Development of an ultra-narrow diode laser for interrogating the 674 nm ~2S_(1/2)-~2D_(5/2) 'clock' transition in Sr~+

机译：用于询问674 nm〜2S_（1/2）-〜2D_（5/2）“ Sr〜+”中“时钟”跃迁的超窄二极管激光器的开发

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An optical frequency standard, based on the 674 nm ~2S_(1/2)-~2D_(5/2) "clock" transition in a laser cooled trapped strontium ion is currently being evaluated at the UK National Physical Laboratory. The probe laser is a narrowed AlGaInP diode laser locked to a highly-stable and ultra-low-expansion high-finesse cavity. Laser linewidths of less than 200 Hz have been observed, measured by scanning over a single Zeeman component at 674 nm. The development of this laser is described, together with factors currently limiting the observed linewidth. Three ~(88)Sr~+ traps are now in operation, and the probe laser source can be simultaneously locked to the centre of the ~2S_(1/2)-~2D_(5/2) Zeeman multiplet in any two of the three traps, allowing a comparison between them. Recent results on this comparison are presented.

机译：目前，英国国家物理实验室正在评估基于674 nm〜2S_（1/2）-〜2D_（5/2）“时钟”跃迁的光频率标准，该激光冷却的俘获锶离子中。探测激光器是一种狭窄的AlGaInP二极管激光器，锁定在高度稳定和超低膨胀的高精细腔体上。观察到的激光线宽小于200 Hz，这是通过在674 nm处扫描单个Zeeman分量进行测量的。描述了这种激光器的发展以及目前限制观察到的线宽的因素。现在有三个〜（88）Sr〜+陷阱正在运行，并且探测激光源可以同时锁定到任意两个方向上的〜2S_（1/2）-〜2D_（5/2）Zeeman多重峰的中心。三个陷阱，可以对它们进行比较。介绍了此比较的最新结果。

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来源
《Conference on Laser Frequency Stabilization, Standards, Measurement, and Applications Jan 24-26, 2001, San Jose, USA》|2001年|p.134-142|共9页
会议地点 San Jose CA(US)
作者
GP Barwood; K Gao; P Gill; G Huang; HA Klein;
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作者单位

National Physical Laboratory, Queens Road, Teddington, Middx TW11 0LW UK;

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会议组织
原文格式 PDF
正文语种 eng
中图分类无线电电子学、电信技术;
关键词
laser stability; optical resonators; optical spectroscopy; laser cooling;

机译：激光稳定性光学谐振器；光谱学;激光冷却;

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1. Precision Measurements of the ~(138)Ba~+ 6s~2S_(1/2) - 5d~2D_(5/2) Clock Transition [J] . Arnold K. J., Kaewuam R., Chanu S. R., Physical review letters . 2020,第19期

机译：精确测量〜（138）Ba〜+ 6s〜2s_（1/2） - 5d〜2d_（5/2）时钟转换
2. Hertz-level measurement of the ~(40)Ca~+ 4s ~2S_(1/2)-3d ~2D_(5/2) clock transition frequency with respect to the SI second through the Global Positioning System [J] . Y. Huang, J. Cao, P. Liu, Physical Review, A. Atomic, molecular, and optical physics . 2012,第3aPta1期

机译：通过全球定位系统相对于SI秒的〜（40）Ca〜+ 4s〜2S_（1/2）-3d〜2D_（5/2）时钟转换频率的赫兹级测量
3. Absolute Frequency Measurement Of The ~(40)ca~+ 4s~2s_(1/2) - 3d~2d_(5/2) Clock Transition [J] . M. Chwalla, J. Benhelm, K. Kim, Physical review letters . 2009,第2期

机译：〜（40）ca〜+ 4s〜2s_（1/2）-3d〜2d_（5/2）时钟转换的绝对频率测量
4. Development of an ultra-narrow diode laser for interrogating the 674 nm ~2S_(1/2)-~2D_(5/2) "clock" transition in Sr~+ [C] . K, HA Klein, G Huang, Conference on laser frequency stabilization, standards, measurement, and applications . 2001

机译：开发超窄二极管激光器，用于询问SR〜+中的674 nm〜2s_（1/2） - 〜2d_（5/2）“时钟”转换
5. Frequency stabilization of a 1092-nm diode-pumped fiber laser and a 1033-nm external cavity diode laser for use in an optical atomic clock based on a strontium-88 single ion. [D] . Humphrey, Gideon. 2010

机译：用于基于锶88单离子的光学原子钟中使用的1092 nm二极管泵浦光纤激光器和1033 nm外腔二极管激光器的频率稳定性。
6. A simplified 461-nm laser system using blue laser diodes and a hollow cathode lamp for laser cooling of Sr [O] . Yosuke Shimada, Yuko Chida, Nozomi Ohtsubo, -1

机译：一种简化的461 nm激光系统使用蓝色激光二极管和空心阴极灯对Sr进行激光冷却
7. $E1$ PNC transition amplitudes of the hyperfine components for $^2S_{1/2}$ $-$ $^2D_{3/2}$ transitions of $^{137}$Ba$^{+}$ and $^{87}$Sr$^{+}$ [O] . Dutta, Narendra Nath, Majumder, Sonjoy 2014

机译：$ E1 $ pNC超精细分量的过渡幅度 $ ^ 2s_ {1/2} $ $ - $ $ ^ 2D_ {3/2} $过渡$ ^ {137} $ Ba $ ^ {+} $和 $ ^ {87} $锶$ ^ {+} $

Development of an ultra-narrow diode laser for interrogating the 674 nm ~2S_(1/2)-~2D_(5/2) 'clock' transition in Sr~+

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