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DTSTART:20230312T030000
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DTSTART:20231105T010000
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DTSTAMP:20230330T180614Z
UID:87F19642-F4E5-49B2-A353-4A9E870C48C7
DTSTART;TZID=America/Denver:20230330T110000
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DESCRIPTION:Swept Frequency Acoustic Interferometry (SFAI) was developed sp
 ecifically to identify highly toxic chemicals inside sealed munitions almo
 st two decades ago. SFAI is based on setting up standing waves (resonance)
  inside a fluid-filled (liquid\, mixture\, suspension\, emulsions\, gas et
 c.\,) container. These resonances are typically observed over a wide range
  of ultrasonic frequency in the form of a spectrum that contains informati
 on on a large number of physical properties (sound speed\, sound absorptio
 n\, density\, viscosity\, and acoustic nonlinearity). So\, a single spectr
 um can provide multiple measurements at the same time. There are several w
 ays SFAI can be implemented in practice and there are many applications of
  this technique in different fields. SFAI at low power can be used as a pr
 obing technique to characterize fluids in a noninvasive manner. However\, 
 at higher power\, SFAI can be used for ultrasonic manipulation of particle
 s in a host medium and create artificially engineered materials. I will de
 scribe the SFAI technique and how it can be used in practice for various a
 pplications.\n\nSpeaker(s): Dr. Dipin SINHA\, \n\nJRO 1&2- JR Oppenheimer 
 Center\, Los Alamos\, New Mexico\, United States\, 87545
LOCATION:JRO 1&2- JR Oppenheimer Center\, Los Alamos\, New Mexico\, United 
 States\, 87545
ORGANIZER:makaruk@hughes.net
SEQUENCE:1
SUMMARY:Swept Frequency Acoustic Interferometry and its Applications
URL;VALUE=URI:https://events.vtools.ieee.org/m/354747
X-ALT-DESC:Description: <br /><p>Swept Frequency Acoustic Interferometry (S
 FAI) was developed specifically to identify highly toxic chemicals inside 
 sealed munitions almost two decades ago. SFAI is based on setting up stand
 ing waves (resonance) inside a fluid-filled (liquid\, mixture\, suspension
 \, emulsions\, gas etc.\,) container. These resonances are typically obser
 ved over a wide range of ultrasonic frequency in the form of a spectrum th
 at contains information on a large number of physical properties (sound sp
 eed\, sound absorption\, density\, viscosity\, and acoustic nonlinearity).
  So\, a single spectrum can provide multiple measurements at the same time
 .&nbsp\; There are several ways SFAI can be implemented in practice and th
 ere are many applications of this technique in different fields. SFAI at l
 ow power can be used as a probing technique to characterize fluids in a no
 ninvasive manner.&nbsp\; However\, at higher power\, SFAI can be used for 
 ultrasonic manipulation of particles in a host medium and create artificia
 lly engineered materials. I will describe the SFAI technique and how it ca
 n be used in practice for various applications.</p>
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