Temperature self-compensation strain sensor based on cascaded concave-lens-like long-period fiber gratings Zhang, Yunshan ; Zhang, Yanxin ; Zhang, Weigang ; Yu, Lin ; Kong, Lingxin ; Yan, Tieyi ; Chen, Lei Abstract Publication: Applied Optics Pub Date: March 2020 DOI: 10.1364/AO.382844 Bibcode: 2020ApOpt..59.2352Z