[1] [1] Puppels G J, De Mul F F M, Otto C, et al. Nature, 1990, 347(6290): 301.

[2] [2] Ninet S, Datchi F, Dumas P, et al. Phys. Rev. B, 2014, 89(17): 174103.

[4] [4] Schaefer Jonathan J, Ma Chaoxiong, Harris Joel M. Analytical Chemistry, 2012,3, 84(21): 9505.

[5] [5] Kang Jeon Woong, So Peter T C, Dasari Ramachandra R, et al. Nano. Lett., 2015, 15(3): 1766.

[6] [6] Gonchukov S A, Lonkina T V, Minaeva S A, et al. Laser Phys. Lett., 2014, 11(1): 015602.

[7] [7] Day John C C, Stone Nicholas. Applied Spectroscopy, 2013, 67(3): 349.

[8] [8] Vandenabeele P, Edwards H G, Moens L. Chemical Reviews, 2007, 107(3): 675.

[9] [9] Stewart S P, Bell S E J, McAuley D. Forensic Science International, 2012, 216: e5.

[10] [10] Arrasmith C L, Patil C A, Dickensheets D L, et al. A.Proc. of SPIE, 2009, 7169: 71690N1.

[12] [12] Graf D, Molitor F, Ensslin K, et al. Nano. Lett., 2007, 7(2): 238.

[13] [13] Chan J, Taylor D, Lane S. Anal. Chem., 2008, 80(6): 2180.

[14] [14] Bernard S, Beyssac O, Benzerara K. Applied Spectroscopy, 2008, 62(11): 1180.