[1] Dai Caihong, Khlevnoy B, Wu Zhifeng, et. al. J. Metro. Soc. India, 2017, 32: 243.
[3] Ping-Shine Shaw, Uwe Arp, Robert D Saunders, et al. Appl. Optics, 2007, 46: 25.
[4] Li Zhi-gang, Shaw Ping-Shine, Uwe Arp, et. al. Metrologia, 2010, 47: 429.
[5] Beckhoff B, Gottwald A, Klein R, et al. Phys. Status Solidi B, 2009, 246: 1415.
[6] Romero J, Fox N P, Frhlich C, et al. Metrologia, 1991, 28: 125.
[7] Fehlmann A, Kopp G, Schmutz W, et al. Metrologia, 2012, 49: S34.
[8] Steven W Brown, George P Eppeldauer, Keith R Lykke. Appl. Opt., 2006, 45: 8218.
[9] Zong Yuqin, Steven W Brown, George P Eppeldauer, et al. Metrologia, 2012, 49: S124.
[10] Ville Ahtee, Steven W Brown, Thomas C Larason, et al. Appl. Opt., 2007, 46: 4228.
[11] Michaela Schuster, Saulius Nevas, Armin Sperling, et al. Appl. Opt., 2012, 51: 1950.
[14] Shin Dong-Joo, Park Seong Chong, Jeong Ki-Lyong, et al. Metrologia, 2014, 51: 25.