Broadband thermal optical limiter

作者：Brian L. Justus, Alan L. Huston, A. J. Campillo · 发表于：Applied Physics Letters · 年份：1993 · DOI：10.1063/1.109663 · 被引用次数：87 · 研究领域：Nonlinear Optical Materials Studies、Laser-Matter Interactions and Applications、Photochemistry and Electron Transfer Studies

The limiting behavior of nigrosin dye dissolved in carbon disulfide was investigated in an f/5 defocusing geometry using 6 ns duration 532 nm laser excitation. Nigrosin dye is a broadband visible light absorber that is used here in conjunction with the large thermal nonlinearity of carbon disulfide solvent to defocus intense incident visible light. A limiting threshold energy of 40 nJ, corresponding to a fluence of only 100 mJ/cm2 in the solution, was observed with device absorption adjusted to 53%.