Accession Number:
ADA224091
Title:
Center for Electro Optics & Plasma Research
Descriptive Note:
Final technical rept. Oct 1986-Dec 1989,
Corporate Author:
HAMPTON UNIV VA DEPT OF PHYSICS
Personal Author(s):
Report Date:
1990-04-01
Pagination or Media Count:
132.0
Abstract:
A 1-Hz hypocycloidal pinch HCP pumped laser was operated at 1 kJ input energy. The time integrated continuum spectrum of the pump light approximated that of a 15,000 K blackbody for the wavelength range above 250 nm. The pump emission was found to be stable at 1 Hz operation. The overall efficiency of the system was found to be 0.01 for single shot operation of pumping blue-green and near ultraviolet uv dye lasers 2 MW, but the laser output saturated with the input energy 4 kJ due to thermal lensing effects in the dye. Thermal effects introduced by nonuniform heating of the dye solution resulted in a reduction of the uv laser output as repetition rates increased. The thermal effects were significantly reduced by using a double walled dye cuvette. A theoretical model was developed to describe the electromagnetic acceleration of the plasma produced in the HCP device. The computer model described the operation of the device in the snow-plow mode and took into account the unique geometry and electrical parameters of the HCP devices used in the laboratory. cp
Descriptors:
- *ELECTROOPTICS
- *ULTRAVIOLET LASERS
- *PLASMAS(PHYSICS)
- INPUT
- EMISSION
- INTEGRATED SYSTEMS
- EQUATIONS OF MOTION
- REPETITION RATE
- MODELS
- PARAMETERS
- ACCELERATION
- THEORY
- ENERGY
- EFFICIENCY
- LASERS
- ELECTRICAL PROPERTIES
- TIME
- PUMPING(ELECTRONICS)
- SPECTRA
- HEATING
- OPERATION
- DYE LASERS
- ELECTROMAGNETISM
- PUMPING
- THERMAL LENS EFFECT
- NONUNIFORM
- FREQUENCY
- NEAR ULTRAVIOLET RADIATION
- THERMAL PROPERTIES
- COMPUTERIZED SIMULATION
Subject Categories:
- Lasers and Masers
- Numerical Mathematics