Magneto-optical Trapping through a Transparent Silicon Carbide Atom Chip

Details Magneto-optical Trapping through a Transparent Silicon Carbide Atom Chip Magneto-optical Trapping through a Transparent Silicon Carbide Atom Chip

2011-09-09

arxiv.org/abs/1109.1987v1

Physics

Atomic Physics

Scientific paper

We demonstrate the possibility of trapping about one hundred million rubidium atoms in a magneto-optical trap with several of the beams passing through a transparent atom chip mounted on a vacuum cell wall. The chip is made of a gold microcircuit deposited on a silicon carbide substrate, with favorable thermal conductivity. We show how a retro-reflected configuration can efficiently address the chip birefringence issues, allowing atom trapping at arbitrary distances from the chip. We also demonstrate detection through the chip, granting a large numerical aperture. This configuration is compared to other atom chip devices, and some possible applications are discussed.

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