Optical frequency standard development in support of NASA's gravity-mapping missions

W. Klipstein, D. Seidel, J. A. White, B. Young
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引用次数: 2

Abstract

We. have begun constructing all-solid-state laser systems at 778 nm and at 532 nm in support of a satellite-based gravity-mapping mission tentatively planned to fly in 2007. In each case the lasers will be stabilized at short times to high-finesse Fabry-Perot cavities. At longer times the 778 nm laser will be stabilized to the 2-photon transition in rubidium.. In the 532 nm system, a frequency-doubled Nd:YAG laser with a non-planar ring oscillator (NPRO) design will be frequency-locked to a molecular iodine line. We intend to combine the exquisite performance over short time scales coming from a cavity reference with the long-term stability of an atomic frequency standard with an eye towards reliability in a spaceflight. application. By developing. two separate candidate systems with proven performance we intend to maximize the probability of success for this mission-critical system development.
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开发光学频率标准,支持NASA的重力测绘任务
我们。已经开始建造778纳米和532纳米的全固态激光系统,以支持一项初步计划于2007年发射的卫星重力测绘任务。在每种情况下,激光都将在短时间内稳定在高精细度的法布里-珀罗腔中。在较长的时间内,778 nm激光将稳定到铷中的2光子跃迁。在532 nm系统中,采用非平面环形振荡器(NPRO)设计的倍频Nd:YAG激光器将被锁定在分子碘谱线上。我们打算将来自空腔参考的短时间尺度上的精致性能与原子频率标准的长期稳定性结合起来,并着眼于航天飞行的可靠性。应用程序。通过开发。两个独立的候选系统,经过验证的性能,我们打算最大化这个关键任务系统开发成功的可能性。
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