1 S.. Du, M.B. Squires, Y.. Imai, L.. Czaia, R.A. Saravanan, V.M. Bright, J.. Reichel, T.W. Hänsch, and D.Z. Anderson, Phys. Rev. A 70, (2004).
1 C.J.E. Straatsma, M.K. Ivory, J.. Duggan, J.. Ramirez-Serrano, D.Z. Anderson, and E.A. Salim, Optics Letters 40, (2015).