Enhancement of laser emission intensity in dye-doped cholesteric liquid crystals with single-output window

摘要

Lasing from a dye-doped cholesteric liquid crystal (CLC) has been studied in cells with a single-output window. One of the glass substrates of the cells was coated with a polymeric CLC film having a high reflectance for laser emission or an aluminum layer for reflection of both pump and lasing beams. Laser, emission toward one direction was observed with enhanced intensity.