High refractive index Fresnel lens on a fiber fabricated by nanoimprint lithography for immersion applications

被引：35

作者：

Koshelev, Alexander ^{[1
]}

Calafiore, Giuseppe ^{[1
]}

Pina-Hernandez, Carlos ^{[1
]}

Allen, Frances I. ^{[2
,3
]}

Dhuey, Scott ^{[2
]}

Sassolini, Simone ^{[2
]}

Wong, Edward ^{[2
]}

Lum, Paul ^{[3
]}

Munechika, Keiko ^{[1
,2
]}

Cabrini, Stefano ^{[2
]}

机构：

[1] aBeam Technol Inc, 22290 Foothill Blvd St 2, Hayward, CA 94541 USA

[2] Lawrence Berkeley Natl Lab, Mol Foundry, 1 Cyclotron Rd, Berkeley, CA 94720 USA

[3] Univ Calif Berkeley, Biomol Nanotechnol Ctr, Berkeley, CA 94720 USA

来源：

OPTICS LETTERS | 2016年 / 41卷 / 15期

基金：

美国国家科学基金会;

关键词：

FOCUSED ION-BEAM;

D O I：

10.1364/OL.41.003423

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this Letter, we present a Fresnel lens fabricated on the end of an optical fiber. The lens is fabricated using nano-imprint lithography of a functional high refractive index material, which is suitable for mass production. The main advantage of the presented Fresnel lens compared to a conventional fiber lens is its high refractive index (n = 1.68), which enables efficient light focusing even inside other media, such as water or an adhesive. Measurement of the lens performance in an immersion liquid (n = 1.51) shows a near diffraction limited focal spot of 810 nm in diameter at the 1/e(2) intensity level for a wavelength of 660 nm. Applications of such fiber lenses include integrated optics, optical trapping, and fiber probes. (C) 2016 Optical Society of America

引用

页码：3423 / 3426

页数：4

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