一种稳定的光纤法布里-珀罗腔
A stable fiber-based Fabry-Perot cavity
摘要：
我们报告了一种基于光纤的可调谐光腔的发展。该腔是法布里-珀罗型的，并且通过转移技术由定位在单模或多模光纤的端部上的微型球面镜形成，该转移技术包括从光滑的凸形衬底（球透镜或微透镜）提升高质量的镜。腔通常具有$\sim 1,000$的精细度和600 $μ$ m $^3$的模体积。我们演示了探测小合奏的冷Rb原子引导通过这样一个腔的原子芯片。
英文摘要：
We report the development of a fiber-based, tunable optical cavity with open access. The cavity is of the Fabry-Perot type and is formed with miniature spherical mirrors positioned on the end of single- or multi-mode optical fibers by a transfer technique which involves lifting a high-quality mirror from a smooth convex substrate, either a ball lens or micro-lens. The cavities typically have a finesse of $\sim 1,000$ and a mode volume of 600 $μ$m$^3$. We demonstrate the detection of small ensembles of cold Rb atoms guided through such a cavity on an atom chip.
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