Nanomechanical displacement detection using fiber-optic interferometry

被引：33

作者：

Azak, N. O.

Shagam, M. Y.

Karabacak, D. M.

Ekinci, K. L. ^{[1
]}

Kim, D. H.

Jang, D. Y.

机构：

[1] Boston Univ, Coll Engn, Boston, MA 02215 USA

[2] Seoul Natl Univ, Coll Engn, Seoul 139743, South Korea

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 09期

关键词：

D O I：

10.1063/1.2776981

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We describe a fiber-optic interferometer to detect the motion of nanomechanical resonators. In this system, the primary technical challenge of aligning the fiber-optic probe to nanometer-scale resonators is overcome by simply monitoring the scattered light from the devices. The system includes no free-space optical components, and is thus simple, stable, and compact with an estimated displacement sensitivity of similar to 0.3 pm/root Hz at optical power levels of similar to 0.75 mW.

引用

页数：3

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