US Patent:
20110109226, May 12, 2011
Inventors:
James Edward COOLEY - San Francisco CA, US
Gregory S. LEE - Mountain View CA, US
Arthur SCHLEIFER - Portola Valley CA, US
Robert C. TABER - Palo Alto CA, US
Randall URDAHL - Mountain View CA, US
Martin L. GUTH - Colorado Springs CO, US
Lewis R. DOVE - Monument CO, US
Assignee:
AGILENT TECHNOLOGIES, INC. - Loveland CO
International Classification:
H05B 31/26
Abstract:
An illumination device provides light to a flowing gaseous sample. The device includes a structure including a cavity configured to have a microplasma disposed therein. The cavity substantially encircles a cross-section of a channel that is configured to pass the flowing gaseous sample therethrough. The cavity is defined in part by an interior wall of the structure separating the cavity from the channel. The interior wall includes at least one orifice passing therethrough configured to provide to the flowing gaseous sample light generated by the microplasma. At least one electrode is configured to supply energy to the microplasma within the cavity.