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VOLUME 32 (1980) | ISSUE 1 | PAGE 27
Generation of tunable radiation by impurity cholesteric liquid crystals
A generation of light in dye-activated oriented layers of cholesteric liquid crystals (CLC) was obtained for the first time. The spiral structure of the CLC provided a distributed feedback. Temperature tuning of a narrow generation band was obtained experimentally as a result of temperature variation of the pitch of the cholesteric spiral.