Planar ion microtraps.
Planar ion microtraps.
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DOI：
10.1103/physreva.46.r6781
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发表时间：
1992-12
期刊：
影响因子：
--
通讯作者：
Richard G. Brewer;R. G. Devoe;R. Kallenbach
中科院分区：
文献类型：
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作者：
Richard G. Brewer;R. G. Devoe;R. Kallenbach
通过拉普拉斯方程的数值解和解析解，分析了平面四极离子陷阱。这些包括一个或多个导电环或其类似物，一个或多个导电片上的孔。势中的主导项是谐项，对应于Paul陷阱，但系数降低了效率，对于某些陷阱，非谐项可以被抑制到八阶。预测了具有径向和轴对称的所有电极构型的稳定离子俘获。一个内孔半径为80微米的三孔微陷阱捕获了一对多(密云)激光冷却离子，其中两离子的距离被压缩为1\保证数学{\mU}m，从而允许在量子光学中进行新的实验。此外，使用光刻制造来设想用于光学时钟的陷阱阵列。
Planar quadrupole ion traps have been analyzed through numerical and analytic solutions of Laplace's equation. These involve either one or more conducting rings or their analogs, a hole in one or more conducting sheets. The leading terms in the potential are harmonic, corresponding to the Paul trap, but with coefficients that reduce their efficiency and for some traps, the anharmonic terms can be suppressed to eighth-order. Stable ion trapping is predicted for all electrode configurations possessing radial and axial symmetry. A three-hole microtrap with an inner hole radius of 80 \ensuremath{\mu}m trapped from one to many (dense clouds) laser-cooled ${\mathrm{Ba}}^{+}$ ions where the two-ion distance is compressed to 1 \ensuremath{\mu}m, allowing new experiments in quantum optics. Also, arrays of traps for optical clocks are contemplated using photolithographic fabrication.