2004
DOI: 10.1364/ol.29.002509
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Detection of ultrasound-modulated photons in diffuse media using the photorefractive effect

Abstract: Ultrasound-modulated optical tomography is a dual-wave sensing technique in which diffusive light in a turbid medium interacts with an imposed acoustic field. A phase-modulated photon field emanates from the interaction region and carries with it information about the optomechanical properties of the medium. We present a technique for detection of ultrasound-induced optical phase modulation using an adaptive, photorefractive-crystal-based interferometry system. Experimental results are presented demonstrating … Show more

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Cited by 135 publications
(137 citation statements)
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“…Kim et al used ring-shaped light illumination [24] and intense acoustic bursts [25] to enhance ultrasound-modulated optical signals. Murray et al used a photorefractive crystal-based interferometry system to improve the efficiency with which ultrasound-tagged photons were detected [26] . Li et al used spectral hole burning as a narrowband spectral filter for unmodulated light [27] .…”
Section: -3mentioning
confidence: 99%
“…Kim et al used ring-shaped light illumination [24] and intense acoustic bursts [25] to enhance ultrasound-modulated optical signals. Murray et al used a photorefractive crystal-based interferometry system to improve the efficiency with which ultrasound-tagged photons were detected [26] . Li et al used spectral hole burning as a narrowband spectral filter for unmodulated light [27] .…”
Section: -3mentioning
confidence: 99%
“…За последние годы возникло довольно большое ко-личество интерферометрических приложений, требую-щих регистрации отклика среды на колебательное воз-действие [1][2][3][4][5][6][7]. Использование фоторефрактивных кри-сталлов в таких приложениях обеспечивает достаточ-но высокую чувствительность, возможность работы со сложными волновыми фронтами, а также адаптивность интерферометра.…”
Section: Introductionunclassified
“…At present, the development of effective detection systems is the subject of intense research. [3][4][5][6][7][8][9][10] Also, the exact nature of the ultrasound-modulation of light in a highly optically scattering medium is still not totally understood due to the complicated light-ultrasound interaction in the presence of optical scatterers. Similarly to dynamic light scattering by scatterers undergoing Brownian motion, 11 dynamic scattering by optical scatterers oscillating in an ultrasound field causes optical frequency shifts.…”
Section: Introductionmentioning
confidence: 99%