Nonlinear liquid-crystal fiber structures for passive optical limiting of short

2020-03-30 08:10:56

crystal fiber optical laser Limiting

责任者: Khoo, IC;Wood, MV;Lee, M;Guenther, BD 单位: 来源出处: OPTICS LETTERS, v 21, OCT 15 1996, p 1625- 1627 摘要: Optical limiting of nanosecond and picosecond laser pulses through millimeter-length isotropic liquid-crystal-cored fiber structures is reported. Low limiting threshold and clamped transmitted outputs are observed. The underlying nonlinear mechanisms are nonlinear photoabsorptions and scattering and lossy waveguiding caused by laser-induced thermal-density index fluctuations. (C) 1996 Optical Society of America 关键词: carbon clusters; field evaporation; graphite; scanning tunneling microscopy microscopy; ABSORPTION