University of Illinois Urbana-Champaign

Signal Flow Graph Approach to Multiphoton Analysis and Transient Characteristics of Mode-Locked Far Infrared Lasers

Chung, Ho Kyoon

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https://hdl.handle.net/2142/66259

Description

Title
Signal Flow Graph Approach to Multiphoton Analysis and Transient Characteristics of Mode-Locked Far Infrared Lasers
Author(s)
Chung, Ho Kyoon
Issue Date
1981
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Electronics and Electrical
Language
eng
Abstract
  • The signal flow graph application to the analysis of multiphoton interactions has been developed in this study. It is shown that the Schrodinger equation for the multiphoton interactions can be represented as signal flow graphs in the semiclassical limit. A few examples are given to illustrate the construction, manipulation and application of the graphs.
  • Also, the generation of temporally short far infrared pulses and their evolution in time and space have been examined experimentally and theoretically. It is shown that the far infrared pulsewidth can be as short as one-half the pump pulsewidth which is already shorter than the molecular relaxation times. In particular, the far infrared pulse energy is found to be scaled in z as(' )e('SQRT.(gz), contrary to the Beer's law growth, e('gz).
Graduation Semester
1981
Type of Resource
text
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http://hdl.handle.net/2142/66259

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