Results 241 to 250 of about 55,390 (274)
Some of the next articles are maybe not open access.
The Journal of Chemical Physics, 1981
The formalism of collective (Dicke-like) states and operators is used to describe the relaxation of the initially prepared state of a material in the presence of a laser field. The material states are shown to be expressible as minimum uncertainty wave packets formed from those special collective states that couple with the radiation field. It is shown
Izo I. Abram, R. M. Hochstrasser
openaire +1 more source
The formalism of collective (Dicke-like) states and operators is used to describe the relaxation of the initially prepared state of a material in the presence of a laser field. The material states are shown to be expressible as minimum uncertainty wave packets formed from those special collective states that couple with the radiation field. It is shown
Izo I. Abram, R. M. Hochstrasser
openaire +1 more source
SPIE Proceedings, 2014
Several therapies make use of a hypo or hyperthermia tissue environment to induce cell death in both benign and malignant tumors. Current progression in optical technologies, such as optical coherence tomography (OCT) and fiber Bragg gratings (FBG) sensors, could potentially provide viable information to explore the response of tissue when these ...
Subaagari Seevaratnam +5 more
openaire +1 more source
Several therapies make use of a hypo or hyperthermia tissue environment to induce cell death in both benign and malignant tumors. Current progression in optical technologies, such as optical coherence tomography (OCT) and fiber Bragg gratings (FBG) sensors, could potentially provide viable information to explore the response of tissue when these ...
Subaagari Seevaratnam +5 more
openaire +1 more source
Fluctuation and Noise Letters, 2008
We analyze a simple model of a scalar optical wave with partial coherence. The model is devised to describe the influence on the coherence of the wave, of the statistical properties of its random phase, including both the second-order statistics (phase correlation) — which is classic, but also the first-order statistics (phase distribution) — which is
Chapeau-Blondeau, François +3 more
openaire +2 more sources
We analyze a simple model of a scalar optical wave with partial coherence. The model is devised to describe the influence on the coherence of the wave, of the statistical properties of its random phase, including both the second-order statistics (phase correlation) — which is classic, but also the first-order statistics (phase distribution) — which is
Chapeau-Blondeau, François +3 more
openaire +2 more sources
SPIE Proceedings, 2014
The prevalence of Dry Eye Disease (DED) in the USA is approximately 40 million in aging adults with about $3.8 billion economic burden. However, a comprehensive understanding of tear film dynamics, which is the prerequisite to advance the management of DED, is yet to be realized.
Jinxin Huang +3 more
openaire +1 more source
The prevalence of Dry Eye Disease (DED) in the USA is approximately 40 million in aging adults with about $3.8 billion economic burden. However, a comprehensive understanding of tear film dynamics, which is the prerequisite to advance the management of DED, is yet to be realized.
Jinxin Huang +3 more
openaire +1 more source
Journal of Physics: Condensed Matter, 2000
We present an analysis of the nonequilibrium thermodynamics and, mainly, a response function theory for the study of optical properties in ultrafast-spectroscopy pump-probe experiments. These experiments give rise to the formation of a photoinjected plasma in semiconductors in far-from-equilibrium conditions.
Áurea R Vasconcellos +2 more
openaire +1 more source
We present an analysis of the nonequilibrium thermodynamics and, mainly, a response function theory for the study of optical properties in ultrafast-spectroscopy pump-probe experiments. These experiments give rise to the formation of a photoinjected plasma in semiconductors in far-from-equilibrium conditions.
Áurea R Vasconcellos +2 more
openaire +1 more source
Czechoslovak Journal of Physics, 1981
The problem of nonlinear optical sum-frequency generation and second harmonic generation is solved by a method neglecting changes of statistics of generating radiations. It is shown here that the increase of fluctuation levels in subfrequency radiations reduces the total efficiency of the sum-frequency generation, whilst in the degenerate case the ...
openaire +1 more source
The problem of nonlinear optical sum-frequency generation and second harmonic generation is solved by a method neglecting changes of statistics of generating radiations. It is shown here that the increase of fluctuation levels in subfrequency radiations reduces the total efficiency of the sum-frequency generation, whilst in the degenerate case the ...
openaire +1 more source
Optica Acta: International Journal of Optics, 1981
A unified treatment of the description of the statistical dynamical properties of two-mode quadratic optical parametric processes with intense coherent or stochastic pumping (parametric amplification, frequency conversion, second subharmonic generation, etc. as special cases are involved) including the lossy mechanism is developed.
openaire +1 more source
A unified treatment of the description of the statistical dynamical properties of two-mode quadratic optical parametric processes with intense coherent or stochastic pumping (parametric amplification, frequency conversion, second subharmonic generation, etc. as special cases are involved) including the lossy mechanism is developed.
openaire +1 more source
Optical Engineering, 2011
Controlling the spatial coherence of the transmitted beam has been suggested as a means of improving the statistics of the received power in long-range free-space optical communications systems. We present an experiment demonstrating the concept of transmitting a partially spatial coherent beam through a turbulent path in a lab setting to overcome long-
openaire +1 more source
Controlling the spatial coherence of the transmitted beam has been suggested as a means of improving the statistics of the received power in long-range free-space optical communications systems. We present an experiment demonstrating the concept of transmitting a partially spatial coherent beam through a turbulent path in a lab setting to overcome long-
openaire +1 more source
Applications Of Coherence And Statistical Optics Part 2
Journal of the Optical Society of America A, 1986William H. Carter, Bahaa E. A. Saleh
openaire +1 more source