Non-destructive optical trap for biological particles and method

Details Non-destructive optical trap for biological particles and method Non-destructive optical trap for biological particles and method

1987-09-17

1990-01-16

Arnold, Bruce Y.

G02B 2700

Patent

active

048938866

ABSTRACT:
Biological particles are successfully trapped in a single-beam gradient force trap using an infrared laser. The high numerical aperture lens objective in the trap is also used for simultaneous viewing.
Several modes of trapping operation are presented.

REFERENCES:
patent: 3710279 (1973-01-01), Ashkin
patent: 3808432 (1974-04-01), Ashkin
patent: 3808550 (1974-04-01), Ashkin
patent: 4327288 (1982-04-01), Ashkin et al.
Physical Review Letters, vol. 24, No. 4, Jan. 26, 1970, "Acceleration and Trapping of Particles by Radiation Pressure", by A. Ashkin, pp. 156-159.
Appl. Phys. Lett., vol. 19, No. 8, Oct. 15, 1971, "Optical Levitation by Radiation Pressure", by A. Ashkin et al., pp. 283-285.
Physical Review Letters, vol. 40, No. 12, Mar. 20, 1978, "Trapping of Atoms by Resonance Radiation Pressure", by A. Ashkin, pp. 729-732.
Science, vol. 210, No. 5, Dec. 5, 1980, "Applications of Laser Radiation Pressure", by A. Ashkin, pp. 1081-1088.
Physical Review Letters, vol. 57, No. 3, Jul. 21, 1986, "Experimental Observation of Optically Trapped Atoms", by Chu et al., pp. 314-317.
Physical Review Letters, vol. 41, No. 20, Nov. 13, 1978, "Observation of Focusing of Neutral Atoms by the Dipole Forces of Resonance-Radiation Pressure", by Bjorkholm et al., pp. 1361-1364.
Applied Optics, vol. 19, No. 5, Mar. 1, 1980, "Observation of Light Scattering from Nonspherical Particles Using Optical Levitation", by A. Ashkin et al., pp. 660-668.
Optics Letters, vol. 8, No. 10, Oct. 1983, "Stability of Radiation-Pressure Particle Traps: an Optical Earnshaw Theorem", by A. Ashkin et al., pp. 511-513.
Physical Review Letters, vol. 54, No. 12, Mar. 25, 1985, "Observation of Radiation-Pressure Trapping of Particles by Alternating Light Beams", by A. Ashkin et al., pp. 1245-1248.
Optics Letters, vol. 11, No. 5, May 1986, "Observation of a single-beam Gradient Force Optical Trap for Dielectric Particles", A. Ashkin et al., pp. 288-290.

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