نتایج جستجو برای: miniature source
تعداد نتایج: 428591 فیلتر نتایج به سال:
this article is a study on the religious approach of pre-safavid iranian muslim miniaturists to female depiction based on quranic verses and other religious narratives. this article is to find the way of visual reflecting female admired qualifications based on islam view at original and novel miniatures. assuming that mentioned visual reflection is based on quranic and religious narratives or h...
In this work, the Isfahan Miniature Neutron Source Reactor (MNSR ) has been simulated using the MCNP code, and reactivity worth of flooding the inner irradiation sites of this reactor in an accident has been calculated. Also, by inserting polyethylene capsules containing water inside the inner irradiation sites, reactivity changes of this reactor in same such accident have been measured, the re...
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Optical pumping in a microfabricated Rb vapor cell using a microfabricated Rb discharge light source
Miniature (<few cm) vapor-cell based devices using optical pumping of alkali atoms, such as atomic clocks and magnetometers, today mostly employ vertical-cavity surface-emitting lasers as pump light sources. Here, we report on the demonstration of optical pumping in a microfabricated alkali vapor resonance cell using (1) a microfabricated Rb discharge lamp light source, as well as (2) a convent...
We study the ability of a sensor array to blindly separate and localize broadband traveling waves impinging on the array, with additive sensor noise. We consider arrays smaller than the shortest wavelength in the sources, such as MEMS acoustic arrays or VLSI arrays of RF receivers. A series expansion about the center of the array of the time-delayed signals emanating from the sources reduces th...
Optical microresonators are ideal tools for the reduction of the threshold of optical parametric oscillation based on four-wave mixing. Usually, the efficiency and bandwidth of the resonant process are interdependent due to stringent phase matching requirements leading to limitation of the bandwidth of the spectrum generated for a given pump power. We demonstrate a continuous-wave low-threshold...
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