Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1991-01-07
1993-03-23
Jones, W. Gary
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
372 8, C01B 300
Patent
active
051960974
ABSTRACT:
System and method for selectively inducing transparency to laser radiation in a material are described comprising a material having a ground state and two closely-spaced first and second excited states wherein the transition dipole moment d.sub.1 between the ground and first excited states is parallel to the dipole moment d.sub.2 between the ground and second excited states, and wherein d.sub.1 is substantially equal to zd.sub.2 where z is a scalar constant characteristic of the material, and wherein the frequencies of transition between the ground and first excited states and between the ground and second excited states are .omega..sub.o and .omega..sub.o +.DELTA., respectively, and a source of laser radiation for substantially totally irradiating the material with laser radiation of frequency .omega..sub.L substantially equal to .omega..sub.o +.DELTA./(1+z.sup.2).
REFERENCES:
patent: 3778361 (1973-12-01), Courtney-Pratt
patent: 4124466 (1978-11-01), Morrey
patent: 4366379 (1982-12-01), Cotter
Patel & Slusher, Self Induced Transparency in Gases, Oct. 1967, 3019-3022.
"Effect of Atomic-State Coherence and Spontaneous Emission on Three-level Dynamics", by D. A. Cardimona, Phys Rev A 41, 5016 (1990).
Cardimona David A.
Sharma Mohinder P.
Jones W. Gary
Nguyen Dean
Scearce Bobby D.
Singer Donald J.
The United States of America as represented by the Secretary of
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