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http://worldcat.org/entity/work/id/767157061

LIQUID LASER RESEARCH.

Results highly suggestive of laser action have been obtained for benzophenone and a chelate of terbium in rigid organic glasses at 77 K.A resonant laser cavity employing multiple-layer, dielectric-coated, confocal mirrors was constructed. This was used for the low-temperature glass studies. Extension of observations to liquid systems is a simple matter using the above cavity. A high power flash apparatus of 12,800 joule capacity was constructed for excitation purposes. A technique was developed for flashing lamps immersed in liquid nitrogen. Techniques were developed for incorporating aromatic compounds and chelates into plastic rods for laser evaluation. Lifetimes of aromatic compounds in plastics were measured. Rareearth ions and chelates were evaluated for potential laser action in liquid solutions and experimental studies were started. Novel ways of experimentally increasing quantum yields are under consideration. (Author).

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  • "Results highly suggestive of laser action have been obtained for benzophenone and a chelate of terbium in rigid organic glasses at 77 K.A resonant laser cavity employing multiple-layer, dielectric-coated, confocal mirrors was constructed. This was used for the low-temperature glass studies. Extension of observations to liquid systems is a simple matter using the above cavity. A high power flash apparatus of 12,800 joule capacity was constructed for excitation purposes. A technique was developed for flashing lamps immersed in liquid nitrogen. Techniques were developed for incorporating aromatic compounds and chelates into plastic rods for laser evaluation. Lifetimes of aromatic compounds in plastics were measured. Rareearth ions and chelates were evaluated for potential laser action in liquid solutions and experimental studies were started. Novel ways of experimentally increasing quantum yields are under consideration. (Author)."@en
  • "Recent theoretical considerations indicate that low temperatures may greatly increase the possibility of observing stimulated emission for such compounds as benzophenone. Experiments on rigid solutions of benzophenone in EPA (ether, isopentane and ethyl alcohol in the volume ratio 5:5:2) were continued. On the preparative side a number of new plastic systems were made. Optical quality rods of cross-linked polymethyl methacrylate containing benzophenone, naphthalene and benzophenone/naphthalene mixtures at several concentrations were prepared. Experiments on incorporating organic rare-earth chelates into plastics were continued. The europium chelate of orthohydroxy benzophenone was synthesised."@en

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  • "LIQUID LASER RESEARCH."@en
  • "LIQUID LASER RESEARCH"@en