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Acoustic MicroscopySecond Edition$
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Andrew Briggs and Oleg Kolosov

Print publication date: 2009

Print ISBN-13: 9780199232734

Published to Oxford Scholarship Online: February 2010

DOI: 10.1093/acprof:oso/9780199232734.001.0001

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Electronic circuits for quantitative microscopy

Electronic circuits for quantitative microscopy

Chapter:
(p.61) 5 Electronic circuits for quantitative microscopy
Source:
Acoustic Microscopy
Author(s):

G. A. D. Briggs

O. V. Kolosov

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199232734.003.0005

In order to select only the echo from the sample and eschew unwanted echoes, short pulses must be used, but the shorter the pulse in the time domain, the wider the bandwidth in the frequency domain. Quasi‐monochromatic circuits for quantitative acoustic microscopy enable you to have your cake and eat it, by selecting a single frequency in the comb which results from the repetitive nature of the pulses. If the highest possible timing resolution is needed very short broadband pulses can be generated, but the majority of quantitative applications require a well‐defined acoustic frequency.

Keywords:   time domain, frequency domain, quasi‐monochromatic, quantitative, short pulse

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