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Status and issues in the development of a γ-ray laser. II. Giant resonances for the pumping of nuclei

Published online by Cambridge University Press:  09 March 2009

C.B. Collins ,
J.J. Carroll ,
K.N. Taylor ,
T.W. Sinor ,
C. Hong ,
J.D. Standifird  and
D.G. Richmond
C.B. Collins
Affiliation:
Center for Quantum Electronics, University of Texas at Dallas, Richardson, TX 75083–0688
J.J. Carroll
Affiliation:
Center for Quantum Electronics, University of Texas at Dallas, Richardson, TX 75083–0688
K.N. Taylor
Affiliation:
Center for Quantum Electronics, University of Texas at Dallas, Richardson, TX 75083–0688
T.W. Sinor
Affiliation:
Center for Quantum Electronics, University of Texas at Dallas, Richardson, TX 75083–0688
C. Hong
Affiliation:
Center for Quantum Electronics, University of Texas at Dallas, Richardson, TX 75083–0688
J.D. Standifird
Affiliation:
Center for Quantum Electronics, University of Texas at Dallas, Richardson, TX 75083–0688
D.G. Richmond
Affiliation:
Center for Quantum Electronics, University of Texas at Dallas, Richardson, TX 75083–0688
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Abstract

A γ-ray laser would stimulate the emission of radiation of wavelengths below 1 Å from excited states of nuclei. However, the anticipation of a need for high pump powers tended to discourage early research and the difficulties in demonstrating a device were first assumed to be insurmountable. Over the past decade, advances in pulsed-power technology have changed these perceptions and studies have built a strong momentum. A nuclear analog of the ruby laser has been proposed and many of the component steps for pumping the nuclei have been demonstrated experimentally. A quantitative model based upon the new data and concepts has shown the γ-ray laser to be feasible if some real isotope has its properties sufficiently close to the ideals modeled. The greatest positive impact upon feasibility has come from the discovery of giant resonances for pumping nuclei that greatly reduce the levels of pump power needed.

Type
Research Article
Information
Laser and Particle Beams , Volume 11 , Issue 1 , March 1993 , pp. 43 - 54
Copyright
Copyright © Cambridge University Press 1993

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