نتایج جستجو برای: pulsed power switch
تعداد نتایج: 572849 فیلتر نتایج به سال:
Non-equilibrium cold plasma jets generated under atmospheric pressure by means of high voltage pulsed power generator are extended up to a few centimeters long in the surrounding air. The generator is consisting of a negative dc source, a Blumlein-type pulse-forming network (E-PFN), and a dynamic spark gap switch. The plasma jet generated by the device using helium as the operating gas depends ...
Switching can be considered to be the essence of pulsed power. Time accurate switch/trigger systems with low inductance are useful in many applications. This article describes a unique switch geometry coupled with a low-inductance capacitive energy store. The system provides a fast-rising high voltage pulse into a low impedance load. It can be challenging to generate high voltage (more than 50 ...
K. R. LeChien, M. E. Savage, V. Anaya, D. E. Bliss, W. T. Clark, J. P. Corley, G. Feltz, J. E. Garrity, D. W. Guthrie, K. C. Hodge, J. E. Maenchen, R. Maier, K. R. Prestwich, K. W. Struve, W. A. Stygar, T. Thompson, J. Van Den Avyle, P. E. Wakeland, Z. R. Wallace, and J. R. Woodworth Sandia National Laboratories, Albuquerque, New Mexico 87185, USA Ktech Corporation, Albuquerque, New Mexico 8712...
The use of a GaAs photoconductive closing and opening switch in an inductive energy storage system has, in the past, required a custom built laser with optical pulse shaping. We now describe a system which may be operated by a simple, Q-switched laser pulse. We have designed a high impedance (500-Q) system which provides a switch conduction time which is sustained longer than the laser pulse. F...
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Recent experiments have shown that the current-voltage characteristics (I-V) of BPDN-DT (bipyridyl-dinitro oligophenylene-ethynylene dithiol) can be switched in a very controlled manner between "on" and "off" traces by applying a pulse in a bias voltage, V(bias). Here, the polaron formation energies are calculated to check a frequently held belief, namely, that the polaron formation can explain...
We report on the recent progress in the design and development of completely monolithic linearly-polarized pulsed fiber amplifiers seeded by Q-switched fiber laser oscillators. We demonstrate near diffraction limited beam quality with ~20kW peak power (1mJ pulse energy, ~45nsec) pulses and an average power ~20W at 20kHz repetition rate with linearly polarized (>17dB PER) output from a simple MO...
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