نتایج جستجو برای: light regime
تعداد نتایج: 466343 فیلتر نتایج به سال:
The randomized controlled trial (RCT) has become the most widely accepted research design for testing the efficacy of health care interventions. The purposes of this paper are to (a) introduce the essential elements of RCTs, and (b) discuss some of the special problems faced by occupational therapists in conducting and interpreting RCTs. The CONSORT (Consolidated Standards of Reporting Trials) ...
We use coherent backscattering of light by cold strontium atoms to study phase-breaking mechanisms in the multiple-scattering regime. As the probe light intensity is increased, the atomic optical transition starts to be saturated. Nonlinearities and inelastic scattering then occur. The latter induces a characteristic phase-breaking time that reduces the wave coherence. In our experiment, this l...
Using electron beam lithography we have fabricated arrays of metallic and non-metallic planar chiral structures on silicon substrates, and observed the pronounced effects of their chirality on the polarization states of the diffracted light in the transmission regime. Significant differences in polarization properties were observed between metallic and polymer structures, most notably in the de...
Trapped atomic ions are a well-advanced physical system for investigating fundamental questions of quantum physics and for quantum information science and its applications. When contemplating the scalability of trapped ions for quantum information science one notes that the use of laser light for coherent operations gives rise to technical and also physical issues that can be remedied by replac...
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