Optical Sensors

Final Thoughts

Authored by: José Luís Santos , Faramarz Farahi

Handbook of Optical Sensors

Print publication date:  October  2014
Online publication date:  October  2014

Print ISBN: 9781439866856
eBook ISBN: 9781439866863
Adobe ISBN:

10.1201/b17641-26

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Abstract

Previous chapters have covered a broad range of technologies and applications in the general field of optical sensing. Section I is dedicated to an introduction to optical sensing with Chapters 1 and 2 on the fundamentals of optical sensors and the principles of optical metrology. Section II addresses optical measurement principles and techniques, which, after Chapter 3, focused on the role of optical waveguides in sensing. Chapters 4 through 7 detail how this functionality can be achieved via intensity, interferometric, fluorescence, and plasmonic approaches, followed by Chapters 8 through 10, which focused on wavefront sensing and adaptive optics, multiphoton microscopy, and imaging based on optical coherence tomography. Section III is dedicated specifically to the field of optical fiber sensing. In Chapter 11, a historic overview of the subject is presented, followed by one on different types of optical fibers (Chapter 12), light propagating principles, fabrication techniques, and their main characteristics. Chapters 13 and 14 have focused on fiber sensing based on light intensity and phase modulation, followed by Chapters 15 and 16 describing multipoint measurements and distributed sensing. Due to importance of fiber Bragg grating (FBGs) in the field of optical sensors, Chapter 17 is dedicated to this topic followed by Chapter 18 on chemical sensors. Section III ends with two chapters (Chapters 19 and 20) describing some applications of fiber sensors and issues related to standardization and its impact on measurement reliability.

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