Abstract

Scattering of femtosecond laser pulses by small droplets has been measured and compared with predictions, yielding some interesting new applications for time integrated detection of the scattered field. The scattering intensity of integrated detection becomes monotonic with droplet size over large regions of scattering angle and morphology dependent resonances are surpressed, opening the way for particle sizing using the scattered intensity. Furthermore, the ripple structure no longer appears in the rainbow region of scattering, simplifying rainbow refractometry significantly. These scattering proporties of femtosecond laser pulses have been demonstrated in the laboratory using a novel Paul trap for levitating single droplets.

© 2008 Optical Society of America

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2006

M. Peil, I. Fischer, W. Elsäer, S. Bakić, N. Damaschke, C. Tropea, S. Stry, and J. Sacher, "Rainbow refractometry with a tailored incoherent semiconductor laser source," Appl. Phys. Lett. 89, 091106 (2006).

2005

N. Damaschke, H. Nobach, T. I. Nonn, N. Semidetnov, and C. Tropea, "Multi-dimensional particle sizing techniques," Exp. Fluids 39, 336-350 (2005).

2004

H. Bech and A. Leder, "Particle sizing by ultrashort laser pulses--numerical simulation," Optik 115, 205-217 (2004).

2003

R. Domann and Y. Hardalupas, "Quantitative measurement of planar droplet Sauter mean diameter in sprays using planar droplet sizing," Part. Part. Syst. Charact. 20, 209-218 (2003).

T. Siebert, O. Sbanski, M. Schmitt, V. Engel, W. Kiefer, and J. Popp, "The mechanism of light storage in spherical microcavities explored on a femtosecond time scale," Opt. Commun. 216, 321-327 (2003).

N. Fujisawa, A. Hosokawa, and S. Tomimatsu, "Simultaneous measurement of droplet size and velocity field by an interferometric imaging technique in spray combustion," Meas. Sci. Technol. 14, 1341-1349 (2003).

2002

C. Favre, V. Boutou, S. C. Hill, W. Zimmer, M. Krenz, H. Lambrecht, J. Yu, R. K. Chang, L. Woeste, and J. P. Wolf, "White-light nanosource with directional emission," Phys. Rev. Lett. 89, 035002 (2002).

2001

J. P. Wolf, Y. L. Pan, G. M. Turner, M. C. Beard, C. A. Schmuttenmaer, S. Holler, and R. K. Chang, "Ballistic trajectories of optical wave packets within microcavities," Phys. Rev. A 64, 023808 (2001).

J. P. A. J. van Beeck, L. Zimmer, and M. L. Riethmuller, "Global rainbow thermometry for mean temperature and size measurement of spray droplets," Part. Part. Syst. Charact. 18, 196-204 (2001).

L. Mees, G. Gouesbet, and G. Grehan, "Scattering of laser pulses (plane wave and focused Gaussian beam) by spheres," Appl. Opt. 40, 2546-2550 (2001).

2000

G. Gouesbet and G. Grehan, "Generalized Lorenz-Mie theories, from past to future," Atomization Sprays 10, 277-333 (2000).

S. C. Hill, V. Boutou, J. Yu, S. Ramstein, J. P. Wolf, Y. L. Pan, S. Holler, and R. K. Chang, "Enhanced backward-directed multiphoton-excited flourescence from dielectric microcavities," Phys. Rev. Lett. 85, 54-57 (2000).

1995

1992

1991

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, "Optical coherence tomography," Science 254, 1178-1181 (1991).

1988

1984

Appl. Opt.

Appl. Phys. Lett.

M. Peil, I. Fischer, W. Elsäer, S. Bakić, N. Damaschke, C. Tropea, S. Stry, and J. Sacher, "Rainbow refractometry with a tailored incoherent semiconductor laser source," Appl. Phys. Lett. 89, 091106 (2006).

Atomization Sprays

G. Gouesbet and G. Grehan, "Generalized Lorenz-Mie theories, from past to future," Atomization Sprays 10, 277-333 (2000).

Exp. Fluids

N. Damaschke, H. Nobach, T. I. Nonn, N. Semidetnov, and C. Tropea, "Multi-dimensional particle sizing techniques," Exp. Fluids 39, 336-350 (2005).

J. Opt. Soc. Am. A

Meas. Sci. Technol.

N. Fujisawa, A. Hosokawa, and S. Tomimatsu, "Simultaneous measurement of droplet size and velocity field by an interferometric imaging technique in spray combustion," Meas. Sci. Technol. 14, 1341-1349 (2003).

Opt. Commun.

T. Siebert, O. Sbanski, M. Schmitt, V. Engel, W. Kiefer, and J. Popp, "The mechanism of light storage in spherical microcavities explored on a femtosecond time scale," Opt. Commun. 216, 321-327 (2003).

Opt. Lett.

Optik

H. Bech and A. Leder, "Particle sizing by ultrashort laser pulses--numerical simulation," Optik 115, 205-217 (2004).

Part. Part. Syst. Charact.

J. P. A. J. van Beeck, L. Zimmer, and M. L. Riethmuller, "Global rainbow thermometry for mean temperature and size measurement of spray droplets," Part. Part. Syst. Charact. 18, 196-204 (2001).

R. Domann and Y. Hardalupas, "Quantitative measurement of planar droplet Sauter mean diameter in sprays using planar droplet sizing," Part. Part. Syst. Charact. 20, 209-218 (2003).

Phys. Rev. A

J. P. Wolf, Y. L. Pan, G. M. Turner, M. C. Beard, C. A. Schmuttenmaer, S. Holler, and R. K. Chang, "Ballistic trajectories of optical wave packets within microcavities," Phys. Rev. A 64, 023808 (2001).

Phys. Rev. Lett.

C. Favre, V. Boutou, S. C. Hill, W. Zimmer, M. Krenz, H. Lambrecht, J. Yu, R. K. Chang, L. Woeste, and J. P. Wolf, "White-light nanosource with directional emission," Phys. Rev. Lett. 89, 035002 (2002).

S. C. Hill, V. Boutou, J. Yu, S. Ramstein, J. P. Wolf, Y. L. Pan, S. Holler, and R. K. Chang, "Enhanced backward-directed multiphoton-excited flourescence from dielectric microcavities," Phys. Rev. Lett. 85, 54-57 (2000).

Science

A. H. Zewail, "Laser femtochemistry," Science 242, 1645-1653 (1988).

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, "Optical coherence tomography," Science 254, 1178-1181 (1991).

Other

J. P. A. J. van Beeck, Rainbow Phenomena: Development of a Laser Based, Non-Intrusive Technique for Measuring Droplet Size Temperature and Velocity (Technische Universiteit Eindhoven, 1997).

N. Damaschke, "Light scattering theories and their use for single particle characterization," in Fachgebiet Strömungslehre und Aerodynamik (Technische Universität Darmstadt, 2003).

A. Frohn and N. Roth, Dynamics of Droplets (Springer-Verlag, 2000).

H.-E. Albrecht, M. Borys, N. Damaschke, and C. Tropea, Laser Doppler and Phase Doppler Measurement Techniques (Springer-Verlag, 2003).

M. Raffel, C. Willert, and J. Kompenhans, Particle Image Velocimetry (Springer-Verlag, 1998).

H. C. van de Hulst, Light Scattering by Small Particles (Dover, 1981).

J. Wilms, "Evaporation of multicomponent droplets," in Institut für Thermodynamik der Luft- und Raumfahrt (Universität Stuttgart, 2005), p. 157.

K. Heukelbach, J. Hom, and N. Chigier, "Capabilities and limitations of the rainbow refractometer, determined with temperature measurements of water droplets," presented at the ILASS-Americas 11th Annual Conference on Liquid Atomization and Spray Systems, Sacramento, Calif., 17-21 May 1998.

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