Highly thermal-stable heterodyne interferometer with minimized periodic nonlinearity Fu, Haijin ; Wu, Guolong ; Hu, Pengcheng ; Ji, Ruidong ; Tan, Jiubin ; Ding, Xuemei Abstract Publication: Applied Optics Pub Date: February 2018 DOI: 10.1364/ao.57.001463 Bibcode: 2018ApOpt..57.1463F