Applied Physics B

, Volume 52, Issue 3, pp 217–224 | Cite as

Measurement of Er:YAG laser ablation plume dynamics

  • J. T. WalshJr.
  • T. F. Deutsch


The dynamics of tissue ablation using an Er:YAG laser were studied using flash photography and optical pump-probe techniques. Both normal-spiking-mode and Q-switched Er:YAG laser radiation were used to study the ablation of skin and bone. Time-resolved photographs of the ablation plume were obtained using a microscope-mounted camera together with pulsed illumination from an excimer-pumped dye laser. The velocity of the plume front, obtained from the photographs, was approximately 1400 m/s. The same velocity was also measured using an optical pump-probe technique. Both techniques indicate that material removal occurred after the end of the 90-ns-long Q-switched laser pulse and that each micropulse in the normal-spiking-mode pulse train was capable of ablating and rapidly ejecting tissue.




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  1. 1.
    M.L. Wolbarsht: IEEE J. QE-20, 1427–1432 (1984)Google Scholar
  2. 2.
    R.F. Bonner, P.D. Smith, M. Leon, L. Esterowitz, M. Strom, K. Levin, D. Tran: Proc. SPIE713, 2–5 (1986)Google Scholar
  3. 3.
    J.S. Nelson, L. Yow, L.H. Liaw, L. Macleay, R.B. Zavar, A. Orenstein, W.H. Wright, J.J. Andrews, M.B. Berns: Lasers Surg. Med.8, 494–500 (1988)Google Scholar
  4. 4.
    J.T. Walsh, T.J. Flotte, T.F. Deutsch: Lasers Surg. Med.9, 314–325 (1989)Google Scholar
  5. 5.
    A.D. Zweig, M. Frenz, V. Romano, H.P. Weber: Appl. Phys. B47, 259–265 (1988)Google Scholar
  6. 6.
    F.U. Dabby, U.C. Paek: IEEE J. QE-8, 106–111 (1972)Google Scholar
  7. 7.
    D.I. Rosen, L.A. Popper: Proc. SPIE1064, 30–39 (1989)Google Scholar
  8. 8.
    A.D. Zweig, H.P. Weber: IEEE J. QE-23, 1787–1793 (1987)Google Scholar
  9. 9.
    J.T. Walsh, T.F. Deutsch: Lasers Surg. Med.8, 264–275 (1988)Google Scholar
  10. 10.
    J.F. Ready: Appl. Phys. Lett.3, 11–13 (1963)Google Scholar
  11. 11.
    U.C. Paek, V.J. Zaleckas: Ceram. Bull.54, 585–588 (1975)Google Scholar
  12. 12.
    M.R. Prince, T.F. Deutsch, A.H. Shapiro, R.J. Margolis, A.R. Oseroff, J.T. Fallon, J.A. Parrish, R.R. Anderson: Proc. Natl. Acad. Sci., USA83, 7064–7068 (1986)Google Scholar
  13. 13.
    C.A. Puliafito, D. Stern, R.R. Krueger, E.R. Mandel: Arch. Ophthalmology105, 1255–1259 (1988)Google Scholar
  14. 14.
    L. Sedov:Similarity and Dimensional Methods in Mechanics (Academic, New York 1959)Google Scholar
  15. 15.
    Ya.B. Zel'dovich, Yu.P. Raizer:Physics of Shock Waves and High Temperature Hydrodynamic Phenomena (Academic, New York 1966)Google Scholar
  16. 16.
    T.A. Leonard, P. Hammerling: J. Appl. Phys.51, 6130–6133 (1980)Google Scholar
  17. 17.
    D.A. Freiwald, R.A. Axford: J. Appl. Phys.46, 1171–1174 (1976)Google Scholar
  18. 18.
    P.E. Dyer, J. Sidhu: J. Appl. Phys.64, 4657–4663 (1988)Google Scholar
  19. 19.
    J.T. Walsh, T.F. Deutsch: Lasers Surg. Med.9, 327–337 (1989)Google Scholar
  20. 20.
    R.C. Weast, M.J. Astle (eds.):CRC Handbook of Chemistry and Physics, 60th edn. (CRC Press, Boca Raton, FL 1979) p. E-53Google Scholar
  21. 21.
    J.T. Walsh, T.F. Deutsch: IEEE Trans. BE-36, 1195–1201 (1989)Google Scholar
  22. 22.
    D. Stern, C.A. Puliafito, E.T. Dobi, W.I. Reidy: Ophthalmology95, 1434–1441 (1988)Google Scholar
  23. 23.
    H. Loertscher, S. Mandelbaum, R.K. Parrish, J.M. Parel: Am. J. Ophthalmol.102, 217–221 (1986)Google Scholar
  24. 24.
    K.T. Schomacker, J.T. Walsh, J.T. Flotte, T.F. Deutsch: Lasers Surg. Med.10, 74–84 (1990)Google Scholar
  25. 25.
    A.D. Zweig, B. Meierhofer, O.M. Müller, C. Mischler, V. Romano, M. Frenz, H.P. Weber: Lasers Surg. Med.10, 262–274 (1990)Google Scholar
  26. 26.
    B. Zysset, J.G. Fujimoto, T.F. Deutsch: Appl. Phys. B48, 139–147 (1989)Google Scholar
  27. 27.
    R. Srinivasan, B. Braren, K.G. Casey, M. Yen: Appl. Phys. Lett.55, 2790–2792 (1989)Google Scholar
  28. 28.
    R. Srinivasan, P.E. Dyer, B. Braren: Lasers Surg. Med.6, 514–519 (1987)Google Scholar
  29. 29.
    R. Srinivasan: Science234, 559–565 (1986)Google Scholar
  30. 30.
    S. Wantanabe, J.T. Flotte, D.J. McAuliffe, S.L. Jacques: J. Invest. Dermatol.90, 761–766 (1988)Google Scholar
  31. 31.
    Y. Domankevitz, N. Nishioka: IEEE J. Quantum Electron. (in press)Google Scholar

Copyright information

© Springer-Verlag 1991

Authors and Affiliations

  • J. T. WalshJr.
    • 1
  • T. F. Deutsch
    • 1
  1. 1.Wellman Laboratories of Photomedicine, Department of DermatologyMassachusetts General HospitalBostonUSA

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