Chen, Y.-F.Y.-F.ChenYang, B.-J.B.-J.YangTsai, J.-C.J.-C.TsaiJUI-CHE TSAI2018-09-102018-09-102015http://www.scopus.com/inward/record.url?eid=2-s2.0-84958559667&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/392945Surface-micromachined MEMS tunable three-leaf trefoil-type corner cube retro-reflector for free-space optical applicationsjournal article10.1109/JSTQE.2014.2381462