Preventing spin relaxation of optically pumped alkali metal atoms by atomically thin hybrid polymer film coating

H. Kumagai; S. Kobayashi; S. Takeda; E. Ogawa; H. Ishikawa

doi:10.1117/12.2509254

4 March 2019 Preventing spin relaxation of optically pumped alkali metal atoms by atomically thin hybrid polymer film coating

H. Kumagai, S. Kobayashi, S. Takeda, E. Ogawa, H. Ishikawa

Author Affiliations +

Proceedings Volume 10907, Synthesis and Photonics of Nanoscale Materials XVI; 109070Y (2019) https://doi.org/10.1117/12.2509254
Event: SPIE LASE, 2019, San Francisco, California, United States

Abstract

We developed molecular layer deposition method of atomically thin hybrid polymer film for the first time by developing atomic layer deposition method with sequential surface chemical reactions in order to minimize the effect of the dipole-dipole interaction between the electron spin of alkali metal atoms and the nuclear spin of the atoms in the glass of the cell. We controlled film thickness of polymer thin film precisely and finally aimed at improving the sensitivity of the optically pumped atomic magnetometer. In the presentation, we report on the relaxation time of spin polarization by atomically thin hybrid polymer film with laser pump-probe method.

Conference Presentation

Citation Download Citation

H. Kumagai, S. Kobayashi, S. Takeda, E. Ogawa, and H. Ishikawa "Preventing spin relaxation of optically pumped alkali metal atoms by atomically thin hybrid polymer film coating", Proc. SPIE 10907, Synthesis and Photonics of Nanoscale Materials XVI, 109070Y (4 March 2019); https://doi.org/10.1117/12.2509254

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