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14 papers · 2 filters
Characterization of ejecta in shock experiments with multiple light scattering
J. A. Don Jayamanne, J. -R. Burie, O. Durand +2
Upon impact, the free surface of a solid metal may eject a cloud of fast and fine particles. Photon Doppler Velocimetry (PDV) is one of the optical diagnostics used to characterize…
Binary holograms for shaping light with digital micromirror devices
R. Gutiérrez-Cuevas, S. M. Popoff
Digital micromirror devices are a popular type of spatial light modulators for wavefront shaping applications. While they offer several advantages when compared to liquid crystal m…
Temporal chirp, temporal lensing and temporal routing via space-time interfaces
Victor Pacheco-Peña, Mathias Fink, Nader Engheta
A time interface (a rapid change of the constitutive parameters of a material in time), applied within an unbounded medium where a wave travels, can enable frequency conversion, an…
Ray and caustic structure of Ince-Gauss beams
Rodrigo Gutiérrez-Cuevas, Mark R. Dennis, Miguel A. Alonso
The Ince-Gauss beams, separable in elliptic coordinates, are studied through a ray-optical approach. Their ray structure can be represented over a ray-Poincaré sphere by generalize…
Delivering Broadband Light Deep Inside Diffusive Media
Rohin McIntosh, Arthur Goetschy, Nicholas Bender +4
Wavefront shaping enables targeted delivery of coherent light into random-scattering media, such as biological tissue, by constructive interference of scattered waves. However, bro…
Multi-Spectral Reflection Matrix for Ultra-Fast 3D Label-Free Microscopy
Paul Balondrade, Victor Barolle, Nicolas Guigui +5
Label-free microscopy exploits light scattering to obtain a three-dimensional image of biological tissues. However, light propagation is affected by aberrations and multiple scatte…