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High Power 938nm Cladding Pumped Fiber Laser

Description: We have developed a Nd:doped cladding pumped fiber amplifier, which operates at 938nm with greater than 2W of output power. The core co-dopants were specifically chosen to enhance emission at 938nm. The fiber was liquid nitrogen cooled in order to achieve four-level laser operation on a laser transition that is normally three level at room temperature, thus permitting efficient cladding pumping of the amplifier. Wavelength selective attenuation was induced by bending the fiber around a mandrel,… more
Date: December 26, 2002
Creator: Dawson, J; Beach, R; Brobshoff, A; Liao, Z; Payne, S; Pennington, D et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

HADES User's Manual

Description: HADES is a computer code that simulates transmission radiography through a mesh and/or solid bodies. This code is a successor to an old code called XRAY. HADES is designed to be backward compatible with XRAY (i.e. it will accept and correctly parse XRAY input decks), but HADES has many more features that greatly enhance its versatility and its simulation of experimental effects. HADES can simulate X-Ray radiography, neutron radiography or GeV proton radiography using ray-tracing techniques. A s… more
Date: December 26, 2002
Creator: Aufderheide, M B; Slone, D M & Schach Von Wittenau, A E
Item Type: Refine your search to only Text
Partner: UNT Libraries Government Documents Department
open access

Iran: Current Developments and U.S. Policy

Description: Report discussing the most recent political developments in Iran, including who the country offers support to and opposes. The report also makes note of U.S. policy regarding these developments, as well as the measures put in place to ensure continued peaceful relations between the two countries.
Date: December 26, 2002
Creator: Katzman, Kenneth
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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