Effect of Dy3+ ion clusters in CaF2: Dy3+ crystals on yellow and mid-infrared laser characteristics. - Zheng, Longxing; Huang, Yixiang; Zhu, Zhaojie; Huang, Yizhi; Tu, Chaoyang; Lakshminarayana, G.; Wang, Yan (CrystEngComm, 2026)