High reflectivity grating waveguide coatings for 1064 nm

被引：30

作者：

Bunkowski, A.

Burmeister, O.

Friedrich, D.

Danzmann, K.

Schnabel, R.

机构：

[1] Leibniz Univ Hannover, Max Planck Inst Gravitationsphys, Albert Einstein Inst, D-30167 Hannover, Germany

[2] Leibniz Univ Hannover, Max Planck Inst Gravitationsphys, Inst Gravitat Phys, D-30167 Hannover, Germany

来源：

CLASSICAL AND QUANTUM GRAVITY | 2006年 / 23卷 / 24期

关键词：

D O I：

10.1088/0264-9381/23/24/007

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We propose thin single-layer grating waveguide structures to be used as high reflectivity, but low thermal noise, alternative to conventional coatings for gravitational wave detector test mass mirrors. Grating waveguide (GWG) coatings can show a reflectivity of up to 100% with an overall thickness of less than a wavelength. We theoretically investigate GWG coatings for 1064 nm based on tantala (Ta2O5) on a silica substrate focusing on broad spectral response and low thickness.

引用

收藏

页码：7297 / 7303

页数：7

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