Creation of Sub-diffraction Longitudinally Polarized Spot by Focusing Radially Polarized Light with Binary Phase Lens

doi:10.1038/srep38859

CORC > 光电技术研究所 > 中国科学院光电技术研究所 > 微细加工光学技术国家重点实验室（开放室）

	Creation of Sub-diffraction Longitudinally Polarized Spot by Focusing Radially Polarized Light with Binary Phase Lens
	Yu, An-ping ; Chen, Gang ; Zhang, Zhi-hai ; Wen, Zhong-quan ; Dai, Lu-ru ; Zhang, Kun ; Jiang, Sen-lin ; Wu, Zhi-xiang ; Li, Yu-yan ; Wang, Chang-tao
刊名	SCIENTIFIC REPORTS
	2016
卷号	6
关键词	Super-oscillatory Lens Long Focal Length Modulation Generation Amplitude Optimization Microscope Needles Beams Field
ISSN号	2045-2322
DOI	10.1038/srep38859
文献子类	J
英文摘要	The generation of a sub-diffraction longitudinally polarized spot is of great interest in various applications, such as optical tweezers, super-resolution microscopy, high-resolution Raman spectroscopy, and high-density optical data storage. Many theoretical investigations have been conducted into the tight focusing of a longitudinally polarized spot with high-numerical-aperture aplanatic lenses in combination with optical filters. Optical super-oscillation provides a new approach to focusing light beyond the diffraction limit. Here, we propose a planar binary phase lens and experimentally demonstrate the generation of a longitudinally polarized sub-diffraction focal spot by focusing radially polarized light. The lens has a numerical aperture of 0.93 and a long focal length of 200 lambda for wavelength lambda = 632.8 nm, and the generated focal spot has a full-width-at-half-maximum of about 0.456 lambda, which is smaller than the diffraction limit, 0.54 lambda. A 5 lambda-long longitudinally polarized optical needle with sub-diffraction size is also observed near the designed focal point.
语种	英语
WOS记录号	WOS:000389816400001
资助机构	China National Key Basic Research and Development Program [2013CBA01700] ; China National Natural Science Foundation [61575031, 61177093] ; Program for New Century Excellent Talent in University [NCET-13-0629] ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; Fundamental Research Funds for the Central Universities [106112013CDJZR120019, 106112016CDJZR125503, 106112015CDJXY120012] ; Chongqing advanced and applied basic research project [cstc2015jcyjA40020]
内容类型	期刊论文
源URL	[http://ir.ioe.ac.cn/handle/181551/8481]
专题	光电技术研究所_微细加工光学技术国家重点实验室（开放室）
作者单位	1.[Yu, An-ping 2.Chen, Gang 3.Zhang, Zhi-hai 4.Wen, Zhong-quan 5.Zhang, Kun 6.Jiang, Sen-lin 7.Wu, Zhi-xiang 8.Li, Yu-yan] Chongqing Univ, Key Lab Optoelect Technol & Syst, Minist Educ, 173 Shazheng St, Chongqing 400044, Peoples R China 9.[Yu, An-ping 10.Chen, Gang
推荐引用方式 GB/T 7714	Yu, An-ping,Chen, Gang,Zhang, Zhi-hai,et al. Creation of Sub-diffraction Longitudinally Polarized Spot by Focusing Radially Polarized Light with Binary Phase Lens[J]. SCIENTIFIC REPORTS,2016,6.
APA	Yu, An-ping.,Chen, Gang.,Zhang, Zhi-hai.,Wen, Zhong-quan.,Dai, Lu-ru.,...&Luo, Xian-gang.(2016).Creation of Sub-diffraction Longitudinally Polarized Spot by Focusing Radially Polarized Light with Binary Phase Lens.SCIENTIFIC REPORTS,6.
MLA	Yu, An-ping,et al."Creation of Sub-diffraction Longitudinally Polarized Spot by Focusing Radially Polarized Light with Binary Phase Lens".SCIENTIFIC REPORTS 6(2016).