Design and fabrication of micro-optical elements for the generation of various novel beams and its applications in optical tweezers

X. C. Yuan; B. P. S. Ahluwalia; W. C. Cheong; L. S. Zhang; W. M. Lee; K. J. Moh; S. H. Tao; H. B. Niu; X. Peng

doi:10.1117/12.667706

20 January 2006 Design and fabrication of micro-optical elements for the generation of various novel beams and its applications in optical tweezers

X. C. Yuan, B. P. S. Ahluwalia, W. C. Cheong, L. S. Zhang, W. M. Lee, K. J. Moh, S. H. Tao, H. B. Niu, X. Peng

Author Affiliations +

Proceedings Volume 6027, ICO20: Optical Information Processing; 602709 (2006) https://doi.org/10.1117/12.667706
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

Light assisted micro-manipulation techniques have provided a non-invasive technique to investigate microscopic world. Employing micro-optical elements for laser beam shaping can aggrandize the trapping capabilities of conventional optical tweezers system. In the paper we report the design parameters and fabrication techniques of diversified micro-optical elements. High quality Laguerre-Gaussian beams, Bessel beams, self-imaged bottle beams and fractional Bessel beams were achieved using such micro-optical elements. We further integrated these micro-elements in conventional optical tweezers systems for various trapping applications. Such micro-elements were high efficient (in terms of power conversion) which is an important criteria to be incorporated with the optical trapping systems. Due to its micro-size such micro-elements are potential candidates to be integrated with lab-on-a-chip techniques to realize next generation "miniaturized optical trap".

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X. C. Yuan, B. P. S. Ahluwalia, W. C. Cheong, L. S. Zhang, W. M. Lee, K. J. Moh, S. H. Tao, H. B. Niu, and X. Peng "Design and fabrication of micro-optical elements for the generation of various novel beams and its applications in optical tweezers", Proc. SPIE 6027, ICO20: Optical Information Processing, 602709 (20 January 2006); https://doi.org/10.1117/12.667706

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