[1] [1] Lin Y, Thayer D, Nalcioglu O, et al. Journal of Biomedical Optics, 2011, 16(10): 106015.

[2] [2] Habermehl C, Schmitz C H, Steinbrink J. Optics Express, 2011, 19(19): 18636.

[3] [3] Jung J W, Lee O K, Ye J C. Optics Express, 2012, 20(6): 6267.

[4] [4] Sandell J L, Zhu T C. Journal of Biophotonics, 2011, 4(11): 773.

[5] [5] Becker T L, Paquette A D, Keymel K R, et al. Biomedical Optics Express, 2011, 2(1): 123.

[6] [6] Suzuki Y, Maruo K, Zhang A W, et al. Journal of Biomedical Optics, 2012, 17(1): 017004.

[7] [7] Lavinio A, Schmidt E A, Haubrich C, et al. Stroke, 2007, 38(2): 402.

[8] [8] Chandler N P, Ford T R P, Monteith B D. International Endodontic Journal, 2010, 43(1): 41.

[9] [9] Boas D A, Dunn A K. Journal of Biomedical Optics, 2010, 15(1): 011109.

[10] [10] Jobsis F F. Science, 1977, 198(4323): 1264.

[11] [11] Yodh A G, Chance B. Physics Today, 1995, 48: 34.

[12] [12] Belau M, Ninck M, Hering G, et al. Journal of Biomedical Optics, 2010, 15(5): 057007.

[13] [13] Durduran T, Choe R, Baker W B, et al. Reports on Progress in Physics, 2010, 73(7): 076701.