Observation and simulation of optical diffraction pattern of a rotating microgear

L. Kelemen, P. Ormos, Nikolaus Klaus Metzger, W. Sibbett, Kishan Dholakia

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The emerging field of micro fluidics is challenged with a desire to pump, move and mix minute amounts of fluid. Such micro devices are operated by means of light matter interaction, namely they can be driven through utilizing birefringence and the polarization of the light as well as the reflection and refraction of light. The latter one enables micro motors to be operated in a tangential setup where the rotors are on axis with an optical waveguide. This has the advantage that the complexity of driving such a device in a lab on a chip configuration is reduced by delivering the driving light by means of a waveguide or fiber optics.

In this publication we study a micro motor being driven by a fiber optically delivered light beam. We present experimentally and theoretically how light is getting diffracted when in interaction with the rotors of a turning micro motor. By utilizing the two photon signal from a fluorescein dye being excited by a pulsed femtosecond Laser which was used to drive the motor. Additionally the rotation rate is investigated in dependence of the light field parameters.

Original languageEnglish
Title of host publicationOptical Trapping and Optical Micromanipulation III
EditorsKishan Dholakia, Gabriel C Spalding
PublisherSPIE
PagesU618-U625
Number of pages8
ISBN (Print)0-8194-6405-8
DOIs
Publication statusPublished - 2006
EventOptical Trapping and Optical Micromanipulation III - San Diego, United States
Duration: 13 Aug 200617 Aug 2006

Publication series

NameProceedings of SPIE
PublisherSPIE
Volume6326
ISSN (Print)1996-756X
ISSN (Electronic)0277-786X

Conference

ConferenceOptical Trapping and Optical Micromanipulation III
CountryUnited States
CitySan Diego
Period13/08/0617/08/06

Keywords

  • micro motor
  • diffraction

Cite this

Kelemen, L., Ormos, P., Metzger, N. K., Sibbett, W., & Dholakia, K. (2006). Observation and simulation of optical diffraction pattern of a rotating microgear. In K. Dholakia, & G. C. Spalding (Eds.), Optical Trapping and Optical Micromanipulation III (pp. U618-U625). (Proceedings of SPIE; Vol. 6326). SPIE. https://doi.org/10.1117/12.679847
Kelemen, L. ; Ormos, P. ; Metzger, Nikolaus Klaus ; Sibbett, W. ; Dholakia, Kishan. / Observation and simulation of optical diffraction pattern of a rotating microgear. Optical Trapping and Optical Micromanipulation III. editor / Kishan Dholakia ; Gabriel C Spalding. SPIE, 2006. pp. U618-U625 (Proceedings of SPIE).
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Kelemen, L, Ormos, P, Metzger, NK, Sibbett, W & Dholakia, K 2006, Observation and simulation of optical diffraction pattern of a rotating microgear. in K Dholakia & GC Spalding (eds), Optical Trapping and Optical Micromanipulation III. Proceedings of SPIE, vol. 6326, SPIE, pp. U618-U625, Optical Trapping and Optical Micromanipulation III, San Diego, United States, 13/08/06. https://doi.org/10.1117/12.679847

Observation and simulation of optical diffraction pattern of a rotating microgear. / Kelemen, L.; Ormos, P.; Metzger, Nikolaus Klaus; Sibbett, W.; Dholakia, Kishan.

Optical Trapping and Optical Micromanipulation III. ed. / Kishan Dholakia; Gabriel C Spalding. SPIE, 2006. p. U618-U625 (Proceedings of SPIE; Vol. 6326).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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T1 - Observation and simulation of optical diffraction pattern of a rotating microgear

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AB - The emerging field of micro fluidics is challenged with a desire to pump, move and mix minute amounts of fluid. Such micro devices are operated by means of light matter interaction, namely they can be driven through utilizing birefringence and the polarization of the light as well as the reflection and refraction of light. The latter one enables micro motors to be operated in a tangential setup where the rotors are on axis with an optical waveguide. This has the advantage that the complexity of driving such a device in a lab on a chip configuration is reduced by delivering the driving light by means of a waveguide or fiber optics.In this publication we study a micro motor being driven by a fiber optically delivered light beam. We present experimentally and theoretically how light is getting diffracted when in interaction with the rotors of a turning micro motor. By utilizing the two photon signal from a fluorescein dye being excited by a pulsed femtosecond Laser which was used to drive the motor. Additionally the rotation rate is investigated in dependence of the light field parameters.

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Kelemen L, Ormos P, Metzger NK, Sibbett W, Dholakia K. Observation and simulation of optical diffraction pattern of a rotating microgear. In Dholakia K, Spalding GC, editors, Optical Trapping and Optical Micromanipulation III. SPIE. 2006. p. U618-U625. (Proceedings of SPIE). https://doi.org/10.1117/12.679847