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Chen Z, Hefferman G, Wei T.Chen Z, et al. Among authors: hefferman g.Opt Lett. 2017 Mar 1;42(5):1007-1010. doi: 10.1364/OL.42.001007.Opt Lett. 2017.PMID: 28248353
Chen Z, Yuan L, Hefferman G, Wei T.Chen Z, et al. Among authors: hefferman g.Opt Lett. 2015 Feb 1;40(3):320-3. doi: 10.1364/OL.40.000320.Opt Lett. 2015.PMID: 25680037
Yao Z, Mauldin T, Xu Z, Hefferman G, Wei T.Yao Z, et al. Among authors: hefferman g.Opt Lett. 2020 Nov 1;45(21):6086-6089.Opt Lett. 2020.PMID: 33137075
Yao Z, Mauldin T, Hefferman G, Xu Z, Liu M, Wei T.Yao Z, et al. Among authors: hefferman g.Appl Opt. 2019 Aug 10;58(23):6211-6216. doi: 10.1364/AO.58.006211.Appl Opt. 2019.PMID: 31503761