Fiber-optic evanescent field absorption sensor

Paul, Phillip H.; Kychakoff, George
July 1987
Applied Physics Letters;7/6/1987, Vol. 51 Issue 1, p12
Academic Journal
Waveguide evanescent field absorption has been measured as a function of cladding refractive index and bulk absorption coefficient. A simple theory for interpreting these results has been developed. An all-fiber species concentration sensor has been constructed and its performance characterized.


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