Title :
Method for increasing the operating distance of MEMS LIDAR beyond Brownian noise limitation
Author :
Behroozpour, Behnam ; Quack, Niels ; Sandborn, Phillip ; Gerke, S. ; Weijian Yang ; Chang-Hasnain, Constance ; Wu, Ming C. ; Boser, Bernhard E.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Univ. of California, Berkeley, Berkeley, CA, USA
Abstract :
A LIDAR based on a MEMS tunable VCSEL uses resonance tuning to increase the maximum range ten-fold. A novel demodulator reduces the peak electrical beat frequency from 52GHz to 235MHz for compatibility with standard CMOS.
Keywords :
CMOS integrated circuits; integrated optics; integrated optoelectronics; laser cavity resonators; laser tuning; micro-optomechanical devices; optical radar; surface emitting lasers; Brownian noise limitation; MEMS LIDAR; MEMS tunable VCSEL; demodulator; frequency 52 GHz to 23.5 MHz; operating distance; peak electrical beat frequency; resonance tuning; standard CMOS compatibility; Frequency measurement; Frequency modulation; Laser radar; Micromechanical devices; Resonant frequency; Tuning; Vertical cavity surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
