STED microscopy with the azimuthally-polarized depletion beam

Suhui Deng; Li Liu; Ruxin Li; Zhizhan Xu

doi:10.1117/12.758741

8 January 2008 STED microscopy with the azimuthally-polarized depletion beam

Suhui Deng; Li Liu; Ruxin Li; Zhizhan Xu

Author Affiliations +

Proceedings Volume 6826, Optics in Health Care and Biomedical Optics III; 682621 (2008) https://doi.org/10.1117/12.758741
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

The azimuthally polarized beam always keeps a zero intensity at the center of the doughnut shaped pulse. As a result, it can be utilized to overcome the problem of not perfect zero in STED microscopy to exhibit a high resolution. This paper examines the utilization of this beam as the stimulated emission depletion pulse in STED microscopy and the results are compared with the effects of using a doughnut model generated by the linearly polarized lights with inserting the phase plates in lights. The calculations show that the azimuthally polarized beam has a great potential in the STED microscopy.

Citation Download Citation

Suhui Deng, Suhui Deng, Li Liu, Li Liu, Ruxin Li, Ruxin Li, Zhizhan Xu, Zhizhan Xu, } "STED microscopy with the azimuthally-polarized depletion beam", Proc. SPIE 6826, Optics in Health Care and Biomedical Optics III, 682621 (8 January 2008); doi: 10.1117/12.758741; https://doi.org/10.1117/12.758741

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