Long-pulse, low-voltage infrared free-electron laser

Long-pulse, low-voltage infrared free-electron laser

Free-electron lasers (FEL's) have been developed as powerful IR sources at several sites around the world. This paper considers the design of a relatively compact, low-cost, tunable IR FEL based on a 3-MeV electrostatic accelerator and a submillimeter-wavelength electromagnetic wiggler. The sys...

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Bibliographic Details
Published in:IEEE journal of quantum electronics Vol. 30; no. 1; pp. 185 - 193
Main Authors: Manheimer, W.M., Fliflet, A.W.
Format: Journal Article
Language:English
Published: New York, NY IEEE 01-01-1994
Institute of Electrical and Electronics Engineers
Subjects:
426002 - Engineering- Lasers & Masers- (1990-)
ACCELERATORS
Atmospheric waves
DESIGN
ELECTRICAL EQUIPMENT
ELECTROMAGNETIC RADIATION
Electromagnetism; electron and ion optics
ELECTROMAGNETS
Electron beams
Electrostatics
ENGINEERING
Exact sciences and technology
FREE ELECTRON LASERS
Fundamental areas of phenomenology (including applications)
Gyrotrons
INFRARED RADIATION
Ionizing radiation
LASER RADIATION
LASERS
LINEAR ACCELERATORS
MAGNETS
Physics
Power lasers
Radiation by moving charges
RADIATIONS
Radio frequency
REMOTE SENSING
Undulators
WIGGLER MAGNETS
Electromagnetic wiggler
Free electron lasers
Tunable lasers
Submillimetric wave
Theoretical study
Electromagnetic radiation
Infrared radiation
Experimental study
Gyrotron
Electrostatic accelerators
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Description
Summary:Free-electron lasers (FEL's) have been developed as powerful IR sources at several sites around the world. This paper considers the design of a relatively compact, low-cost, tunable IR FEL based on a 3-MeV electrostatic accelerator and a submillimeter-wavelength electromagnetic wiggler. The system should be sufficiently portable for use in the field, and applications such as remote sensing and industrial processing are envisioned. The wiggler is powered by a second-harmonic quasioptical gyrotron. A prescription for optimizing the gain of an electromagnetic wiggler FEL is derived and the nonlinear regime is treated by relating the electromagnetic wiggler FEL to the "universal" normalized FEL equations. A point design is given showing accelerator, gyrotron, and output parameters for a system capable of operating over the entire 3-13-/spl mu/m wavelength atmospheric windows. A wide range of output characteristics is available.< >
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9197
1558-1713
DOI:10.1109/3.272079