Process and apparatus for reacting laser radiation with a reacti

Details Process and apparatus for reacting laser radiation with a reacti Process and apparatus for reacting laser radiation with a reacti

1977-05-12

1980-02-19

Sikes, William L.

Radiant energy

Ion generation

Field ionization type

250373, H01J 3934

Patent

active

041896467

ABSTRACT:
Reaction of laser radiation and a reactive medium is conducted by reflecting a hollow conical beam of the radiation back and forth between two aspheric mirrors. This gives a long path length for the radiation passing through the medium, although the length of the reaction zone, i.e. the distance between the mirrors, may be comparatively small. By selection of the curvature of the mirrors, the radiation flux density can be controlled so that it is substantially uniform or so that it exhibits a pre-determined cylindrically symmetrical variation across the width of the reaction chamber, and this distribution of the flux density can be matched to the distribution of availability of reactive species within the reaction zone. In many practical applications, such as laser isotope separation, photon-enhanced chemical reaction, laser amplification, or laser resonance, the reactive species will be distributed uniformly within the reaction zone or will be distributed to a varying degree across the width of the reaction zone, this variation being cylindrically symmetrical. By matching the flux density to the availability of the reactive species, the efficiency of the reaction can be increased.

REFERENCES:
patent: 3983020 (1976-09-01), Moore et al.
patent: 4025172 (1977-05-01), Freiberg
patent: 4082633 (1978-04-01), Eerkens

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