Apparatuses and methods for alkali spectroscopy
AssigneeHoneywell International Inc.
InventorsKarl D. Nelson, Matthew Wade Puckett, Neil Krueger
Life of this patent
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Abstract
An apparatus is provided. The apparatus comprises a substrate; a low index of refraction region in or on the substrate; an optical waveguide; a cover; wherein at least a portion of the low index of refraction region and the optical waveguide are hermetically sealed under the cover; a chamber formed by the low index of refraction region and the cover; atoms; an environment, in the chamber, including the atoms and having a first index of refraction; a segment of the optical waveguide formed over the low index of refraction region and within the chamber; and wherein the segment has a second index of refraction which is substantially equal to the first index of refraction.
Claims10
An apparatus, comprising:
- a substrate;
- a low index of refraction region in or on a substrate, where the low index of refraction region has an index of refraction greater than or equal to 1.00001 and less than 1.2;
- an optical waveguide;
- a cover;
- wherein at least a portion of the low index of refraction region and the optical waveguide are hermetically sealed under the cover;
- a chamber formed by the low index of refraction region and the cover;
- atoms;
- an environment, in the chamber, including the atoms in a vacuum;
- and
- a segment of the optical waveguide surrounded only by the low index of refraction region, the vacuum, and the atoms in the vacuum, where the segment has an index of refraction that is greater than 1.00001 and less than or equal to 1.2, and where the index of refraction of the low index of refraction region is less than the index of refraction of the segment.
Dependencies are inferred from the claim text.