[1] Herbst T, Hinz P 2004 SPIE 5491 383
[2] Herbst T, Ragazzoni R, Eckart A, Weigelt G 2008 SPIE 7013 7013261
[3] Jerry N, Gary H S, Larry M S, Roberto G 2008 SPIE 7012 70121A1
[4] Chanan G, Troy M, Sirko E 1999 Appl. Opt. 38 704
[5] Gonte F, Mazzoleni R, Surdej I, Noethe L 2011 Appl. Opt. 50 1660
[6] de Young D B, Dillow J, Corcoran S, Andrews E, Yellowhair J, de Vries K 1998 SPIE 3356 1156
[7] Su D Q, Zou W Y, Zhang Z C, Qu Y G, Yang S Y, Wang L J, Rao Y M 2000 SPIE 4003 417
[10] Esposito S, Pinna E, Tozzi A, Stefanini P, Devaney N 2003 SPIE 5169 72
[12] Chanan G, Troy M, Dekens F, Michaels S, Nelson J, Mast T, Kirkman D 1998 Appl. Opt. 37 140
[13] Chanan G, Ohara C, Troy M 2000 Appl. Opt. 39 4706
[14] Shi F, Redding D C, Lowman A E, Bowers C W, Burns L A, Petrone III P, Ohara C M, Basinger S A 2003 SPIE 4850 318
[15] Shi F, Chanan G, Ohara C, Mitchell T, David C R 2004 Appl. Opt. 43 4474
[17] Tremou E, Eckart A, Horrobin M, Lindhorst B, Moser L, Rost S, Smajic S, Straubmeier C, Wank I, Zuther J, Bertram T 2010 SPIE 7734 7734411
[19] Liu Z, Wang S Q, Rao C H 2012 Chin. Phys. B 21 604