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Your search keyword '"Charles Manka"' showing total 2 results
Start Over Author "Charles Manka" Publisher institute of electrical and electronics engineers (ieee)
2 results on '"Charles Manka"'

1. Efficient second harmonic conversion of broad-band high-peak-power Nd:glass laser radiation using large-aperture KDP crystals in quadrature

Author

M. S. Pronko, S. P. Obenschain, Robert Lehmberg, Charles Manka, R. Eckardt, and C. J. Pawley

Subjects
Materials science, business.industry, Energy conversion efficiency, Physics::Optics, chemistry.chemical_element, Nonlinear optics, Laser pumping, Condensed Matter Physics, Laser, Condensed Matter::Disordered Systems and Neural Networks, Neodymium, Atomic and Molecular Physics, and Optics, law.invention, Optics, chemistry, Solid-state laser, law, Harmonics, Electrical and Electronic Engineering, business, Inertial confinement fusion
Abstract

The authors have investigated the second-harmonic conversion efficiency of broadband Nd:glass laser light ( Delta nu /c >

Published
1990
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2. Images of unstable Taylor-Sedov blast waves propagating through a uniform gas

Author

J. Crawford, Jacob Grun, J. A. Stamper, J. Resnick, Charles Manka, R. Burris, and B.H. Ripin

Subjects
Shock wave, Physics, Nuclear and High Energy Physics, business.industry, Wave propagation, Astrophysics::High Energy Astrophysical Phenomena, Image processing, Condensed Matter Physics, Laser, Dark field microscopy, Instability, law.invention, Optics, law, Computer Science::Computer Vision and Pattern Recognition, business, Adiabatic process, Blast wave
Abstract

We present images from the first observation and measurements of an instability in Taylor-Sedov blast waves propagating through a uniform background gas. The instability occurs when the adiabatic index of the background gas is low. Images of the expanding blast waves are dark field shadowgraphs obtained using a frequency-doubled (527 nm) pulsed YAG laser and black and white photographic film. The film images are digitized, and image processing routines are used for analysis and presentation.

Published
1996
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