๐”– Bobbio Scriptorium
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Measurement of small oscillations with the help of a femtosecond laser

โœ Scribed by E. V. Baklanov; V. I. Denisov; N. Beverini; G. Carelli

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
137 KB
Volume
1
Category
Article
ISSN
1612-2011

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โœฆ Synopsis

The possibility of measuring small harmonic surface
oscillations with the help of a femtosecond laser is analyzed. It
is shown that the large number of laser radiation modes allows a
considerable increase in the signal-to-noise ratio. The
potentialities of the method make possible to increase this ratio
by a factor of N, where N is the number of laser radiation modes.
The sensitivity improvement provides a decrease of the measurement
time, which is important in many practical applications.

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## Abstract Using the method of unidirectional waves, we numerically solve a wave equation that describes the vector propagation of a femtosecond laser pulse of few optical cycles in a uniaxial crystal. Propagation of the pulse in the direction normal to the optical axis is studied, taking into acc