Frequency up-shifting of laser pulses by copropagating ionization fronts
Journal Article
·
· Physical Review A. General Physics; (United States)
- Beam Physics Branch, Plasma Physics Division, Naval Research Laboratory, Washington, DC (USA)
A method for up-shifting the frequency of a subpicosecond laser pulse that utilizes the interaction of the pulse with a co-propagating relativistic ionization front is examined. The induced frequency shift is found to initially scale linearly with the propagation time {tau}. Asymptotically, the frequency scales as {tau}{sup 1/2}. Phase-slippage limitations may be overcome by appropriately increasing the plasma density as a function of {tau}, thus allowing for substantially higher-frequency shifts.
- OSTI ID:
- 5154937
- Journal Information:
- Physical Review A. General Physics; (United States), Journal Name: Physical Review A. General Physics; (United States) Vol. 44:6; ISSN 1050-2947; ISSN PLRAA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
423000* -- Engineering-- Marine Engineering-- (1980-)
43 PARTICLE ACCELERATORS
430000 -- Particle Accelerators
ACCELERATORS
COLLECTIVE ACCELERATORS
CONTROL
ENERGY RANGE
FEASIBILITY STUDIES
FREQUENCY CONTROL
FREQUENCY CONVERTERS
FREQUENCY SELECTION
INTERACTIONS
IONIZATION FRONT ACCELERATORS
LASERS
PLASMA DENSITY
PULSES
RELATIVISTIC RANGE
SPECTRAL SHIFT
423000* -- Engineering-- Marine Engineering-- (1980-)
43 PARTICLE ACCELERATORS
430000 -- Particle Accelerators
ACCELERATORS
COLLECTIVE ACCELERATORS
CONTROL
ENERGY RANGE
FEASIBILITY STUDIES
FREQUENCY CONTROL
FREQUENCY CONVERTERS
FREQUENCY SELECTION
INTERACTIONS
IONIZATION FRONT ACCELERATORS
LASERS
PLASMA DENSITY
PULSES
RELATIVISTIC RANGE
SPECTRAL SHIFT