Title :
The Effect of Multiple Transverse Modes in Self-Mixing Sensors Based on Vertical-Cavity Surface-Emitting Lasers
Author :
Tucker, J.R. ; Rakic, A.D. ; Zvyagin, A.V. ; O´Brien, C.J.
Author_Institution :
Sch. of Inf. Technol. & Electr. Eng., Queensland Univ., Brisbane, Qld.
Abstract :
In this work we investigate the effect of multiple transverse modes, such as those found in vertical-cavity surface-emitting lasers, in self-mixing sensors. We show that the sensitivity of the system and the accuracy of the measurement changes periodically with target distance
Keywords :
laser cavity resonators; laser modes; optical sensors; remote sensing by laser beam; semiconductor lasers; surface emitting lasers; measurement accuracy; multiple transverse modes; self-mixing sensors; semiconductor lasers; system sensitivity; target distance; vertical-cavity surface-emitting lasers; Laser feedback; Laser modes; Laser noise; Laser theory; Optical feedback; Optical sensors; Power lasers; Semiconductor lasers; Surface emitting lasers; Vertical cavity surface emitting lasers; VCSEL; backscatter modulation; multiple transverse modes; optical feedback; self-mixing;
Conference_Titel :
Optoelectronic and Microelectronic Materials and Devices, 2004 Conference on
Conference_Location :
Brisbane, Qld.
Print_ISBN :
0-7803-8820-8
DOI :
10.1109/COMMAD.2004.1577556
