Absolute Radiometry - 1st Edition - ISBN: 9780123408105, 9780323157865

Absolute Radiometry

1st Edition

Electrically Calibrated Thermal Detectors of Optical Radiation

Editors: F Hengstberger
eBook ISBN: 9780323157865
Imprint: Academic Press
Published Date: 28th July 1989
Page Count: 282
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Description

Absolute Radiometry: Electrically Calibrated Thermal Detectors of Optical Radiation considers the application of absolute radiometry, a technique employed in optical radiation metrology for the absolute measurement of radiant power.

This book is composed of eight chapters and begins with the principles of the absolute measurement of radiant power. The subsequent chapters provide the criteria associated with reflectance and transmittance of optical radiation and the parameters used to characterize the performance of radiation detectors. A chapter presents an analysis of the temperature distribution in a detector element. This topic is followed by discussions of the environmental and instrumental corrections in absolute radiometry. The final chapters deal with the alternative optical power scales and direct current substitution methods used in other fields of metrology.

Table of Contents


Contributors

Foreword

Preface

Acknowledgments

1 The Absolute Measurement of Radiant Power

1.1 Units and Standards of Measurement

1.2 Optical Radiometry

1.3 Absolute Radiometry

Appendix

References

Additional References

2 Absorbers of Optical Radiation

2.1 Introduction

2.2 Absorptance and Reflectance

2.3 Absorber Types

2.4 Common Absorber Materials

2.5 Summary

References

3 Thermal Detectors of Optical Radiation

3.1 Introduction

3.2 Parameters Used to Characterize the Performance of Radiation Detectors

3.3 Thermophile Detectors

3.4 Bolometric Detectors

3.5 Pyroelectric Detectors

3.6 Other Detectors

3.7 Compensating Configurations

3.8 Conclusion

References

4 Analysis of the Temperature Distribution in a Detector Element

4.1 Introduction

4.2 The Temperature Distribution in the Direction Normal to the Surface of the Detector Element

4.3 The Temperature Distribution Parallel to the Surface of the Detector Element

4.4 Guidelines for Minimizing Responsivity Variations

References

5 Environmental Corrections in Absolute Radiometry

5.1 Introduction

5.2 Diffraction

5.3 Atmospheric Absorption

5.4 Refraction

References

6 Instrumental Corrections in Absolute Radiometry

6.1 Introduction

6.2 The Responsivity of an Absolute Radiometer

6.3 A Comprehensive Theory of the Instrumental Corrections for Absolute Radiometers

6.4 Discussion of Other Correction Formulas

6.5 Correction Experiments and Calculation

6.6 Further Considerations

6.7 Conclusion

References

7 Alternative Optical Power Scales

7.1 Introduction

7.2 Blackbody Radiators

7.3 Silicon Photodiodes with a Predictable Quantum Efficiency

7.4 Synchrotron Radiation

7.5 Comparisons between Independent Optical Power Scales

References

8 DC Substitution Methods Used in Other Areas of Metrology

8.1 Introduction

8.2 Gamma-Ray and X-Ray Region

8.3 Microwave and Radio-Frequency Region

8.4 AC-DC Transfer

8.5 Particle Beams

8.6 Conclusion

References

Index

Details

No. of pages:
282
Language:
English
Copyright:
© Academic Press 1989
Published:
Imprint:
Academic Press
eBook ISBN:
9780323157865

About the Editor

F Hengstberger