Experimental investigation of laser emission of dye-doped cholesteric liquid crystals with a cholesteric reflector
Abbreviated Journal Title
Mol. Cryst. Liquid Cryst.
cholesteric liquid crystal laser; cholesteric liquid crystal reflector; laser emission; laser enhancement; PHOTONIC BAND-EDGE; FILM; Crystallography
Dye-doped cholesteric liquid crystal (CLC) behaves like a one-dimensional photonic crystal laser when pumped by a second harmonic Nd-YAG pulsed laser. Usually circularly polarized laser light in the same sense as the cholesteric helix is emitted from both directions of the lasing cell. In this paper, we experimentally demonstrate the laser emission enhancement and investigate the corresponding polarization state from the dye-doped CLC laser in stack with another CLC reflector. Cell gap and dye concentration are important factors affecting the optical efficiency of the CLC lasers.
Molecular Crystals and Liquid Crystals
"Experimental investigation of laser emission of dye-doped cholesteric liquid crystals with a cholesteric reflector" (2006). Faculty Bibliography 2000s. 6777.