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Applied Optics

Applied Optics


  • Vol. 44, Iss. 16 — Jun. 1, 2005
  • pp: 3271–3275

Observation of a stacking process of microparticles with multiple beams

Fumika Sumiyama, Yusuke Ogura, and Jun Tanida  »View Author Affiliations

Applied Optics, Vol. 44, Issue 16, pp. 3271-3275 (2005)

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We developed a method of constructing a stacked structure of microparticles by using multiple beams emitted by a vertical-cavity surface-emitting laser array [ Appl. Phys. Lett. 82, 2969 ( 2003)]. We construct a new observation system to observe the stacked structure and to clarify the stacking process. Results confirmed that the stacked structure was lifted up from the sample stage and fabricated without space between the microparticles. Furthermore, we investigated the difference of stacking processes when 2 × 2 beams and a single beam were used. As a result, we found that a stacked structure, when 2 × 2 beams were used, can be fabricated with lower optical power than when a single beam was used.

© 2005 Optical Society of America

OCIS Codes
(140.7010) Lasers and laser optics : Laser trapping
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
(220.4610) Optical design and fabrication : Optical fabrication
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers

Original Manuscript: September 3, 2004
Revised Manuscript: January 13, 2005
Manuscript Accepted: January 14, 2005
Published: June 1, 2005

Fumika Sumiyama, Yusuke Ogura, and Jun Tanida, "Observation of a stacking process of microparticles with multiple beams," Appl. Opt. 44, 3271-3275 (2005)

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