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High-Current Cold Cathode Field Emission Array for Electron Lens Applications

Award Information

Department of Energy
Award ID:
Program Year/Program:
2008 / STTR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
Omega-P, Inc.
291 Whitney Avenue New Haven, CT 06511-3765
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 1
Fiscal Year: 2008
Title: High-Current Cold Cathode Field Emission Array for Electron Lens Applications
Agency: DOE
Contract: DE-FG02-08ER86334
Award Amount: $100,000.00


The luminosity of circular proton-antiproton colliders is limited by interactions of one beam upon the other, leading to beam blowup and other problems. Electron lenses have been shown to be effective at compensating for both long- and short-range beam-on-beam interactions. However, existing cathodes are inadequate for next-generation electron lenses because of their relatively slow rates of adjustment in cathode current and current density profile. In recent work, triggered carbon nanotube field emitters have been fabricated, which show great promise as cathodes for accelerator applications. In this project, the earlier limitations of such emitters will be addressed by coupling the carbon nanotubes with secondary current channel multipliers and an outer protective barrier, and by providing rapid low-level control of pixels composed of groups of emitters. Commercial Applications and other Benefits as described by the awardee: A cathode based on rapidly controlled field emission from carbon nanotubes, coupled with current channel multiplication, would be attractive due to its high current density, its ability to modulate the electron beam rapidly, and its ability to perform without a heater. In addition to the application for high energy physics, the novel cathode also should find use in telecommunications and radar, in both civilian and military systems

Principal Investigator:

Jay Hirshfield

Business Contact:

George Trahan
Small Business Information at Submission:

Omega-p, Inc.
199 Whitney Ave., Suite 200 New Haven, CT 06511

EIN/Tax ID: 562040484
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Research Institution Information:
Florida International University
11200 S.W. 8th Street
MARC 430
Miami, FL 33199
Contact: Vladimir Shiltsev
Contact Phone: (630) 840-5680
RI Type: Nonprofit college or university