A precise system for measuring weak optoacoustic perturbations

被引：9
|
作者：
Bezrukov, L. B. [1 ]
Kvashnin, N. L. [3 ]
Motylev, A. M. [2 ]
Oreshkin, S. I. [2 ]
Popov, S. M. [1 ,2 ]
Rudenko, V. N. [1 ,2 ]
Samoilenko, A. A. [1 ,2 ]
Skvortsov, M. N. [3 ]
Tsepkov, A. N. [1 ,2 ]
Cheprasov, S. A. [2 ]
Yudin, I. S. [2 ,3 ]
机构：
[1] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia
[2] Moscow MV Lomonosov State Univ, Sternberg Astron Inst, Moscow, Russia
[3] Russian Acad Sci, Siberian Branch, Inst Laser Phys, Novosibirsk 630090, Russia
来源：
INSTRUMENTS AND EXPERIMENTAL TECHNIQUES | 2010年 / 53卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
LASER;
D O I：
10.1134/S0020441210030176
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The practical implementation of a high-sensitivity measuring system based on an extended Fabry-Perot interferometer, which reacts to small variations of its optical length, is presented. The attained sensitivity is limited by the spectral noise density of optical pumping, which is lower than the resonance spectral density of thermal fluctuations of the interferometer base by one order of magnitude. Structurally, the system is an optoacoustic gravitational antenna without cooling (OGRAN). Extrapolating the results obtained for a pilot model to a large-size variant of the setup fo recasts a sensitivity sufficient for searching for gravitational bursts in the Galaxy and its nearest vicinity (within 100 kpc).
引用
收藏
页码：423 / 429
页数：7
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