Chemically etched fiber tips for near-field optical microscopy: a process for smoother tips

被引：135

作者：

Lambelet, P ^{[1
]}

Sayah, A ^{[1
]}

Pfeffer, M ^{[1
]}

Philipona, C ^{[1
]}

Marquis-Weible, F ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Inst Opt Appl, CH-1015 Lausanne, Switzerland

来源：

APPLIED OPTICS | 1998年 / 37卷 / 31期

关键词：

D O I：

10.1364/AO.37.007289

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An improved method for producing fiber tips for scanning near-field optical microscopy is presented. The improvement consists of chemically etching quartz optical fibers through their acrylate jacket. This new method is compared with the previous one in which bare fibers were etched. With the new process the meniscus formed by the acid along the fiber does not move during etching, leading to a much smoother surface of the tip cone. Subsequent metallization is thus improved, resulting in better coverage of the tip with an aluminum opaque layer. Our results show that leakage can be avoided along the cone, and light transmission through the tip is spatially limited to an optical aperture of a LOO-nm dimension. (C) 1998 Optical Society of America OCIS codes: 050.1220, 060.2370, 180.5810, 240.6700, 350.5730.

引用

页码：7289 / 7292

页数：4

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