High Power High Frequency RF Generation

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$149,992.00
Award Year:
2013
Program:
SBIR
Phase:
Phase I
Contract:
DE-FG02-13ER90560
Award Id:
n/a
Agency Tracking Number:
84206
Solicitation Year:
2013
Solicitation Topic Code:
34 c
Solicitation Number:
DE-FOA-0000760
Small Business Information
5900 Harper Rd. #102, Solon, OH, 44139-1866
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
141568639
Principal Investigator:
Chunguang Jing
Dr.
(440) 519-0410
c.jing@euclidtechlabs.com
Business Contact:
David Dunay
Mr.
() -
daved@euclidtechlabs.com
Research Institution:
Stub




Abstract
The principal goal of this project is to develop two RF power extraction structures (an X-band and a W-band device) to demonstrate high power high frequency RF generation using high current relativistic electron beams. High power high frequency RF sources have compelling applications in accelerators for high energy physics, communications, radar, etc. For high energy physics accelerator applications, klystrons are commercially available to provide a high quality RF power source below X-band frequencies. There are several facilities operating in the US at higher frequencies such as the X-band PPM klystron at SLAC [1], the X-band magnicon at NRL [2], the Ku band 17.1 GHz gyroklystron at University of Maryland [3], the 34 GHz Ka band magnicon at Yale/Omega-P [4], and the 94 GHz W band gyrotron [5]. In addition, many research programs are currently in progress that use different approaches to achieve high frequency output power and efficiency. However, stable, ultra-high power (e.g. multi-hundreds of MW in X-band and MW level in W-band as are proposed in this project) RF sources are still generally lacking for frequencies beyond X-band. Meanwhile, the portion of the spectrum with wavelengths from 3 cm to 3 mm is also very attractive due to the tight frequency availability in lower bands. Benefiting from the ~10 GW beam power provided by the high current linac at the Argonne Wakefield Accelerator (AWA) facility, we propose to develop a series of high power RF sources based on the extraction of coherent Cherenkov radiation from relativistic electron beams. The frequency spectrum of AWA beam (from the 1.3 GHz injector) covers up to W-band without the need for a complicated beam compression system. Simulations show that ~1 GW 20 ns RF pulses can be generated using an 11.7 GHz structure, ~400 MW for a 26 GHz structure, and ~14 MW for a 91 GHz structure [6]. The pulse length is expandable to 50 ns with a lower peak power.

* information listed above is at the time of submission.

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