Title :
An electrical tunable liquid crystal Fabry-Perot cell for a miniaturized 3D surface scanning profilometer
Author :
Park, Chang-Sub ; Park, Kyung-Woo ; Kang, Shin-Won ; Kim, Hak-Rin
Author_Institution :
Dept. of Sensor & Display Eng., Kyungpook Nat. Univ., Daegu, South Korea
Abstract :
We demonstrated a miniaturized optical profilometer of surface scanning manner by using an electrically tunable liquid crystal Fabry-Perot cell. The surface profile of the fringe patterns is explained by the resonance mode analysis of the interference patterns.
Keywords :
Fabry-Perot interferometers; liquid crystal devices; optical instruments; surface topography measurement; 3D surface scanning profilometer; fringe patterns; interference patterns; liquid crystal Fabry-Perot cell; resonance mode analysis; surface profile; Biomedical optical imaging; Fabry-Perot; Geometrical optics; Liquid crystal displays; Liquid crystals; Optical distortion; Optical modulation; Optical refraction; Optical sensors; Optical variables control;
Conference_Titel :
LEOS Annual Meeting Conference Proceedings, 2009. LEOS '09. IEEE
Conference_Location :
Belek-Antalya
Print_ISBN :
978-1-4244-3680-4
Electronic_ISBN :
1092-8081
DOI :
10.1109/LEOS.2009.5343466
