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Method and apparatus for elemental and isotope measurements and diagnostics-microwave induced plasma-cavity ring-down spectroscopy

United States Patent

May 30, 2006
View the Complete Patent at the US Patent & Trademark Office
Provided is a novel system for conducting elemental measurements using cavity ring-down spectroscopy (CRDS). The present invention provides sensitivity thousands of times improved over conventional devices and does so with the advantages of low power, low plasma flow rate, and the ability being sustained with various gases.
Wang; Chuji (Starkville, MS), Winstead; Christopher (Hattiesburg, MS), Duan; Yixiang (Los Alamos, NM)
Mississippi State University (Mississippi State, MS)
10/ 367,806
February 19, 2003
This invention was made with U.S. Government support from the United States Department of Energy through Environmental Management Science Program Grant Number DE-FG07-02ER63515 in Mississippi State University and Grant Number 86680 in Los Alamos National Laboratory.