نتایج جستجو برای: pulsed power technology

تعداد نتایج: 946931  

2008
Tamara Williams

The first self-assembled InAs quantum dash lasers grown by molecular beam epitaxy on InP (001) substrates are reported. Pulsed room-temperature operation demonstrates wavelengths from 1.60 to 1.66 μm for one-, three-, and five-stack designs, a threshold current density as low as 410 A/cm2 for single-stack uncoated lasers, and a distinctly quantum-wire-like dependence of the threshold current on...

2005
A. Ghose

This work presents a method for large signal characterization of avalanche photodiode (APD) where measurements were carried out using pulsed RF signal at different DC bias points to extract dispersive parameters of the avalanche photodiode. Pulsed optical excitation on the photodiode were synchronized with the pulsed RF signal using a synchronization circuit and in this way characterization of ...

2001
Farrokh Najmabadi

During the past ten years, the ARIES Team has studied a variety of tokamak power plants with different degrees of extrapolation in plasma physics and technology from present database. Continuation of research has allowed us to apply lessons learned from each ARIES design to the next. The results of ARIES tokamak power plant studies provide a large body of data that highlight the contribution, t...

2010
G. A. Rochau J. E. Bailey

Applied spectroscopy is a powerful diagnostic tool for high energy density plasmas produced with modern pulsed power facilities. These facilities create unique plasma environments with a broad range of electron densities 1013–1023 cm−3 and temperatures 100–103 eV immersed in strong magnetic 100 T and electric up to 1 GV/m fields. This paper surveys the application of plasma spectroscopy to diag...

Journal: :IEEJ Transactions on Fundamentals and Materials 2005

Journal: :IEEE Transactions on Plasma Science 2009

2012
Nicolas Raymond

We consider a twisted magnetic Laplacian with Neumann condition on a smooth and bounded domain of R2 in the semiclassical limit h → 0. Under generic assumptions, we prove that the eigenvalues admit a complete asymptotic expansion in powers of h1/4.

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