Abstract

We demonstrate a method for the optical trapping of solid aerosol particles. Suspension of silica particles in ethanol allows their delivery to the trapping volume using a commercial medical nebulizer. The ethanol quickly evaporates, leaving the solid particles trapped in air. We use the technique to make comparisons between aerosol and colloid tweezing through power spectra analysis of the particle’s positions fluctuations for identical particles trapped in a water or air suspending medium.

© 2008 Optical Society of America

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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef]
  22. R. di Leonardo, G Ruocco, J. Leach, M. J. Padgett, A. J. Wright, J. M. Girkin, D. R. Burnham, D. McGloin, "Parametric resonance of optically trapped aerosols," Phys. Rev. Lett. 99, 010601 (2007).
    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef] [PubMed]
  32. M. D. King, K. C. Thompson, A. D. Ward, C. Pfrang, B. R. Hughes, "Oxidation of biogenic and water-soluble compounds in aqueous and organic aerosol droplets by ozone: a kinetic and product analysis approach using laser Raman tweezers," Faraday Discuss. 137, 173-192 (2008).
    [CrossRef] [PubMed]

2008

K. Dholakia, P. Reece, and M. Gu, "Optical micromanipulation," Chem. Soc. Rev. 37, 42-55 (2008).
[CrossRef] [PubMed]

L. Mitchem and J. P. Reid, "Optical manipulationand characterization of aerosol particles using a single-beam gradient force optical trap," Chem. Soc. Rev. 37, 756-769 (2008).
[CrossRef] [PubMed]

D. McGloin, D. R. Burnham, M. D. Summers, D. Rudd, N. Dewar, and S. Anand, "Optical manipulation of airborne particles: techniques and applications," Faraday Discuss. 137, 335-350 (2008)
[CrossRef] [PubMed]

M. D. King, K. C. Thompson, A. D. Ward, C. Pfrang, B. R. Hughes, "Oxidation of biogenic and water-soluble compounds in aqueous and organic aerosol droplets by ozone: a kinetic and product analysis approach using laser Raman tweezers," Faraday Discuss. 137, 173-192 (2008).
[CrossRef] [PubMed]

2007

R. di Leonardo, G Ruocco, J. Leach, M. J. Padgett, A. J. Wright, J. M. Girkin, D. R. Burnham, D. McGloin, "Parametric resonance of optically trapped aerosols," Phys. Rev. Lett. 99, 010601 (2007).
[CrossRef] [PubMed]

2006

S. F. Toli?-Nørrelykke, E. Schäffer, J. Howard, F. S. Pavone, F. Juelicher, and H. Flyvbjerg, "Calibration of optical tweezers with positional detection in the back focal plane," Rev. Sci. Instrum. 77, 103101 (2006).
[CrossRef]

D. McGloin, "Optical tweezers: 20 years on," Philos. Trans. R. Soc. London, Ser. A 364, 3521-3537 (2006).
[CrossRef]

J. Buajarern, L. Mitchem, A. D. Ward, N. H. Nahler, D. McGloin, and J. P. Reid, "Controlling and characterizing the coagulation of liquid aerosol droplets," J. Chem. Phys. 125, 114506 (2006).

B. H. Larson and B. D. Swanson, "Experimental investigation of the homogeneous freezing of aqueous ammonium sulfate droplets," J. Phys. Chem. A. 110, 1907-1916 (2006).
[CrossRef] [PubMed]

K. Vermeulen, G. Wuite, G. Stienen, and C. Schmidt, "Optical trap stiffness in the presence and absence of spherical aberrations," Appl. Opt. 45, 1812-1819 (2006).
[CrossRef] [PubMed]

D. R. Burnham and D. McGloin, "Holographic optical trapping of aerosol droplets," Opt. Express 14, 4175-4181 (2006).
[CrossRef] [PubMed]

M. D. Summers, J. P. Reid, and D. McGloin, "Optical guiding of aerosol droplets," Opt. Express 14, 6373-6380 (2006).
[CrossRef] [PubMed]

2004

J. K. Dreyer, K. Berg-Sørensen, and L. Oddershede, "Improved axial position detection in optical tweezers measurements," Appl. Opt. 43, 1991-1995 (2004).
[CrossRef] [PubMed]

R. J. Hopkins, L. Mitchem, A. D. Ward, and J. P. Reid, "Control and characterisation of a single aerosol droplet in a single-beam gradient-force optical trap," Phys. Chem. Chem. Phys. 6, 4924-4927 (2004).
[CrossRef]

K. Berg-Sørensen and H. Flyvbjerg, "Power spectrum analysis for optical tweezers," Rev. Sci. Instrum. 75, 594-612 (2004).
[CrossRef]

2003

C. Mund and R. Zellner, "Optical levitation of single microdroplets at temperatures down to 180 K," Chem. Phys. Chem. 4, 630-638 (2003).
[CrossRef] [PubMed]

1999

1998

1997

1996

1995

1994

L. Ghislain, N. Switz, and W. Webb, "Measurement of small forces using an optical trap," Rev. Sci. Instrum. 65,2762-2768, 1994.
[CrossRef]

1993

G. G. Hoffmann, E. Lentz, and B. Schrader, "Simple device for the generation and optical levitation of single aerosol-particles," Rev. Sci. Instrum. 64, 823-824 (1993).
[CrossRef]

1992

A. Ashkin, "Forces of a single-beam gradient laser trap on a dielectric sphere in the ray optics regime," Biophys. J. 61, 569-582 (1992).
[CrossRef] [PubMed]

1986

1984

1980

1971

A. Ashkin and J. M. Dziedzic, "Optical levitation by radiation pressure," Appl. Phys. Lett. 19, 283-285 (1971).
[CrossRef]

1945

M. C. Wang and G. E. Uhlenbeck, "On the Theory of Brownian Motion II," Rev. Mod. Phys. 17, 323-342 (1945)
[CrossRef]

Allersma, M.

M. Allersma, F. Gittes, M. de Castro, R. Stewart, and C. Schmidt, "Two-dimensional tracking of ncd motility by back focal plane interferometry," Biophys. J. 74, 1074-1085 (1998).
[CrossRef] [PubMed]

Anand, S.

D. McGloin, D. R. Burnham, M. D. Summers, D. Rudd, N. Dewar, and S. Anand, "Optical manipulation of airborne particles: techniques and applications," Faraday Discuss. 137, 335-350 (2008)
[CrossRef] [PubMed]

Ashkin, A.

Berg-Sørensen, K.

K. Berg-Sørensen and H. Flyvbjerg, "Power spectrum analysis for optical tweezers," Rev. Sci. Instrum. 75, 594-612 (2004).
[CrossRef]

J. K. Dreyer, K. Berg-Sørensen, and L. Oddershede, "Improved axial position detection in optical tweezers measurements," Appl. Opt. 43, 1991-1995 (2004).
[CrossRef] [PubMed]

Bjorkholm, J. E.

Booker, G. R.

Buajarern, J.

J. Buajarern, L. Mitchem, A. D. Ward, N. H. Nahler, D. McGloin, and J. P. Reid, "Controlling and characterizing the coagulation of liquid aerosol droplets," J. Chem. Phys. 125, 114506 (2006).

Burnham, D. R.

D. McGloin, D. R. Burnham, M. D. Summers, D. Rudd, N. Dewar, and S. Anand, "Optical manipulation of airborne particles: techniques and applications," Faraday Discuss. 137, 335-350 (2008)
[CrossRef] [PubMed]

R. di Leonardo, G Ruocco, J. Leach, M. J. Padgett, A. J. Wright, J. M. Girkin, D. R. Burnham, D. McGloin, "Parametric resonance of optically trapped aerosols," Phys. Rev. Lett. 99, 010601 (2007).
[CrossRef] [PubMed]

D. R. Burnham and D. McGloin, "Holographic optical trapping of aerosol droplets," Opt. Express 14, 4175-4181 (2006).
[CrossRef] [PubMed]

D. R. Burnham and D. McGloin, In Preparation

Chang, R. K.

Chu, S.

de Castro, M.

M. Allersma, F. Gittes, M. de Castro, R. Stewart, and C. Schmidt, "Two-dimensional tracking of ncd motility by back focal plane interferometry," Biophys. J. 74, 1074-1085 (1998).
[CrossRef] [PubMed]

Dearden, E. W.

Dewar, N.

D. McGloin, D. R. Burnham, M. D. Summers, D. Rudd, N. Dewar, and S. Anand, "Optical manipulation of airborne particles: techniques and applications," Faraday Discuss. 137, 335-350 (2008)
[CrossRef] [PubMed]

Dholakia, K.

K. Dholakia, P. Reece, and M. Gu, "Optical micromanipulation," Chem. Soc. Rev. 37, 42-55 (2008).
[CrossRef] [PubMed]

di Leonardo, R.

R. di Leonardo, G Ruocco, J. Leach, M. J. Padgett, A. J. Wright, J. M. Girkin, D. R. Burnham, D. McGloin, "Parametric resonance of optically trapped aerosols," Phys. Rev. Lett. 99, 010601 (2007).
[CrossRef] [PubMed]

Dreyer, J. K.

Dziedzic, J. M.

Flyvbjerg, H.

S. F. Toli?-Nørrelykke, E. Schäffer, J. Howard, F. S. Pavone, F. Juelicher, and H. Flyvbjerg, "Calibration of optical tweezers with positional detection in the back focal plane," Rev. Sci. Instrum. 77, 103101 (2006).
[CrossRef]

K. Berg-Sørensen and H. Flyvbjerg, "Power spectrum analysis for optical tweezers," Rev. Sci. Instrum. 75, 594-612 (2004).
[CrossRef]

Friese, M. E. J.

Ghislain, L.

L. Ghislain, N. Switz, and W. Webb, "Measurement of small forces using an optical trap," Rev. Sci. Instrum. 65,2762-2768, 1994.
[CrossRef]

Girkin, J. M.

R. di Leonardo, G Ruocco, J. Leach, M. J. Padgett, A. J. Wright, J. M. Girkin, D. R. Burnham, D. McGloin, "Parametric resonance of optically trapped aerosols," Phys. Rev. Lett. 99, 010601 (2007).
[CrossRef] [PubMed]

Gittes, F.

M. Allersma, F. Gittes, M. de Castro, R. Stewart, and C. Schmidt, "Two-dimensional tracking of ncd motility by back focal plane interferometry," Biophys. J. 74, 1074-1085 (1998).
[CrossRef] [PubMed]

Gu, M.

K. Dholakia, P. Reece, and M. Gu, "Optical micromanipulation," Chem. Soc. Rev. 37, 42-55 (2008).
[CrossRef] [PubMed]

Hars, G.

G. Hars and Z. Tass, "Application of quadrupole ion trap for the accurate mass determination of submicron size charged particles," J. Appl. Phys. 77, 4245-4250 (1995).
[CrossRef]

Heckenberg, N. R.

Hoffmann, G. G.

G. G. Hoffmann, E. Lentz, and B. Schrader, "Simple device for the generation and optical levitation of single aerosol-particles," Rev. Sci. Instrum. 64, 823-824 (1993).
[CrossRef]

Holler, S.

Hopkins, R. J.

R. J. Hopkins, L. Mitchem, A. D. Ward, and J. P. Reid, "Control and characterisation of a single aerosol droplet in a single-beam gradient-force optical trap," Phys. Chem. Chem. Phys. 6, 4924-4927 (2004).
[CrossRef]

Howard, J.

S. F. Toli?-Nørrelykke, E. Schäffer, J. Howard, F. S. Pavone, F. Juelicher, and H. Flyvbjerg, "Calibration of optical tweezers with positional detection in the back focal plane," Rev. Sci. Instrum. 77, 103101 (2006).
[CrossRef]

Hughes, B. R.

M. D. King, K. C. Thompson, A. D. Ward, C. Pfrang, B. R. Hughes, "Oxidation of biogenic and water-soluble compounds in aqueous and organic aerosol droplets by ozone: a kinetic and product analysis approach using laser Raman tweezers," Faraday Discuss. 137, 173-192 (2008).
[CrossRef] [PubMed]

Juelicher, F.

S. F. Toli?-Nørrelykke, E. Schäffer, J. Howard, F. S. Pavone, F. Juelicher, and H. Flyvbjerg, "Calibration of optical tweezers with positional detection in the back focal plane," Rev. Sci. Instrum. 77, 103101 (2006).
[CrossRef]

Kiefer, W.

King, M. D.

M. D. King, K. C. Thompson, A. D. Ward, C. Pfrang, B. R. Hughes, "Oxidation of biogenic and water-soluble compounds in aqueous and organic aerosol droplets by ozone: a kinetic and product analysis approach using laser Raman tweezers," Faraday Discuss. 137, 173-192 (2008).
[CrossRef] [PubMed]

Kobayashi, T.

Laczik, Z.

Larson, B. H.

B. H. Larson and B. D. Swanson, "Experimental investigation of the homogeneous freezing of aqueous ammonium sulfate droplets," J. Phys. Chem. A. 110, 1907-1916 (2006).
[CrossRef] [PubMed]

Leach, J.

R. di Leonardo, G Ruocco, J. Leach, M. J. Padgett, A. J. Wright, J. M. Girkin, D. R. Burnham, D. McGloin, "Parametric resonance of optically trapped aerosols," Phys. Rev. Lett. 99, 010601 (2007).
[CrossRef] [PubMed]

Lentz, E.

G. G. Hoffmann, E. Lentz, and B. Schrader, "Simple device for the generation and optical levitation of single aerosol-particles," Rev. Sci. Instrum. 64, 823-824 (1993).
[CrossRef]

McGloin, D.

D. McGloin, D. R. Burnham, M. D. Summers, D. Rudd, N. Dewar, and S. Anand, "Optical manipulation of airborne particles: techniques and applications," Faraday Discuss. 137, 335-350 (2008)
[CrossRef] [PubMed]

R. di Leonardo, G Ruocco, J. Leach, M. J. Padgett, A. J. Wright, J. M. Girkin, D. R. Burnham, D. McGloin, "Parametric resonance of optically trapped aerosols," Phys. Rev. Lett. 99, 010601 (2007).
[CrossRef] [PubMed]

M. D. Summers, J. P. Reid, and D. McGloin, "Optical guiding of aerosol droplets," Opt. Express 14, 6373-6380 (2006).
[CrossRef] [PubMed]

D. R. Burnham and D. McGloin, "Holographic optical trapping of aerosol droplets," Opt. Express 14, 4175-4181 (2006).
[CrossRef] [PubMed]

D. McGloin, "Optical tweezers: 20 years on," Philos. Trans. R. Soc. London, Ser. A 364, 3521-3537 (2006).
[CrossRef]

J. Buajarern, L. Mitchem, A. D. Ward, N. H. Nahler, D. McGloin, and J. P. Reid, "Controlling and characterizing the coagulation of liquid aerosol droplets," J. Chem. Phys. 125, 114506 (2006).

D. R. Burnham and D. McGloin, In Preparation

Mitchem, L.

L. Mitchem and J. P. Reid, "Optical manipulationand characterization of aerosol particles using a single-beam gradient force optical trap," Chem. Soc. Rev. 37, 756-769 (2008).
[CrossRef] [PubMed]

J. Buajarern, L. Mitchem, A. D. Ward, N. H. Nahler, D. McGloin, and J. P. Reid, "Controlling and characterizing the coagulation of liquid aerosol droplets," J. Chem. Phys. 125, 114506 (2006).

R. J. Hopkins, L. Mitchem, A. D. Ward, and J. P. Reid, "Control and characterisation of a single aerosol droplet in a single-beam gradient-force optical trap," Phys. Chem. Chem. Phys. 6, 4924-4927 (2004).
[CrossRef]

Mund, C.

C. Mund and R. Zellner, "Optical levitation of single microdroplets at temperatures down to 180 K," Chem. Phys. Chem. 4, 630-638 (2003).
[CrossRef] [PubMed]

Musick, J.

Nahler, N. H.

J. Buajarern, L. Mitchem, A. D. Ward, N. H. Nahler, D. McGloin, and J. P. Reid, "Controlling and characterizing the coagulation of liquid aerosol droplets," J. Chem. Phys. 125, 114506 (2006).

Oddershede, L.

Omori, R.

Padgett, M. J.

R. di Leonardo, G Ruocco, J. Leach, M. J. Padgett, A. J. Wright, J. M. Girkin, D. R. Burnham, D. McGloin, "Parametric resonance of optically trapped aerosols," Phys. Rev. Lett. 99, 010601 (2007).
[CrossRef] [PubMed]

Pan, Y.-L.

Pavone, F. S.

S. F. Toli?-Nørrelykke, E. Schäffer, J. Howard, F. S. Pavone, F. Juelicher, and H. Flyvbjerg, "Calibration of optical tweezers with positional detection in the back focal plane," Rev. Sci. Instrum. 77, 103101 (2006).
[CrossRef]

Pfrang, C.

M. D. King, K. C. Thompson, A. D. Ward, C. Pfrang, B. R. Hughes, "Oxidation of biogenic and water-soluble compounds in aqueous and organic aerosol droplets by ozone: a kinetic and product analysis approach using laser Raman tweezers," Faraday Discuss. 137, 173-192 (2008).
[CrossRef] [PubMed]

Popp, J.

Reece, P.

K. Dholakia, P. Reece, and M. Gu, "Optical micromanipulation," Chem. Soc. Rev. 37, 42-55 (2008).
[CrossRef] [PubMed]

Reid, J. P.

L. Mitchem and J. P. Reid, "Optical manipulationand characterization of aerosol particles using a single-beam gradient force optical trap," Chem. Soc. Rev. 37, 756-769 (2008).
[CrossRef] [PubMed]

J. Buajarern, L. Mitchem, A. D. Ward, N. H. Nahler, D. McGloin, and J. P. Reid, "Controlling and characterizing the coagulation of liquid aerosol droplets," J. Chem. Phys. 125, 114506 (2006).

M. D. Summers, J. P. Reid, and D. McGloin, "Optical guiding of aerosol droplets," Opt. Express 14, 6373-6380 (2006).
[CrossRef] [PubMed]

R. J. Hopkins, L. Mitchem, A. D. Ward, and J. P. Reid, "Control and characterisation of a single aerosol droplet in a single-beam gradient-force optical trap," Phys. Chem. Chem. Phys. 6, 4924-4927 (2004).
[CrossRef]

Rubinsztein-Dunlop, H.

Rudd, D.

D. McGloin, D. R. Burnham, M. D. Summers, D. Rudd, N. Dewar, and S. Anand, "Optical manipulation of airborne particles: techniques and applications," Faraday Discuss. 137, 335-350 (2008)
[CrossRef] [PubMed]

Ruocco, G

R. di Leonardo, G Ruocco, J. Leach, M. J. Padgett, A. J. Wright, J. M. Girkin, D. R. Burnham, D. McGloin, "Parametric resonance of optically trapped aerosols," Phys. Rev. Lett. 99, 010601 (2007).
[CrossRef] [PubMed]

Schäffer, E.

S. F. Toli?-Nørrelykke, E. Schäffer, J. Howard, F. S. Pavone, F. Juelicher, and H. Flyvbjerg, "Calibration of optical tweezers with positional detection in the back focal plane," Rev. Sci. Instrum. 77, 103101 (2006).
[CrossRef]

Schmidt, C.

K. Vermeulen, G. Wuite, G. Stienen, and C. Schmidt, "Optical trap stiffness in the presence and absence of spherical aberrations," Appl. Opt. 45, 1812-1819 (2006).
[CrossRef] [PubMed]

M. Allersma, F. Gittes, M. de Castro, R. Stewart, and C. Schmidt, "Two-dimensional tracking of ncd motility by back focal plane interferometry," Biophys. J. 74, 1074-1085 (1998).
[CrossRef] [PubMed]

Schrader, B.

G. G. Hoffmann, E. Lentz, and B. Schrader, "Simple device for the generation and optical levitation of single aerosol-particles," Rev. Sci. Instrum. 64, 823-824 (1993).
[CrossRef]

Stewart, R.

M. Allersma, F. Gittes, M. de Castro, R. Stewart, and C. Schmidt, "Two-dimensional tracking of ncd motility by back focal plane interferometry," Biophys. J. 74, 1074-1085 (1998).
[CrossRef] [PubMed]

Stienen, G.

Summers, M. D.

D. McGloin, D. R. Burnham, M. D. Summers, D. Rudd, N. Dewar, and S. Anand, "Optical manipulation of airborne particles: techniques and applications," Faraday Discuss. 137, 335-350 (2008)
[CrossRef] [PubMed]

M. D. Summers, J. P. Reid, and D. McGloin, "Optical guiding of aerosol droplets," Opt. Express 14, 6373-6380 (2006).
[CrossRef] [PubMed]

Surbek, M.

Suzuki, A.

Swanson, B. D.

B. H. Larson and B. D. Swanson, "Experimental investigation of the homogeneous freezing of aqueous ammonium sulfate droplets," J. Phys. Chem. A. 110, 1907-1916 (2006).
[CrossRef] [PubMed]

Switz, N.

L. Ghislain, N. Switz, and W. Webb, "Measurement of small forces using an optical trap," Rev. Sci. Instrum. 65,2762-2768, 1994.
[CrossRef]

Tass, Z.

G. Hars and Z. Tass, "Application of quadrupole ion trap for the accurate mass determination of submicron size charged particles," J. Appl. Phys. 77, 4245-4250 (1995).
[CrossRef]

Thompson, K. C.

M. D. King, K. C. Thompson, A. D. Ward, C. Pfrang, B. R. Hughes, "Oxidation of biogenic and water-soluble compounds in aqueous and organic aerosol droplets by ozone: a kinetic and product analysis approach using laser Raman tweezers," Faraday Discuss. 137, 173-192 (2008).
[CrossRef] [PubMed]

Thurn, R.

Toli?-Nørrelykke, S. F.

S. F. Toli?-Nørrelykke, E. Schäffer, J. Howard, F. S. Pavone, F. Juelicher, and H. Flyvbjerg, "Calibration of optical tweezers with positional detection in the back focal plane," Rev. Sci. Instrum. 77, 103101 (2006).
[CrossRef]

Török, P.

Trunk, M.

Uhlenbeck, G. E.

M. C. Wang and G. E. Uhlenbeck, "On the Theory of Brownian Motion II," Rev. Mod. Phys. 17, 323-342 (1945)
[CrossRef]

Varga, P.

Vermeulen, K.

Wang, M. C.

M. C. Wang and G. E. Uhlenbeck, "On the Theory of Brownian Motion II," Rev. Mod. Phys. 17, 323-342 (1945)
[CrossRef]

Ward, A. D.

M. D. King, K. C. Thompson, A. D. Ward, C. Pfrang, B. R. Hughes, "Oxidation of biogenic and water-soluble compounds in aqueous and organic aerosol droplets by ozone: a kinetic and product analysis approach using laser Raman tweezers," Faraday Discuss. 137, 173-192 (2008).
[CrossRef] [PubMed]

J. Buajarern, L. Mitchem, A. D. Ward, N. H. Nahler, D. McGloin, and J. P. Reid, "Controlling and characterizing the coagulation of liquid aerosol droplets," J. Chem. Phys. 125, 114506 (2006).

R. J. Hopkins, L. Mitchem, A. D. Ward, and J. P. Reid, "Control and characterisation of a single aerosol droplet in a single-beam gradient-force optical trap," Phys. Chem. Chem. Phys. 6, 4924-4927 (2004).
[CrossRef]

Webb, W.

L. Ghislain, N. Switz, and W. Webb, "Measurement of small forces using an optical trap," Rev. Sci. Instrum. 65,2762-2768, 1994.
[CrossRef]

Wright, A. J.

R. di Leonardo, G Ruocco, J. Leach, M. J. Padgett, A. J. Wright, J. M. Girkin, D. R. Burnham, D. McGloin, "Parametric resonance of optically trapped aerosols," Phys. Rev. Lett. 99, 010601 (2007).
[CrossRef] [PubMed]

Wuite, G.

Zellner, R.

C. Mund and R. Zellner, "Optical levitation of single microdroplets at temperatures down to 180 K," Chem. Phys. Chem. 4, 630-638 (2003).
[CrossRef] [PubMed]

Appl. Opt.

Appl. Phys. Lett.

A. Ashkin and J. M. Dziedzic, "Optical levitation by radiation pressure," Appl. Phys. Lett. 19, 283-285 (1971).
[CrossRef]

Appl. Spectrosc.

Biophys. J.

A. Ashkin, "Forces of a single-beam gradient laser trap on a dielectric sphere in the ray optics regime," Biophys. J. 61, 569-582 (1992).
[CrossRef] [PubMed]

M. Allersma, F. Gittes, M. de Castro, R. Stewart, and C. Schmidt, "Two-dimensional tracking of ncd motility by back focal plane interferometry," Biophys. J. 74, 1074-1085 (1998).
[CrossRef] [PubMed]

Chem. Phys. Chem.

C. Mund and R. Zellner, "Optical levitation of single microdroplets at temperatures down to 180 K," Chem. Phys. Chem. 4, 630-638 (2003).
[CrossRef] [PubMed]

Chem. Soc. Rev.

L. Mitchem and J. P. Reid, "Optical manipulationand characterization of aerosol particles using a single-beam gradient force optical trap," Chem. Soc. Rev. 37, 756-769 (2008).
[CrossRef] [PubMed]

K. Dholakia, P. Reece, and M. Gu, "Optical micromanipulation," Chem. Soc. Rev. 37, 42-55 (2008).
[CrossRef] [PubMed]

Faraday Discuss.

D. McGloin, D. R. Burnham, M. D. Summers, D. Rudd, N. Dewar, and S. Anand, "Optical manipulation of airborne particles: techniques and applications," Faraday Discuss. 137, 335-350 (2008)
[CrossRef] [PubMed]

M. D. King, K. C. Thompson, A. D. Ward, C. Pfrang, B. R. Hughes, "Oxidation of biogenic and water-soluble compounds in aqueous and organic aerosol droplets by ozone: a kinetic and product analysis approach using laser Raman tweezers," Faraday Discuss. 137, 173-192 (2008).
[CrossRef] [PubMed]

J. Appl. Phys.

G. Hars and Z. Tass, "Application of quadrupole ion trap for the accurate mass determination of submicron size charged particles," J. Appl. Phys. 77, 4245-4250 (1995).
[CrossRef]

J. Chem. Phys.

J. Buajarern, L. Mitchem, A. D. Ward, N. H. Nahler, D. McGloin, and J. P. Reid, "Controlling and characterizing the coagulation of liquid aerosol droplets," J. Chem. Phys. 125, 114506 (2006).

J. Opt. Soc. Am. A

J. Phys. Chem. A.

B. H. Larson and B. D. Swanson, "Experimental investigation of the homogeneous freezing of aqueous ammonium sulfate droplets," J. Phys. Chem. A. 110, 1907-1916 (2006).
[CrossRef] [PubMed]

Opt. Express

Opt. Lett.

Phys. Chem. Chem. Phys.

R. J. Hopkins, L. Mitchem, A. D. Ward, and J. P. Reid, "Control and characterisation of a single aerosol droplet in a single-beam gradient-force optical trap," Phys. Chem. Chem. Phys. 6, 4924-4927 (2004).
[CrossRef]

Phys. Rev. Lett.

R. di Leonardo, G Ruocco, J. Leach, M. J. Padgett, A. J. Wright, J. M. Girkin, D. R. Burnham, D. McGloin, "Parametric resonance of optically trapped aerosols," Phys. Rev. Lett. 99, 010601 (2007).
[CrossRef] [PubMed]

Rev. Mod. Phys.

M. C. Wang and G. E. Uhlenbeck, "On the Theory of Brownian Motion II," Rev. Mod. Phys. 17, 323-342 (1945)
[CrossRef]

Rev. Sci. Instrum.

K. Berg-Sørensen and H. Flyvbjerg, "Power spectrum analysis for optical tweezers," Rev. Sci. Instrum. 75, 594-612 (2004).
[CrossRef]

G. G. Hoffmann, E. Lentz, and B. Schrader, "Simple device for the generation and optical levitation of single aerosol-particles," Rev. Sci. Instrum. 64, 823-824 (1993).
[CrossRef]

S. F. Toli?-Nørrelykke, E. Schäffer, J. Howard, F. S. Pavone, F. Juelicher, and H. Flyvbjerg, "Calibration of optical tweezers with positional detection in the back focal plane," Rev. Sci. Instrum. 77, 103101 (2006).
[CrossRef]

L. Ghislain, N. Switz, and W. Webb, "Measurement of small forces using an optical trap," Rev. Sci. Instrum. 65,2762-2768, 1994.
[CrossRef]

Ser. A

D. McGloin, "Optical tweezers: 20 years on," Philos. Trans. R. Soc. London, Ser. A 364, 3521-3537 (2006).
[CrossRef]

Other

D. R. Burnham and D. McGloin, In Preparation

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Figures (4)

Fig. 1.
Fig. 1.

Optical tweezers experiment with a position detection system. Optical power from the laser is controlled by rotating the half waveplate (WP) in conjunction with a polarising beam cube (PBC) and beam dump (BP). A Gaussian beam from a 532nm c.w. 4W Laser Quantum Finesse laser is expanded using lenses L1 and L2 to overfill the Nikon E Plan 100x (NA=1.25) objective (TOBJ) and directed into the objective by two dielectric mirrors (M) and a dichroic mirror (DM). The beam is focused into the sample chamber (see Fig. 2) into which the sample is nebulized with an Omron MicroAir NE-U22. The Nikon objective images the aerosols through the dichroic mirror (DM) and laser light filter and with a suitable tube lens onto a Basler A602f Firewire camera (CCD). A Mitutoyo 100x long working distance objective (COBJ) images the light from the tweezing plane onto the QPD with the aid of a 4f imaging system (4f IS) and also acts as the condenser lens for Kohler illumination (not shown). The inset images show a 3.01µm diameter trapped silica sphere immediately after being caught, then ~47s later, then just as it loses stability before leaving the trap (51s), and finally the sample is refocused to show the sphere deposited on the cover slip surface (58s). The white bar is a 5µm scale. The 1064nm tweezers was constructed in a similar manner but without the position detection system.

Fig. 2.
Fig. 2.

(a). Side view of the glass nozzle that couples aerosol flow from nebulizer to sample chamber. The design can be quite critical with slight alterations significantly altering the flow behavior. (b) Illustration of our sample chamber. The chamber is placed on top of a thickness one cover slip above a Nikon 100x E-Plan oil immersion objective. The light from the sample is captured by the long working distance objective from above. The chamber is open to aid evaporation, but the trapping region is shielded from random airflows.

Fig. 3.
Fig. 3.

Power spectra for a 1.86µm diameter silica sphere trapped in air (squares) and water (triangles) at powers of 0.25 and 25 mW respectively. The red line is a fit to the airborne data using Eq. (5) and fitting between 18 and 10000 Hz. The blue line is a fit using Eq. 3 and fitting between 18 and 5000 Hz.

Fig. 4.
Fig. 4.

Power spectra for 3.01µm silica spheres in air (squares) and water (triangles) at powers of 1.3 and 130 mW respectively. The red line is a fit to the airborne data using Eq. (5) and fitting between 18 and 10000 Hz. The blue line is a fit using Eq. (3) and fitting between 18 and 5000 Hz. The inset graph shows the function ω4SV inert(ω) and the plateau value, PV, reached for ωΩ.

Tables (2)

Tables Icon

Table 1 Initial and minimum trapping powers required for solid aerosols and the associated axial efficiency.

Tables Icon

Table 2. Trapping power and stiffness for solid aerosol and colloidal tweezing. The powers in air are those which produced a stable trap for the given aerosol. The powers in water are 100x that used in air.

Equations (6)

Equations on this page are rendered with MathJax. Learn more.

m x ̈ ( t ) + γ 0 x ˙ ( t ) + κ x ( t ) = λ ( t )
x ̈ ( t ) + Γ x ˙ ( t ) + Ω 2 x ( t ) = ζ ( t )
S x inert ( ω ) = 2 k B T κ Ω 2 Γ ( ω 2 Ω 2 ) 2 + Γ 2 ω 2
x ˙ ( t ) + ω c x ( t ) = ζ ( t )
S x over ( ω ) = 2 k B T γ 0 ( ω c 2 + ω 2 )
β inert = P v m 2 k B T Γ

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