Coherent cancellation of photothermal noise in GaAs/Al0.92Ga0.08As Bragg mirrors
Coherent cancellation of photothermal noise in GaAs/Al0.92Ga0.08As Bragg mirrors
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GaAs/Al0 92Ga0 08As 布拉格反射镜中光热噪声的相干消除
DOI:
10.1088/0026-1394/53/2/860
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发表时间:
2016
期刊:
影响因子:
2.4
通讯作者:
R. X. Adhikari
中科院分区:
文献类型:
--
作者:
T. Chalermsongsak;F. Seifert;E. D. Hall;K. Arai;D. Follman;G. D. Cole;M. Aspelmeyer;E. K. Gustafson;R. X. Adhikari
Thermal noise is a limiting factor in many high-precision optical experiments. A search is underway for novel optical materials with reduced thermal noise. One such pair of materials, gallium arsenide and aluminum-alloyed gallium arsenide (collectively referred to as AlGaAs), shows promise for its low Brownian noise when compared to conventional materials such as silica and tantala. However, AlGaAs has the potential to produce a high level of thermo-optic noise. We have fabricated a set of AlGaAs crystalline coatings, transferred to fused silica substrates, whose layer structure has been optimized to reduce thermo-optic noise by inducing coherent cancellation of the thermoelastic and thermorefractive effects. By measuring the photothermal transfer function of these mirrors, we find evidence that this optimization has been successful.
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DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
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5
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DOI:
10.1117/12.944060
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1987
期刊:
Journal of the Optical Society of America. A, Optics, image science, and vision
影响因子:
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通讯作者:
J. English
DOI:
10.1364/josaa.29.001722
发表时间:
2012
期刊:
Journal of the Optical Society of America. A, Optics, image science, and vision
影响因子:
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作者:
F. Magaña;R. Adhikari;V. Frolov;J. Harms;Jacqueline Lee;S. Sankar;P. Saulson;J. Smith
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