Optical characterization of ultrahigh diffraction efficiency gratings

被引：38

作者：

Bunkowski, A.

Burmeister, O.

Clausnitzer, T.

Key, E. -B.

Tuennermann, A.

Danzmann, K.

Schnabel, R.

机构：

[1] Max Planck Inst Gravitat Phys, Albert Einstein Inst, D-30167 Hannover, Germany

[2] Leibniz Univ Hannover, D-30167 Hannover, Germany

[3] Univ Jena, Inst Angew Phys, D-07743 Jena, Germany

来源：

APPLIED OPTICS | 2006年 / 45卷 / 23期

关键词：

D O I：

10.1364/AO.45.005795

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the optical characterization of an ultrahigh diffraction efficiency grating in a first-order Littrow configuration. The apparatus used was an optical cavity built from the grating under investigation and an additional high-reflection mirror. The measurement of the cavity finesse provided precise information about the grating's diffraction efficiency and its optical loss. We measured a finesse of 1580 from which we deduced a diffraction efficiency of (99.635 +/- 0.016)% and an overall optical loss due to scattering and absorption of just 0.185%. Such high-quallity gratings, including the tool used for their characterization, might apply for future gravitational wave detectors. For example, the demonstrated cavity itself presents an all-reflective, low-loss Fabry-Perot resonator that might replace conventional arm cavities in advanced high-power Michelson interferometers. (C) 2006 Optical Society of America.

引用

页码：5795 / 5799

页数：5

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