Optically excited atomic frequency standard

Details Optically excited atomic frequency standard Optically excited atomic frequency standard

2004-11-24

2008-05-27

Kinkead, Arnold (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Molecular resonance stabilization

C331S094100

Reexamination Certificate

active

07378913

ABSTRACT:
An optically-excited atomic frequency standard that subjects alkali metal atoms (111) to circularly-polarized optical radiation. The atomic frequency standard is improved by the use of a circular polarizer (202) to control the intensity of the circularly-polarized optical radiation. The circular polarizer includes a linear polarizer (203) and a quarter-wave retarder (205), with the light to be circularly polarized passing first through the linear polarizer (203) and then through the quarter-wave retarder (205). In the atomic frequency standard, the optical radiation (105) to which the circular polarizer (202) is applied is itself linearly polarized, and the intensity of the circularly polarized light produced by the circular polarizer (202) is controlled by rotating (303) the circular polarizer. The degree of rotation determines how much of the linearly-polarized optical radiation passes through the linear polarizer, and thus how much circularly-polarized light is produced.

REFERENCES:
patent: 6320472 (2001-11-01), Vanier
“Basic Polarization Techniques and Devices”, Meadowlark Optics, Inc. 2003.

Affiliated with

Also associated with

Rating

Optically excited atomic frequency standard does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optically excited atomic frequency standard, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optically excited atomic frequency standard will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3986677