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Applied Physics Letters / Volume 93 / Issue 5 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 93, 051107 (2008); doi:10.1063/1.2967872 (3 pages)

Laser microfabrication and rotation of ship-in-a-bottle optical rotators

Shigeki Matsuo1, Satoshi Kiyama1, Yoshinori Shichijo1, Takuro Tomita1, Shuichi Hashimoto1, Yoichiroh Hosokawa2, and Hiroshi Masuhara2

1Department of Ecosystem Engineering, The University of Tokushima, 2-1 Minamijosanjimacho, Tokushima 770-8506, Japan
2Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan

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(Received 24 May 2008; accepted 10 July 2008; published online 5 August 2008)

We have fabricated optical rotators inside a silica substrate and rotated them by a laser trapping technique. The fabrication method used was femtosecond laser-assisted etching, i.e., modification of the host material by irradiation with femtosecond laser pulses along a predesigned pattern, followed by selective chemical etching. The rotators, which consist of the same material as the substrate, can move inside the microcavity but cannot get out. The rotation speed was proportional to the trapping laser power, and the maximum achieved was about 100 rpm. Such rotators will be applicable to micro-total-analysis systems and microfluidics.

© 2008 American Institute of Physics

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KEYWORDS and PACS

Keywords

high-speed optical techniques, laser beam etching, optical rotation, radiation pressure, silicon compounds

PACS

  • 81.65.Cf

    Surface cleaning, etching, patterning

  • 33.55.+b

    Optical activity and dichroism

  • 81.16.Ta

    Atom manipulation

  • 42.65.Re

    Ultrafast processes; optical pulse generation and pulse compression

ARTICLE DATA

Permalink
http://link.aip.org/link/doi/10.1063/1.2967872

PUBLICATION DATA

ISSN:

0003-6951 (print)  
1077-3118 (online)

Publisher:

$abstract.society.value is a Member of CrossRef American Institute of Physics

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