You are here

EXTRANUCLEAR LABORATORIES WILL INVESTIGATE A DETECTOR FOR IONS IN A MASS SPECTROMETER IN WHICH IONS ARE ACCELERATED TOHIGH ENERGY AND THEN PERMITTED TO STRIKE A METAL SURFACE, WHERE THEY PRODUCE SECONDARY ELECTRONS.

Award Information
Agency: Department of Health and Human Services
Branch: N/A
Contract: N/A
Agency Tracking Number: 5316
Amount: $35,000.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1986
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
240 Alpha Drive Po Box 11512
Pittsburgh, PA 15238
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 WADE L FITE
 PRINCIPAL INVESTIGATOR
 (412) 963-7530
Business Contact
Phone: () -
Research Institution
N/A
Abstract

EXTRANUCLEAR LABORATORIES WILL INVESTIGATE A DETECTOR FOR IONS IN A MASS SPECTROMETER IN WHICH IONS ARE ACCELERATED TOHIGH ENERGY AND THEN PERMITTED TO STRIKE A METAL SURFACE, WHERE THEY PRODUCE SECONDARY ELECTRONS. THE ELECTRONS ARE THEN ACCELERATED TO A SCINTILLATOR WHERE THEY PRODUCE PHOTONS TO ACTUATE A CLOSED PHOTOMULTIPLIER TUBE. THIS TYPEOF DETECTOR IS KNOWN AS A DALY DOORKNOB DETECTOR WHEN THE PHOTONS ARE IN THE VISIBLE REGION. THE PRESENT WORK ADDRESSES THE POSSIBILITY OF USING A SCINTILLATOR THAT PRODUCES PHOTONS IN THE FAR UV RATHER THAN THE VISIBLE SPECTRUM. IN THIS CASE, THE PHOTOMULTIPLIER NEED NOT HAVE APHOTODYNODE WITH A LOW WORK FUNCTION AND ITS ATTENDANT THERMAL EMISSION NOISE. PREVIOUS EXPERIMENTS ON UV PHOTON COUNTERS SUGGEST CERTAIN MATERIALS AS POTENTIAL SCINTILLA- TORS IN THE FAR UV. THESE WILL BE TESTED AND, IF PROMISING,BE BUILT INTO A DALY DOORKNOB CONFIGURATION. COMPARISON OF SENSITIVITY AND NOISE LEVEL OF THIS DETECTOR WITH A CONVEN- TIONAL OPEN CHANNELTRON DETECTOR WOULD BE MADE.

* Information listed above is at the time of submission. *

US Flag An Official Website of the United States Government