论文标题
阿尔卑斯山II的主动光子再生
Active Photon Regeneration for ALPS II
论文作者
论文摘要
Alps II，任何光粒子搜索，都是通过墙壁实验闪闪发光的第二代光线，该光线可以追捕轴突样颗粒。它使用两个光腔；在壁的每一侧一个，首先从非常强大的腔内光场产生光颗粒，然后将这些颗粒转回第二个称为再生腔的腔中的光子。 Alps II将检测类似轴的颗粒，或者将其耦合强度的上限与$ g_ {Aγγ} \ leq2 \ times10^{ - 11} \ text {gev}^}^{ - 1} $的两个光子的上限。该实验目前正在从设计和施工阶段过渡到调试阶段，而科学运行预计将于2021年开始。阿尔卑斯山II的挑战之一是其中一个空腔必须在PM水平上跟踪另一个腔的长度。本文讨论了用主动再生系统代替再生腔的可能性，该系统有望具有相似的信号与噪声比。对于阿尔卑斯山II，这是一种降低风险活动。但是，阿尔卑斯山的再生腔与干涉重力波检测器中的信号回收（Ligo，Pirgo，Geo和Kagra）的信号回收基本上非常相似，并且基本思想也很可能也适用。
ALPS II, the Any Light Particle Search, is a second-generation Light Shining through a Wall experiment that hunts for axion-like particles. It uses two optical cavities; one on each side of the wall, to first generate light particles from a very strong intra-cavity optical field and then turn these particles back into photons in the second cavity called the regeneration cavity. ALPS II will either detect axion-like particles or provide an upper limit on their coupling strength to two photons of $g_{aγγ}\leq2\times10^{-11}\text{GeV}^{-1}$. The experiment is currently transitioning from the design and construction phase to the commissioning phase with science runs expected to start in 2021. One of the challenges of ALPS II is that one of the cavities will have to track the length of the other cavity at the pm level. This paper discusses the possibility of replacing the regeneration cavity with an active regeneration system which promises a similar signal to noise ratio. For ALPS II, this is a risk reduction activity. However, the regeneration cavity in ALPS is fundamentally very similar to signal recycling in interferometric gravitational wave detectors (LIGO, VIRGO, GEO, and KAGRA) and the basic idea might very well be applicable there as well.
