Electron-beam Switches for a High Peak Power Active SLED-II Pulse Compressor

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$150,000.00
Award Year:
2013
Program:
SBIR
Phase:
Phase I
Contract:
DE-FG02-13ER90564
Award Id:
n/a
Agency Tracking Number:
84208
Solicitation Year:
2013
Solicitation Topic Code:
34 c
Solicitation Number:
DE-FOA-0000760
Small Business Information
291 Whitney Avenue, New Haven, CT, 06511-3765
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
084736651
Principal Investigator:
Jay Hirshfield
Dr.
(203) 789-1164
jay@omega-p.com
Business Contact:
George Trahan
Dr.
() -
enid@omega-p.com
Research Institution:
Stub




Abstract
This SBIR project will be devoted to the development and demonstration of high-power X- band switches to operate with the two resonant delay lines of the SLED-II pulse compression system. Each switch is triggered with an intense electron beam drawn from a diamond-coated molybdenum cold cathode. Preliminary tests of prototype X-band switches using the Omega- P/NRL X-band magnicon have already shown record power gain and peak power values for an active pulse compressor, namely a gain of 18:1, and a peak power of 165 MW in ~ 20 ns pulses. The overall goal of the proposed SBIR project will be to extend these preliminary results and install on the SLAC SLED-II delay lines two switches capable of producing 100 ns flat-top pulses with peak power gains of 20:1. This would allow a 2 s, 50 MW pulse from a single SLAC X-band klystron to be compressed to a peak power of 1 GW in a 100 ns pulse, assuming an efficiency of 50%. This would extend SLAC capability for high-power testing of structures and components well beyond its current limits, and with need for only a single X-band klystron as the RF source. During Phase I, it is planned to carry out engineering design for the switches and high-voltage pulsed power supplies needed to match SLAC SLED-II parameters, and to conduct low power cold tests. During Phase II, high-power versions of the switches would be built, installed at SLAC, and tested. The Phase II portion of the work would be on a collaborative basis with a SLAC team headed by Professor Sami Tantawi.

* information listed above is at the time of submission.

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