Micro Fresnel Zone Plate Lens Inscribed on a Hard Polymer Clad Fiber Using Femtosecond Pulsed Laser

被引：21

作者：

Kim, Jongki ^{[1
]}

Ha, Woosung ^{[1
,2
]}

Park, Jiyoung ^{[1
]}

Kim, Jun Ki ^{[1
,3
]}

Sohn, Ik-Bu ^{[4
]}

Shin, Woojin ^{[4
]}

Oh, Kyunghwan ^{[1
]}

机构：

[1] Yonsei Univ, Dept Phys, Seoul 120749, South Korea

[2] LG Elect, Res Engineer Grp 3D, Seoul 137724, South Korea

[3] Harvard Univ, Sch Med, Wellman Ctr Photomed, Boston, MA 02114 USA

[4] APRI, Kwangju 500712, South Korea

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2013年 / 25卷 / 08期

关键词：

Beam shaping; Fresnel zone plate; laser ablation; lensed fiber; FABRICATION; ABLATION;

D O I：

10.1109/LPT.2013.2249506

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We report a novel process to directly inscribe a Fresnel zone plate (FZP) lens on the cleaved facet of a hard clad polymer fiber using a femtosecond pulsed laser. The FZPs are designed by adopting modal analysis and free-space diffraction, which are experimentally implemented by locally ablating silica glass using femtosecond laser pulses. A good agreement between the design and fabricated FZP lens is obtained with an exceptionally long focal length over 600 m, which can have a strong potential in all-fiber beam shaping technology and optical interconnections.

引用

页码：761 / 763

页数：3

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