Spectrometric Techniques

Contents

List of Contributors

Preface

Chapter 1 High Resolving Power Fourier Spectroscopy

1.1 Introduction

1.2 Spectral Resolution

1.3 Interferogram Sampling

1.4 Signal-to-Noise Ratio

1.5 Interferometer

1.6 Implementation of Data Measurement

1.7 Computations

1.8 Conclusions

References

Chapter 2 Field-Widened Interferometers for Fourier Spectroscopy

2.1 Introduction

2.2 Field-of-View Considerations

2.3 Methods of Field Compensation

2.4 Summary and Applications

References

Chapter 3 Applications of Fourier Transform Spectroscopy

3.1 Introduction

3.2 Transmission Studies of Solids

3.3 Transmission Studies of Liquids

3.4 Transmission Studies of Gases

3.5 Reflection Studies

3.6 ATR Studies of Surfaces

3.7 Emission Studies

3.8 Planetary Atmospheres and Astronomy

3.9 Asymmetric Interferometry and Measuring Complex Indices of Refraction

3.10 Relaxation Phenomenon

3.11 Industrial Applications

3.12 Conclusions and Comments

References

Chapter 4 Cryogenic Instrumentation

4.1 Introduction

4.2 Advantages of Cryogenic Instrumentation

4.3 Cryogenic Instruments

4.4 Conclusions

Appendix A

References

Chapter 5 Hadamard-Transform Spectroscopy

5.1 Introduction

5.2 What Is Hadamard-Transform Spectrometry?

5.3 Theory of Hadamard Spectrometers

5.4 Sources of Noise : Effect on Transform Spectrometers

5.5 Some Practical Considerations

5.6 Epilogue

References

Chapter 6 Measurements of Infrared Transient Phenomena

List of Symbols

6.1 Introduction

6.2 Experimental Conditions

6.3 Excitation Sources

6.4 Conventional Time-Resolved Techniques

6.5 Time Resolution in Fourier Spectroscopy

References

Chapter 7 Calibration Techniques

7.1 Introduction

7.2 Field Radiometric Quantities

7.3 Sensor Response Definitions

7.4 Response-Weighted Radiometric Quantities

7.5 The Normalized Transfer Function

7.6 Angular Response Calibration

7.7 Spectral Response Calibration

7.8 Absolute Calibration

7.9 Conversion of Sensor Outputs to Field Quantities

References

Appendix Performance and Characteristics of Commercially Available Instruments

A.l Introduction

A.2 Fourier-Transform Spectrometers

A.3 Hadamard-Transform Spectrometers

A.4 Circular Variable Filter Radiometers

A.5 Cryogenically Cooled Spectrometers

A.6 Constant Energy Output Monochromator

A.7 Electronically Tunable Filters

Index