Title :
Profiling the change in refractive index using the self-mixing effect in lasers
Author :
Ross-Conley, F. ; Bertling, K. ; Lim, Yah ; Bradley, Andrew P. ; Rakic, A.D.
Author_Institution :
Sch. of Inf. Technol. & Electr. Eng., Univ. of Queensland, Brisbane, QLD, Australia
Abstract :
In this paper we present a novel method for measuring change in real refractive index using the self-mixing effect in a semiconductor laser. The polished flat tip of a graded index multimode fiber was imaged and the changes observed attributed to the change in refractive index.
Keywords :
gradient index optics; measurement by laser beam; optical fibre testing; refractive index measurement; semiconductor lasers; graded index multimode fiber; polished flat tip; real refractive index; self-mixing effect; semiconductor laser; Fiber lasers; Indexes; Optical fibers; Refractive index; Semiconductor device measurement; Vertical cavity surface emitting lasers;
Conference_Titel :
Optoelectronic and Microelectronic Materials & Devices (COMMAD), 2012 Conference on
Conference_Location :
Melbourne, VIC
Print_ISBN :
978-1-4673-3047-3
DOI :
10.1109/COMMAD.2012.6472372
