The field of optical sensors is a very broad with many subdisciplines. The purpose of this chapter is to give enough information to get started on the subject and learn the basics, and to demonstrate how optical concepts described in previous chapters apply to optical sensing. Detailed descriptions of each sensing scheme can be found from available literature on various sensing subjects (see, for example, Dakin and Culshaw [1,2]). This chapter incorporates many of the principles used in the previous chapters. Although optical imaging is a form of optical sensing, it is covered in a separate chapter.
Optical sensing systems require a light source, detector, optics, and various optical components, as described in Chapter ...
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