Title :
DSB-SC phase demodulation — Application for vibration measurement
Author :
Hui-Kang Teng ; Kuo-Chen Lang
Author_Institution :
Dept. of Digital Living Innovation, Nan-Kai Univ. of Technol., Nantou, Taiwan
fDate :
June 30 2013-July 4 2013
Abstract :
A heterodyne interferometry with DSB-SC performance is presented to measure small vibration signal. The vibration induced phase is demodulated by self-mixing without a local oscillator, which is commonly employed to down-convert the high frequency signal.
Keywords :
demodulation; light interferometry; optical information processing; optical modulation; phase modulation; signal processing equipment; vibration measurement; DSB-SC phase demodulation; double sideband suppressed carrier; heterodyne interferometry; high frequency signal downconversion; self-mixing demodulation; small vibration signal; vibration measurement; Acoustic beams; Amplitude modulation; Laser beams; Optical interferometry; Semiconductor device measurement; Vibration measurement; Vibrations;
Conference_Titel :
Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2013 Conference on
Conference_Location :
Kyoto
DOI :
10.1109/CLEOPR.2013.6600578
