منابع مشابه
Spectroscopy of Stored Ions
The benign environment and long confinement times obtained with ion storage techniques have led to some unique experiments in the area of precision measurements and fundamental constants. This is perhaps epitomized by the single electron g factor measurements at the University of Washington in which a precision of 4 parts in 10” has been attained. Now, use of lasers to cool stored ions has allo...
متن کاملApplication of Laser - Cooled Ions to Frequency Standards and Metrology '
With the first experiments on laser cooling, it was realized that a principal application of the technique would be to reduce Doppler shifts in freqwncy stand9tds. Loser cooling is still thought to be eaxntid to achieve uncertainty significantly smaller than 1 part in io"; however, a number of other problems must be solved to achieve this goal with stored atomic ions. For both RF/microwave and ...
متن کاملOptical frequency standards based on the 199Hg+ ion
We report on work directed toward the systematic evaluation of an optical frequency standard based on the 2 1 25 2 transition of a single, laser-cooled, trapped Hg + ion, whose resonance frequency is 1.06 10Hz. For the purpose of the evaluation, a second 199Hg standard has been constructed. In the cooling-laser system built for the second standard, an injection-locking scheme has been applied t...
متن کاملDeveloping Clinical Nursing Education Standards in Iran Based on International Standards
Introduction: Accreditation is one of the most important quality assurance and improvement methods in medical sciences education, especially in the field of nursing clinical education. However, there are not compiled standards in this regard and employing international standards does not seem to be practical. Accordingly, the researchers in this study tried to develop the national standards for...
متن کاملLaser cooling of fast stored ions in barrier buckets
We apply novel bunch forms for e$cient laser cooling of fast stored ion beams at the Heidelberg Test Storage Ring. 9Be` ions are longitudinally con"ned in barrier buckets providing free motion of the cooled ions inside the bucket (quasi-coasting beam). The implementation of laser cooling in barrier buckets is described, and longitudinal dynamics of laser cooling is compared to electron cooling....
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ژورنال
عنوان ژورنال: Proceedings of the IEEE
سال: 1986
ISSN: 0018-9219,1558-2256
DOI: 10.1109/proc.1986.13424