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Darrell Judge

Professor Emeritus of Physics and Astronomy and Astronautical Engineering

Contact Information
E-mail: judge@physics.usc.edu
Phone: (213) 740-6340
Office: SHS 270

 

Biographical Sketch

The Space Sciences Center, directed by Darrell L. Judge, is engaged in both laboratory and space based investigations of photoabsorption and emission processes in atomic and molecular gases in the spectral region from the extreme ultraviolet through the infrared. Fundamental atomic and molecular constants and absolute specific cross sections are determined in the laboratory program using a broad range of experimental techniques. The deep space and sounding rocket flight experiments investigate the characteristics of planetary atmospheres, the interplanetary medium, and the sun through remote sensing optical techniques. Recently in situ neutral particle detection techniques have been developed to extend the capability of our remote sensing heliospheric space experiments. The Space Sciences Center also has a vigorous program in the physics of binary star systems and in the analysis of the luminosity variation of B and O type stars.
 

Education

Ph.D. Physics, University of Southern California, 1/1965
M.A. Physics, University of Southern California, 1/1963
B.S. Physics/Mathematics, Eastern Illinois State University, 1/1956
 

Description of Research

Summary Statement of Research Interests

Professor Judge's research efforts are centered around the Space Sciences Center,which he directs. Currently he is engaged in both laboratory and space based investigations of photoabsorption and emission processes in atomic and molecular gases in the spectral region from the extreme ultraviolet through the infrared. Fundamental atomic and molecular constants and absolute specific cross sections are determined in the laboratory program using a broad range of experimental techniques. The deep space and sounding rocket flight experiments investigate the characteristics of planetary atmospheres, the interplanetary medium, and the sun through remote sensing optical techniques. Recently in situ neutral particle detection techniques have been developed to extend the capability of our remote sensing heliospheric space experiments. The Space Sciences Center also has a vigorous program in the physics of binary star systems and in the analysis of the luminosity variation of B and O type stars.
 

Affiliations with Research Centers, Labs, and Other Institutions

USC Space Sciences Center, http://www.usc.edu/dept/space_science/
 

Publications

Journal Article

Wu, C. R., Judge, D. L., Matsui, T. (2005). High-Temperature Ultrahigh-Resolution Absorption Cross Section Measurements of O2 in the EUV Region. Journal of Electron Spectroscopy and RElated Phenomena/Elsevier. Vol. vol. 144-147, pp. pp. 123-126.
Wu, C. R., Chen, F. Z., Judge, D. L. (2004). Temperature Dependent Photoabsorption Cross Sections in the VUV-UV Region. Ethylene. Journal of Geophysical Research/American Geophysical Union. Vol. Vol. 109 (E7), pp. pp. E07S15 (2004). 10.1029/2003JE00.
 
 
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