Of particular utility to both practitioner and student are such features as:
- An overview of the technology and unifying principles, including active and passive scanning, optical transfer, and system architecture
- In-depth chapters on scanning theory and processes, scanned resolution, scanner devices and techniques, and the control of scanner beam misplacemen
- A comprehensive review of the government-sponsored research of agile beam steering, now primed for commercial adaptation
- A unique focus on the Lagrange invariant and its revealing resolution invariant
Preface xi
1 INTRODUCTION-TECHNOLOGY OVERVIEW AND UNIFYING PRINCIPLES 1
1.1 Optical Scanning Characteristics and Disciplines 1
1.2 Active and Passive Scanning 3
1.3 Input, Output, and Remote Sensing Systems 8
1.4 Optical and Resolution Invariants; Optical Transfer 9
1.5 System Architecture 12
2 SCANNING THEORY AND PROCESSES 19
2.1 The Point Spread Function and Its Convolution 19
2.2 Quantized or Digitized Scan 27
2.3 Gaussian Beam Propagation 31
2.4 Scanned Quality Criteria and the Modulation Transfer Function 37
3 SCANNED RESOLUTION 45
3.1 Influence and Significance of Scanned Resolution 45
3.2 Aperture Shape Factor 50
3.3 The Resolution Equation, the Resolution Invariant, and Beam Propagation 54
3.4 Augmented Resolution 56
3.5 Resolution in Passive and Remote Sensing Systems 61
4 SCANNER DEVICES AND TECHNIQUES 63
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