Wurtele et al., 1989 - Google Patents
Prebunching in a collective Raman free electron laser amplifierWurtele et al., 1989
View PDF- Document ID
- 167108891423452278
- Author
- Wurtele J
- Bekefi G
- Chu R
- Xu K
- Publication year
External Links
Snippet
Experiments, theory, and simulations are reported on the effects of electron prebunching in a mildly relativistic, low current (200 kV, IA) free-electron laser amplifier operating in the collective (Raman) regime at a frequency of~ 10 GHz. Prebunching is established by …
- 238000001069 Raman spectroscopy 0 title abstract description 11
Classifications
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. Klystrons, travelling-wave tubes, magnetrons
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
- H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01S—DEVICES USING STIMULATED EMISSION
- H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
- H01S3/05—Construction or shape of optical resonators; Accomodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01S—DEVICES USING STIMULATED EMISSION
- H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/0903—Free-electron laser
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J27/00—Ion beam tubes
- H01J27/02—Ion sources; Ion guns
- H01J27/16—Ion sources; Ion guns using high-frequency excitation, e.g. microwave excitation
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. Klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01S—DEVICES USING STIMULATED EMISSION
- H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
- H01S3/0007—Applications not otherwise provided for
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/087—Magnetic focusing arrangements
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