Physics

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All Items (46)

Journal Article

Study of Nanosecond Pulsed Magnetic Fields Using Temporally Resolved Faraday Rotation Through a Magneto-Optical Waveguide — Apr 1, 2009

We have measured magnetic fields up to 17.7 T with a rise time of 75 ns using temporally resolved Faraday rotation of a single longitudinal mode laser beam through a magneto-optically active bulk waveguide.

Journal Article

Magnetic Field Measurements in Wire-Array Z-Pinches Using Magnetoactive Materials — Jun 1, 2007

It is generally believed that understanding the magnetic field topology in wire-array Z-pinches as a function of time is of great importance to understanding these high-energy density plasmas.

Journal Article

Magnetic Field Measurements in Wire-Array Z-Pinches and X-Pinches — Jan 1, 2006

We are investigating several techniques to obtain time-dependent magnetic field measurements in wire-array Z-pinches and X-pinches.

Report

The Cosmos on a Shoestring: Small Spacecraft for Space and Earth Science — Jan 1, 1998

Small spacecraft have become popular for a number of reasons, most prominently the needs to reduce overall cost, be built more quickly, and spread mission risks. Despite the risks, however, small spacecraft fulfill important roles in earth science, astrophysics, space physics, and planetary science. NASA's current generation of small spacecraft is capable of impressive levels of performance.

Journal Article

Progress in Navigation-Grade IFOG Performance — Nov 1, 1996

In this paper we report on further advances in navigation-grade IFOG technology achieved at Litton.

Journal Article

Nd:MgO:LiNbO3 Continuous-Wave Laser Pumped by a Laser Diode — Mar 1, 1988

Diode-pumped laser oscillation was achieved in Nd:MgO:LiNbO3.

Journal Article

Miniature CW and Active Internally Q-switched Nd:MgO:LiNbO3lasers — Feb 1, 1987

We report a 10 mW threshold miniature device in which internal Q-switching of a single Nd:MgO:LiNbO3 crystal is achieved.

Journal Article

Nd:MgO:LiNbO3 Spectroscopy and Laser Devices — Jan 1, 1986

Laser oscillation in Nd:MgO:LiNbO3 has been demonstrated.

Report

RAND data base of Soviet high-current particle-beam R&D — Jan 1, 1982

Describes an automated database that was established under the RAND Project "Analysis and Comparison of U.S./USSR Technology." The database includes information extracted from some 90 Soviet technical journals specializing in physics, engineering, a...

Report

The polity of discussion: Bagehot's Physics and Politics revisited in the nuclear age — Jan 1, 1980

Applies to our own age Walter Bagehot's mid-Victorian views on the quality of "animated moderation" and the concept he defined as "a polity of discussion." Bagehot's general theme is familiar: free and open discussion is good; secret action by uncha...

Report

Physics and slavery: the relative cost of calories for slave infants and their mothers — Jan 1, 1979

Uses physics to analyze breast-feeding as part of an energy transfer process to demonstrate that the cost per calorie of suckling infants is greater than that of feeding adults. Takes exception to David's and Temin's criticism of [Time on the Cross] ...

Report

Maxwell's Equations in a Rotating Reference Frame. — Jan 1, 1970

Using the methods of general relativity, Schiff in 1939 derived the vector form of Maxwell's equations in a rotating coordinate system. This paper shows that these equations may also be derived classically. 12 pp. Ref. (AR)...

Report

Stochastic Representation of Nearly-Gaussian, Nonlinear Processes. — Jan 1, 1969

A detailed discussion illustrating the potential of the stochastic representation in statistical physics problems. The use of polynomial functionals of the white noise process is shown for the treatment of certain nonlinear random processes. It is ...

Report

Reflections on the Concept of Life. — Jan 1, 1969

A discussion of the mental aspects of life as they relate to biological phenomena and the laws of physics. The concepts introduced here arise from the theory that mental phenomena are essential in human life, that all aspects of them penetrate all f...

Report

Emission Rates in Thermionic Diodes. — Jan 1, 1969

The derivation of a new expression for the free area function for translation of absorbed particles in the study of the surface physics of thermionic diode electrodes. A relatively new theory involves direct energy conversion through utilization of ...

Report

Energy transfer in particle-surface interactions in hypervelocity flight: commentary and bibliography. — Jan 1, 1967

One deterrent to further development in the field of particle-surface interactions has been the wide distribution of literature on the subject in publications of such diverse fields as surface chemistry, solid-state physics, gaseous electronics, and ...

Journal Article

Reply By Authors to R. W. Porter and A. B. Cambel — Jan 1, 1966

The authors respond to Comment on 'Magnetohydrodynamic-hypersonic viscous and inviscid flow near the stagnation point of a blunt body,'

Report

The thermodynamics of the zirconia/zirconium-oxygen vapor system — Jan 1, 1966

Part of a continuing study of the complex problems found in the physics of reentry bodies. Zirconia is the eighth of a series of ablative materials investigated by mathematical techniques. This study reports the thermodynamic investigation of zirconi...

Report

Computational Solution of Radiative Transfer Problems in Cloud Physics — Jan 1, 1965

For the sake of simplicity, this paper views the radiative transfer problem in clouds as that of multiple scattering with an anisotropic phase function, leaving out heat transfer and other effects.

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