Results 361 to 370 of about 2,942,065 (392)
Some of the next articles are maybe not open access.
Optics in Computing, 2003
We analyze the image quality of resonant holographic imaging systems. We show that Gaussian apodization, implemented with a Hermite-Gaussian reference beams inside a confocal cavity greatly improves image quality.
Arnab Sinha +3 more
openaire +2 more sources
We analyze the image quality of resonant holographic imaging systems. We show that Gaussian apodization, implemented with a Hermite-Gaussian reference beams inside a confocal cavity greatly improves image quality.
Arnab Sinha +3 more
openaire +2 more sources
Physical Review A, 1976
A complete and detailed treatment of a three-level atom interacting with two near-resonant monochromatic fields is presented. It is assumed that the only damping mechanism is radiative damping, and that the atoms all have the same resonance frequencies, as is the case in an atomic beam.
R. M. Whitley, Carlos R. Stroud
openaire +2 more sources
A complete and detailed treatment of a three-level atom interacting with two near-resonant monochromatic fields is presented. It is assumed that the only damping mechanism is radiative damping, and that the atoms all have the same resonance frequencies, as is the case in an atomic beam.
R. M. Whitley, Carlos R. Stroud
openaire +2 more sources
Resonance fluorescence in triple optical resonance
Journal of Physics B: Atomic and Molecular Physics, 1981The spectrum of a resonance fluorescence emitted by a four-level atomic system interacting with three intense laser beams is calculated analytically. The ratios of areas under peaks of the spectrum are obtained as functions of the Rabi frequencies of incident laser beams and Einstein coefficients of the atomic system. Expressions for positions of peaks
openaire +2 more sources
SPIE Proceedings, 1995
Polysilicon microbeams in integral vacuum enclosures on silicon substrates have optical and mechanical properties that provide excellent opportunities for fiber-optic sensors. The microbeam, shell, and silicon substrate form a structure with Fabry-Perot-like properties that functions as an optomechanical modulator. When the beam vibrates incident light
Henry Guckel +3 more
openaire +2 more sources
Polysilicon microbeams in integral vacuum enclosures on silicon substrates have optical and mechanical properties that provide excellent opportunities for fiber-optic sensors. The microbeam, shell, and silicon substrate form a structure with Fabry-Perot-like properties that functions as an optomechanical modulator. When the beam vibrates incident light
Henry Guckel +3 more
openaire +2 more sources
2005 Quantum Electronics and Laser Science Conference, 2005
We present novel "ratchet" resonators. Due to dynamical localization of resonant modes and broken symmetry between positive and negative angular momenta, these devices show increased efficiency of light trapping and can be used for sensing applications.
Alexander A. Govyadinov +2 more
openaire +2 more sources
We present novel "ratchet" resonators. Due to dynamical localization of resonant modes and broken symmetry between positive and negative angular momenta, these devices show increased efficiency of light trapping and can be used for sensing applications.
Alexander A. Govyadinov +2 more
openaire +2 more sources
, 2014
Natural materials exhibit negligible magnetism at optical frequencies, since the direct effects of the optical magnetic field on matter are much weaker than electric ones.
F. Monticone, A. Alú
semanticscholar +1 more source
Natural materials exhibit negligible magnetism at optical frequencies, since the direct effects of the optical magnetic field on matter are much weaker than electric ones.
F. Monticone, A. Alú
semanticscholar +1 more source
Bell System Technical Journal, 1965
Expressions are derived for the stability parameter, spot size, and wavefront curvature of a Gaussian beam in a ring resonator containing up to four spherical mirrors unequally spaced. Higher-order transverse modes and aperture effects are not considered.
openaire +2 more sources
Expressions are derived for the stability parameter, spot size, and wavefront curvature of a Gaussian beam in a ring resonator containing up to four spherical mirrors unequally spaced. Higher-order transverse modes and aperture effects are not considered.
openaire +2 more sources
2000
Jaynes-Cummings model of quantum optical resonance is investigated using Tomonaga-Schwinger formalism and without using the rotating wave approximation. Detailed study of the fluctuations in the initial number state and coherent state is made as a function of the interaction strength, frequency detuning and the initial conditions.
U. N. Upadhyaya, S. Mathur
openaire +2 more sources
Jaynes-Cummings model of quantum optical resonance is investigated using Tomonaga-Schwinger formalism and without using the rotating wave approximation. Detailed study of the fluctuations in the initial number state and coherent state is made as a function of the interaction strength, frequency detuning and the initial conditions.
U. N. Upadhyaya, S. Mathur
openaire +2 more sources
The 8th European Conference on Antennas and Propagation (EuCAP 2014), 2014
We review two types of resonant antennas in the optical regime. The first one is designed to control the emission of artificial two-level system that emit single photons. The second type of antenna allows controlling the emission spectrum and directivity of IR incandescent sources.
openaire +2 more sources
We review two types of resonant antennas in the optical regime. The first one is designed to control the emission of artificial two-level system that emit single photons. The second type of antenna allows controlling the emission spectrum and directivity of IR incandescent sources.
openaire +2 more sources