Optical Signal Processing

Contents

Chapter 1.   Basic Signal Parameters

1.1    Introduction

1.2    Characterization of a General Signal

1.2.1.    By Bandwidth

1.2.2.    By Time

1.2.3.    By Sample Interval

1.2.4.    By Number of Samples

1.2.5.    By Number of Amplitude Levels or Signal Features

1.2.6.    By Degrees of Freedom

1.3    The Sample Function

1.4    Examples of Signals

1.5    Spatial Signals

Chapter 2.    Geometrical Optics

2.1    Introduction

2.2    Refractive Index and Optical Path

2.3    Basic Laws of Geometrical Optics

2.3.1.    Law of Reflection

2.3.2.    Law of Refraction

2.3.3.    Fermat’s Principle

2.3.4.    The Critical Angle

2.4    Refraction by Prisms

2.4.1.    Minimum Deviation Angle

2.4.2.    Dispersion by a Prism

2.4.3.    Beam Magnification by a Prism

2.4.4.    Counter-Rotating Prisms

2.4.5.    The Wobble Plate

2.5    The Lens Formulas

2.5.1.    The Sign Convention

2.5.2.    Refraction at a Curved Surface

2.5.3.    The Refraction Equation for Combined Surfaces

2.5.4.    The Condenser Lens Configuration

2.5.5.    The Collimating Lens Configuration

2.5.6.    Principal Planes

2.5.7.    Thin-Lens Systems

2.5.8.    Afocal or Telescopic Configurations

2.6    The General Imaging Condition

2.6.1.    Ray Tracing

2.6.2.    Lateral Magnification

2.6.3.    The Principal Pupil Ray

2.7    The Optical Invariant

2.7.1.    Magnification Revisited

2.7.2.    Spatial Resolution

2.7.3.    Space Bandwidth Product

2.7.4.    Matching the Information Capacity of System Components

2.8    Classification ...