[1] [1] G. B. Altshuler, A. V. Belikov, Y. A. Sinelnik, "A laser-abrasive method for the cutting of enamel and dentine," Lasers Surg. Med. 28(5), 435–444 (2001).

[2] [2] G. E. Romanos, A. V. Belikov, A. V. Skrypnik, F. I. Feldchtein, M. Z. Smirnov, G. B. Altshuler, "Uncovering dental implants using a new Thermo- Optically Powered (TOP) technology with tissue air-cooling," Lasers Surg. Med. 47, 411–420 (2015).

[3] [3] J. G. Manni, Dental Applications of Advanced Lasers (DAAL), JGM Associates, US (2004).

[4] [4] Ch. Tarapacki, C. Kumaradas, R. Karshafian, "Enhancing laser thermal-therapy using ultrasound– microbubbles and gold nanorods of in vitro cells," Ultrasonics 53, 793–798 (2013).

[5] [5] G. E. Romanos, "Diode laser soft-tissue surgery: Advancements aimed at consistent cutting, improved clinical outcomes," Compend. Contin. Educ. Dent. (Jamesburg, N.J.) 34, 752–757 (1995).

[6] [6] D. S. Kuznetsova, M. M. Karabut, V. V. Elagin, M. A. Shakhova, V. I. Bredikhin, V. A. Kamensky, "Comparative analysis of biotissue laser resection using strongly absorbing optical fiber tips," Opt. Photon. J. 5(1) (2015), Available at http://dx.doi. org/10.4236/opj.2015.51001.

[7] [7] R. Mettin, "From a single bubble to bubble structures in acoustic cavitation, Oscillations, Waves and Interactions, T. Kurz, U. Parlitz, U. Kaatze, Eds., Universitatsverlag, Gottingen. pp. 171–198 (2007).

[8] [8] V. I. Yusupov, V. M. Chudnovskii, V. N. Bagratashvili, "Laser-induced hydrodynamics in watersaturated biotissues. 1. Generation of bubbles in liquid," Laser Phys. 20, 1641–1646 (2010).

[9] [9] T. Lifshitz, J. Levy, I. Klemperer, S. Levinger, "Anterior chamber gas bubbles after corneal flap creation with a femtosecond laser," J. Cataract. Refract. Surg. 31, 2227–2229 (2005).

[10] [10] B. Verhaagen, D. F. Rivas, "Measuring cavitation and its cleaning effect," Ultrasonics Sonochemistry 29, 619–628 (2016).

[11] [11] S. Chen, R. Kinnick, J. F. Greenleaf, M. Fatemi, "Difference frequency and its harmonic emitted by microbubbles under dual frequency excitation," Ultrasonics 44, e123–e126 (2006).

[12] [12] D. Z. Xi, Y. Gong, X. Gong, "Techniques to improve subharmonic emission from encapsulated microbubbles," AIP Conf. Proc. 1022, 464–467 (2008).

[13] [13] A. O. Maksimov, "On the subharmonic emission of gas bubbles under two-frequency excitation," Ultrasonics 35, 79–86 (1997).

[14] [14] T. G. Leighton, A. D. Phelps, D. G. Ramble, D. A. Sharpe, "Comparison of the abilities of eight acoustic techniques to detect and size a single bubble," Ultrasonics 34, 661–667 (1996).

[15] [15] A. J. Hardwick, "The mechanism of subharmonic ultrasound modulation by forcibly oscillated bubbles," Ultrasonics 33, 341–343 (1995).

[16] [16] T. Niederdrank, "Experimental investigations of the acoustic backscattering of a single cavitation bubble," Ultrasonics 35, 517–523 (1997).

[17] [17] T. Christopher, "Source prebiasing for improved second harmonic bubble-response imaging," IEEE Trans. Ultrason. Ferroelectr. Freq. Control 46, 556–563 (1999).

[18] [18] T. Faez, M. Emmer, M. Docter, J. Sijl, M. Versluis, N. Jong, "Characterizing the subharmonic response of phospholipid-coated microbubbles for carotid imaging," Ultrasound Med. Biol. 37(6), 958–970 (2011).

[19] [19] K. Soetanto, M. Chan, "Study on the lifetime and attenuation properties of microbubbles coated with carboxylic acid salts," Ultrasonics 38, 969–977 (2000).

[20] [20] Y. Murata, Y. Watanabe, "Observation of vibration modes due to a small change in the initial radius of a microscopic bubble driven by intensive sound in water," Ultrasonics 34, 531–535 (1996).

[21] [21] H. J. Vos, Single Microbubble Imaging, Erasmus Medical Center. Rotterdam, Netherlands (2010).

[22] [22] A. D. Mansfel'd, D. A. Mansfel'd, A. M. Reyman, "Abilities of nonlinear acoustic methods in locating gas bubbles in biological tissues," Acoust. Phys. 51(2), 209–217 (2005).

[23] [23] A. D. Mansfel'd, G. P. Volkov, A. G. Sanin, I. A. Vladimirov, "Pulsed ultrasonic spectroscopy of gas bubbles," Acoust. Phys. 56(3), 290–298 (2010).

[24] [24] V. Daeichin, J. G. Bosch, A. Needles, "Subharmonic, non-linear fundamental and ultraharmonic imaging of microbubble contrast at high frequencies," Ultrasound Med. Biol. 41(2), 486–497 (2015).

[25] [25] Y. Zhang, X. Du, H. Xian, Y. Wu, "Instability of interfaces of gas bubbles in liquids under acoustic excitation with dual frequency," Ultrason. Sonochem. 23, 16–20 (2015).

[26] [26] Y. Zhang, S. Li, "Acoustical scattering cross section of gas bubbles under dual-frequency acoustic excitation," Ultrason. Sonochem. 26, 437–444 (2015).

[27] [27] C.-Y. Wu, M.-T. Lo, J. Tsa, D-H. Tsai, Y.-C. Chang, D.-R. Su, "The short-pulse subharmonic response of microbubbles based on a two-frequency approximation," Proc. IEEE Ultrasonics Symposium 2, pp. 1379–1382 (2004).

[28] [28] M.-T. Lo, J. Tsao, S. Lin, "Using the correlation property of subharmonic response as an index of cavitation of microbubbles," Proc. IEEE Ultrasonics Symposium 2, pp. 1383–1386 (2004).

[29] [29] J. Sijl, B. Dollet, M. Overvelde, V. Garbin, T. Rozendal, N. Jong, D. Lohse, M. Versluis, "Subharmonic behavior of phospholipid-coated ultrasound contrast agent microbubbles," J. Acoust. Soc. Am. 128(5), 3239–3252 (2010).

[30] [30] A. D. Phelps, T. G. Leighton, "High-resolution bubble sizing through detection of the subharmonic response with a two-frequency excitation technique," J. Acoust. Soc. Am. 99(4), 1985–1992 (1996).

[31] [31] Y. Zhang, "A generalized equation for scattering cross section of spherical gas bubbles oscillating in liquids under acoustic excitation," J. Fluids Eng. 135(9), 091301 (2013).

[32] [32] Y. Zhang, "Heat transfer across interfaces of oscillating gas bubbles in liquids under acoustic excitation," Int. Commun. Heat Mass Transf. 43, 1–7 (2013).

[33] [33] Y. Zhang, S. C. Li, "Notes on radial oscillations of gas bubbles in liquids: Thermal effects," J. Acoust. Soc. Am. 128(5), EL306–EL309 (2010).

[34] [34] M. Plesset, A. Prosperetti, "Bubble dynamics and cavitation," Ann. Rev. Fluid Mech. 9, 145–185 (1977).

[35] [35] M. A. Ainslie, T. G. Leighton, "Review of scattering and extinction cross-sections, damping factors, and resonance frequencies of a spherical gas bubble," J. Acoust. Soc. Am. 130(5), 3184–3208 (2011).