Optimal photonic nanojet beam shaping by mesoscale dielectric dome lens

機構典藏 > College of Engineering > Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering > Journal Article > Item 987654321/118830

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Title:	Optimal photonic nanojet beam shaping by mesoscale dielectric dome lens
Authors:	Liu, C. B. Linㄤ Yi-Ting Leeㄤ Cheng-Yang
Date:	2020-06
Issue Date:	2020-07-01 12:11:29 (UTC+8)
Publisher:	A I P Publishing LLC
Abstract:	In this work, we thoroughly investigate the shape, size, and location of the photonic nanojets (PNJs) generated from the illuminated dome lens. The silk fiber is directly extracted from the cellar spider and used to form the dome lens by its liquid-collecting ability. The solidified dielectric dome lenses with different dimensions are obtained by using ultraviolet curing. Numerical and experimental results show that the long PNJs are strongly modulated by the dimension of the dome lens. The optimal PNJ beam shaping is achieved by using a mesoscale dielectric dome lens. The PNJ with a long focal length and a narrow waist could be used to scan over a target for large-area imaging. The silk fiber with a dome lens is especially useful for bio-photonic applications by combining its biocompatibility and flexibility.
Relation:	Journal of Applied Physics 127(24), 243110
DOI:	10.1063/5.0007611
Appears in Collections:	[Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering] Journal Article

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