Transient Nonlinear Absorption and Optical Limiting Performance of Bithiophenes Derivatives in Near-Infrared Region. - Li, Shuting; Chen, Yu; Dong, Tianyang; Zhou, Wenfa; Wu, Xingzhi; Jiang, Li; Jia, Jidong; Yang, Junyi; Li, Zhongguo; Song, Yinglin (Photonics, 2026)