Title :
Optical temperature sensor on the base of slot waveguide with LC filling
Author :
Goncharenko, Igor ; Marciniak, Marian
Author_Institution :
Inst. for Command Eng. of the Minist. of Emergencies, Minsk, Belarus
Abstract :
We consider design methods and principles of operation of an optical sensor for temperature measurement, which is based on ring microresonator made of slot and double-slot waveguides with LC filling. Guiding properties of a slot waveguide and, consequently, resonance condition of the microresonator depend on refractive index of the LC filling the slot. LC index changes with the temperature variation, thus resulting in variation of effective index of the slot waveguide. The measurement range and sensitivity of the sensor can be changed by modification of the waveguide and microresonator parameters, such as strip and slot width, ring radius, coupling coefficients, etc.
Keywords :
liquid crystals; micromechanical resonators; optical design techniques; optical sensors; optical waveguides; refractive index; temperature measurement; temperature sensors; LC filling; LC index; optical design method; optical temperature sensor; refractive index; resonance condition; ring microresonator; sensor sensitivity; slot waveguide; temperature measurement; Microcavities; Optical sensors; Optical waveguides; Strips; Temperature measurement; Temperature sensors; liquid crystal; method of lines; microring resonator; optical sensor; resonant frequency; slot waveguide;
Conference_Titel :
Transparent Optical Networks (ICTON), 2012 14th International Conference on
Conference_Location :
Coventry
Print_ISBN :
978-1-4673-2228-7
Electronic_ISBN :
2161-2056
DOI :
10.1109/ICTON.2012.6253888
