Robust and precise length stabilization of a 25-km long optical fiber using an optical interferometric method with a digital phase-frequency discriminator

被引：21

作者：

Musha, M

Sato, Y

Nakagawa, K

Ueda, K

Ueda, A

Ishiguro, M

机构：

[1] Univ Electrocommun, Inst Laser Sci, Chofu, Tokyo 1828585, Japan

[2] Natl Astron Observ, Mitaka, Tokyo 1818588, Japan

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2006年 / 82卷 / 04期

关键词：

D O I：

10.1007/s00340-005-2125-6

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have developed an optical fiber length stabilization system for the distribution of reference millimeter wave signals in a long-baseline phased-array radio telescope. The fiber length was compared with an absolute wavelength reference laser using a Michelson interferometer. We used a digital servo system including a digital phase-frequency discriminator with a wide phase dynamic range and a digital signal processor (DSP) for the digital servo system. All-digital servo system made it possible to realize a robust and precise length stabilization of a 25-km long optical fiber.

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收藏

页码：555 / 559

页数：5

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