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Table of Contents

June 01, 2020; Volume 320,Issue 6

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Cover Image Credits

An apparatus for measuring and manipulating light from a fluorescent defect in a diamond. In the cover photo, a diamond is being irradiated by a 532-nm (green) laser n order to excite electrons in a site that has a nitrogen atom plus a vacancy. The resulting fluorescence is extraordinarily sensitive to tiny magnetic fields, including those from adjacent magnetic nuclei. Also evident in the photo is a loop antenna for microwave excitation and a water-cooled magnet, which surrounds the objective. This technology will fundamentally change experimental geochemistry (see article by Casey and others, p. 533–545). Photo by Zhipan Wang, UC Davis.

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American Journal of Science: 320 (6)
American Journal of Science
Vol. 320, Issue 6
1 Jun 2020
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