Continuous motion of interference patterns using the angular Doppler effect

L. Paterson; M. P. MacDonald; Jochen Arlt; Wilson Sibbett; Kishan Dholakia; K. Volke-Sepulveda

doi:10.1117/12.513850

2 September 2003 Continuous motion of interference patterns using the angular Doppler effect

L. Paterson, M. P. MacDonald, Jochen Arlt, Wilson Sibbett, Kishan Dholakia, K. Volke-Sepulveda

Proceedings Volume 5121, Laser Processing of Advanced Materials and Laser Microtechnologies; (2003) https://doi.org/10.1117/12.513850
Event: Laser Processing of Advanced Materials and Laser Microtechnologies, 2002, Moscow, Russian Federation

Abstract

We demonstrate the use of the angular Doppler effect to obtain continuous motion of interference patterns. A small frequency shift between two beams can create such a moving pattern. By rotating a half wave plate in one arm of an interferometer, frequency shifts in the optical domain from less than 1 Hertz to kHz are achieved. We apply moving interference patterns in an optical tweezers set-up to enable controlled and continuous motion of optically trapped particles and structures.

Citation Download Citation

L. Paterson, M. P. MacDonald, Jochen Arlt, Wilson Sibbett, Kishan Dholakia, and K. Volke-Sepulveda "Continuous motion of interference patterns using the angular Doppler effect", Proc. SPIE 5121, Laser Processing of Advanced Materials and Laser Microtechnologies, (2 September 2003); https://doi.org/10.1117/12.513850

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