Optical materials and intracavity optical devices for tunable IR free-electron lasers
Thesis/Dissertation
·
OSTI ID:7159122
FELs appear to hold potential for uses ranging from laboratory research and medical therapy to the national defense, but it is apparent that considerable effort will be required to adapt them to specific applications. In particular, substantial work will be required to develop optical systems capable of enhancing the special characteristics of FELs, and compatible with the FEL optical environment. A number of issues relevant to the development of advanced intracavity optical systems for RF LINAC-based IR FELs are discussed. Motives for the use of intracavity optical devices are examined, and an analysis of the geometric constraints and synchronization requirements associated with intracavity optical loss modulators is presented. A computer simulation of Stanford's Mk III IR FEL which was used to study the depth of modulation required to double mode-lock an RF LINAC-based FEL is presented, along with a brief discussion of potential device technologies for intracavity loss modulation. The dissertation concludes by describing an experiment in which the Mk III IR FEL was used to examine the damage threshold, nonlinear bulk absorption, self-focusing, and other optical characteristics of single-crystal germanium.
- Research Organization:
- Stanford Univ., CA (USA)
- OSTI ID:
- 7159122
- Country of Publication:
- United States
- Language:
- English
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