OPTICS EXPRESS, vol. 19, no. 17, page. 15919 - 15928, 2011-08-15
JOURNAL OF APPLIED PHYSICS, vol. 106, no. 5, page. 53507 - 53507, 2009-09-01
Nanoscale, vol. 9, no. 10, page. 3391 - 3398, 2017-02