Title :
High sensitivity pulsed laser vibrometer for surface vibration monitoring
Author :
Rodriguez, Ponciano ; Trivedi, Sudhir ; Jin, Feng ; Lorenzo, Jose ; Wang, Chen-Chia ; Chen, Zhongyang ; Khurgin, Jacob ; Libbey, Brad ; Habersat, James
Author_Institution :
INAOE, Puebla
Abstract :
We present a sensitive laser vibrometer using a photo-electromotive force (photo-EMF) sensor and a pulsed light source. This system demonstrates real-time vibration detection on rough surfaces with displacements as small as 180 pm.
Keywords :
light sources; measurement by laser beam; photodetectors; rough surfaces; vibration measurement; high-sensitivity pulsed laser vibrometer; photo-electromotive force sensor; pulsed light source; real-time vibration detection; rough surfaces; surface vibration monitoring; Holographic optical components; Laser beams; Monitoring; Optical interferometry; Optical pulse generation; Optical pulses; Rough surfaces; Surface emitting lasers; Surface roughness; Vibrometers; (090.2880) Holographic interferometry; (120.7280) Vibration analysis;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4627774
