Optical focusing deep inside dynamic scattering media with near-infrared time-reversed ultrasonically encoded (TRUE) light
Focusing light deep inside living tissue has not been achieved despite its promise to play a
central role in biomedical imaging, optical manipulation and therapy. To address this …
central role in biomedical imaging, optical manipulation and therapy. To address this …
Photorefractive acousto-optic imaging in thick scattering media at 790 nm with a Sn2P2S6:Te crystal
Acousto-optic imaging is based on ultrasound modulation of multiply scattered light in thick
media. We experimentally demonstrate the possibility to perform a self-adaptive wavefront …
media. We experimentally demonstrate the possibility to perform a self-adaptive wavefront …
Slowdown of nanosecond light pulses with photorefractive two-wave mixing
In the demonstrations of slow light in photorefractive (PR) materials, the delays are only
reported for long pulse durations (ms to s) that are in discrepancy with typical ns-pulse …
reported for long pulse durations (ms to s) that are in discrepancy with typical ns-pulse …
[HTML][HTML] Dual role of Te ions as electron traps and hole traps in ferroelectric Sn2P2S6 crystals
Tin hypothiodiphosphate (Sn 2 P 2 S 6) is a ferroelectric semiconductor with electro-optic
and photorefractive relevance. The lattice contains Sn 2+ ions and (P 2 S 6) 4− anionic …
and photorefractive relevance. The lattice contains Sn 2+ ions and (P 2 S 6) 4− anionic …
Improved slow light performances using photorefractive two-wave mixing
We experimentally observe an ultralow effective group velocity of 0.9 cm/s of light pulses
using the two-wave mixing process in an Sn_2P_2S_6 (SPS): Te crystal at a visible …
using the two-wave mixing process in an Sn_2P_2S_6 (SPS): Te crystal at a visible …
Ultrafast acousto-optic imaging with ultrasonic plane waves
Due to multiple light scattering inside biological tissues, deep non-invasive optical medical
imaging is very challenging. Acousto-optic imaging is a technique coupling ultrasound and …
imaging is very challenging. Acousto-optic imaging is a technique coupling ultrasound and …
[HTML][HTML] Sn vacancies in photorefractive Sn2P2S6 crystals: An electron paramagnetic resonance study of an optically active hole trap
EM Golden, SA Basun, DR Evans, AA Grabar… - Journal of Applied …, 2016 - pubs.aip.org
Electron paramagnetic resonance (EPR) is used to identify the singly ionized charge state of
the Sn vacancy ( V Sn−) in single crystals of Sn 2 P 2 S 6 (often referred to as SPS) …
the Sn vacancy ( V Sn−) in single crystals of Sn 2 P 2 S 6 (often referred to as SPS) …
Time resolved three-dimensional acousto-optic imaging of thick scattering media
Acousto-optic imaging is based on light interaction with focused ultrasound in a scattering
medium. Thanks to photorefractive holography combined with pulsed ultrasound, we …
medium. Thanks to photorefractive holography combined with pulsed ultrasound, we …
Photorefractive Effect: Principles, Materials, and Near‐Infrared Holography
V Marinova, S Huei Lin, R Chung Liu… - Wiley Encyclopedia of …, 1999 - Wiley Online Library
The article consists of two main parts: the first one contains a short summary of the
photorefractive effect, discussing the phenomena and the main aspects related to practical …
photorefractive effect, discussing the phenomena and the main aspects related to practical …
Multi‐modal acousto‐optic/ultrasound imaging of ex vivo liver tumors at 790 nm using a Sn2P2S6 wavefront adaptive holographic setup
JB Laudereau, EB à La Guillaume… - Journal of …, 2015 - Wiley Online Library
Biological tissues are very strong light‐scattering media. As a consequence, current medical
imaging devices do not allow deep optical imaging unless invasive techniques are used …
imaging devices do not allow deep optical imaging unless invasive techniques are used …