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Munin - Open Research Archive
Article . 2017 . Peer-reviewed
https://doi.org/10.1109/ultsym...
Article . 2017 . Peer-reviewed
Data sources: Crossref
https://doi.org/10.1109/ultsym...
Article . 2017 . Peer-reviewed
Data sources: Crossref
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Chirp coded ultrasonic pulses used for scanning acoustic microscopy

Authors: Habib, Anowarul; Melandsø, Frank;

Chirp coded ultrasonic pulses used for scanning acoustic microscopy

Abstract

Ferroelectric polymers like polyvinylidenefluoride (PVDF) and its copolymer with trifluoroethylene [P(VDF-TrFE)] are widely used in sensor and transducer applications. Good acoustic match to many materials (e.g. water, polymers, and human tissue) and high chemical stability make these materials suitable for ultrasonic applications, especially in the high frequency end (20 MHz-1 GHz). The current work focuses on high frequency P(VDF-TrFE) transducers in combination with chirped pulse coding for scanning acoustic microscopy (SAM). SAM systems typically apply short high voltage square pulses to excite the transducer. The aim of this work has therefore been to investigate experimentally how longer chirped pulses can be used to improve the image quality in SAM systems. Chirped signals are commonly used e.g., in sonar, radar, and optical systems, and also ultrasonic systems involving standard frequencies.

Keywords

VDP::Mathematics and natural science: 400::Physics: 430::Electromagnetism, acoustics, optics: 434, VDP::Matematikk og Naturvitenskap: 400::Fysikk: 430::Elektromagnetisme, akustikk, optikk: 434, acoustic imaging

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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