Fission-fragment nuclear lasing of Ar(He)-Xe
Nuclear-pumped lasing of Ar-Xe and He-Xe has been demonstrated using /sup 235/UF/sub 6/ fission-fragment excitation. Fission fragments were created by absorption of thermal neutrons in a combination of gaseous /sup 235/UF/sub 6/ and laser-tube wall coatings formed from UF/sub 6/ chemical reaction products. At a pressure of 600 Torr Ar--(3%) Xe, lasing occurred at 2.65 ..mu..m in Xe. Up to 3 Torr of gaseous /sup 235/UF/sub 6/ was added to 600 Torr Ar-Xe before serious laser quenching occurred. With 3 Torr of /sup 235/UF/sub 6/ added, 38% of the energy deposition came from gaseous UF/sub 6/ and the remainder from the uranium wall coating. The neutron flux at lasing threshold was found to be 4 x 10/sup 15/ n/cm/sup 2/ sec.
- Research Organization:
- Miami University, Oxford, Ohio 45056
- OSTI ID:
- 5011129
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 37:8; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACTINIDE COMPOUNDS
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
BARYONS
CHEMICAL REACTIONS
DATA
ELEMENTARY PARTICLES
ENERGY-LEVEL TRANSITIONS
EVEN-ODD NUCLEI
EXCITATION
FERMIONS
FISSION FRAGMENTS
FLUORIDES
FLUORINE COMPOUNDS
GAS LASERS
HADRONS
HALIDES
HALOGEN COMPOUNDS
HEAVY NUCLEI
INFORMATION
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LASERS
LOW PRESSURE
MINUTES LIVING RADIOISOTOPES
NEUTRONS
NUCLEAR FRAGMENTS
NUCLEI
NUCLEONS
RADIOISOTOPES
THERMAL NEUTRONS
URANIUM 235
URANIUM COMPOUNDS
URANIUM FLUORIDES
URANIUM HEXAFLUORIDE
URANIUM ISOTOPES
WAVELENGTHS
YEARS LIVING RADIOISOTOPES