Équipe : Ondes et images
Responsable : Arnaud Tourin
Laboratoire : UMR 7587 Institut Langevin (ESPCI)
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Descriptif :
Institut Langevin was set up in 2009 by Mathias Fink. It was created by merging two laboratories: the "Waves and Acoustics laboratory", and the "Optics Physics laboratory" of ESPCI Paris. The aim was to create a laboratory of which the activities would cover all kinds of waves and their applications. The waves we are interested in cover a very broad spectrum from mechanical waves (acoustic, seismic, and water surface waves) to optical waves (infrared and visible) through electromagnetic waves (radio frequency, microwave, Terahertz radiation). The research conducted at Institut Langevin aims at understanding the propagation mechanisms of all these kinds of waves in the most complex environments and take benefit of that understanding to develop innovative instruments for manipulating these waves and imaging these environments. Many of these instruments are based on the fruitful concept of Time Reversal Mirror (TRM). The TRM concept was invented by Mathias Fink in the early 90s. First tested for ultrasonic waves, it was extended by us to microwaves in the mid 2000s and now flourishes in an optical technique named wavefront shaping. Researchers from Institut Langevin also conduct pioneering research in the areas of multi-wave imaging (elastography, acousto-optic and photo-elastic imaging), ultrasound/laser methods, Full-Field Optical Imaging (Optical Coherent Tomography, Digital Holography), nanophotonics (near field microscopy in the infrared and THz ranges, optical nano-antennas, plasmonics) and metamaterials. The fields of application are many and varied, ranging from medicine and biology to telecommunications, non-destructive testing and geophysics. Within the Institut Langevin, we are a group of researchers interested in quantitative approaches to living systems, mostly working at the crossroads between optics and biology. It includes the development of new imaging technologies (super-resolution, label-free imaging, optical elastography) to investigate various biological topics, such as the investigation of nuclear dynamics, the label free quantification and identification of vesicles, the quantification of cellular dynamics and mechanical parmaeters, as well as the in vivo quantification of flow parameters.
Institut Langevin was set up in 2009 by Mathias Fink. It was created by merging two laboratories: the "Waves and Acoustics laboratory", and the "Optics Physics laboratory" of ESPCI Paris. The aim was to create a laboratory of which the activities would cover all kinds of waves and their applications. The waves we are interested in cover a very broad spectrum from mechanical waves (acoustic, seismic, and water surface waves) to optical waves (infrared and visible) through electromagnetic waves (radio frequency, microwave, Terahertz radiation). The research conducted at Institut Langevin aims at understanding the propagation mechanisms of all these kinds of waves in the most complex environments and take benefit of that understanding to develop innovative instruments for manipulating these waves and imaging these environments. Many of these instruments are based on the fruitful concept of Time Reversal Mirror (TRM). The TRM concept was invented by Mathias Fink in the early 90s. First tested for ultrasonic waves, it was extended by us to microwaves in the mid 2000s and now flourishes in an optical technique named wavefront shaping. Researchers from Institut Langevin also conduct pioneering research in the areas of multi-wave imaging (elastography, acousto-optic and photo-elastic imaging), ultrasound/laser methods, Full-Field Optical Imaging (Optical Coherent Tomography, Digital Holography), nanophotonics (near field microscopy in the infrared and THz ranges, optical nano-antennas, plasmonics) and metamaterials. The fields of application are many and varied, ranging from medicine and biology to telecommunications, non-destructive testing and geophysics. Within the Institut Langevin, we are a group of researchers interested in quantitative approaches to living systems, mostly working at the crossroads between optics and biology. It includes the development of new imaging technologies (super-resolution, label-free imaging, optical elastography) to investigate various biological topics, such as the investigation of nuclear dynamics, the label free quantification and identification of vesicles, the quantification of cellular dynamics and mechanical parmaeters, as well as the in vivo quantification of flow parameters.
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