Title :
Measurement of small surface displacements by femtosecond laser methods
Author :
Baklanov, E.V. ; Denisov, V.I. ; Kuznetsov, S.A. ; Pivtsov, V.S.
Author_Institution :
Inst. of Laser Phys., Acad. of Sci., Novosibirsk, Russia
Abstract :
Theoretical and experimental investigations of the measurement of small harmonic surface oscillations with the help of a femtosecond laser are presented. It is shown that the large number of laser radiation modes allows a considerable increase in the signal-to-noise ratio.
Keywords :
displacement measurement; high-speed optical techniques; laser modes; measurement by laser beam; optical harmonic generation; femtosecond laser method; laser radiation mode; signal-to-noise ratio; small harmonic surface oscillation; small surface displacement measurement; Band pass filters; Displacement measurement; Extraterrestrial measurements; Frequency; Laser modes; Laser theory; Photodetectors; Surface emitting lasers; Time measurement; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1549044