http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1716642-A2
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_69108fc12b940ede105638f37f06080b |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G04F5-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01R33-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H03L7-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G04F5-145 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H03L7-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G04F5-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01R33-26 |
| filingDate | 2005-02-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_99b4162420db58c3a227d904a43b0a70 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c148b0465fb3a82329f7c5628b3273db http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e5b6baae2cb1efe7d087a1402ab23dcd http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d8616805ad8222e53fe016acbafe64d5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a26fbec4082f26a9f1415421fa4ed50d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cd1447ee2a23d83a3c458a5fd410091f |
| publicationDate | 2006-11-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-1716642-A2 |
| titleOfInvention | Method and system for operating an atomic clock with alternating-polarization light |
| abstract | The present invention provides a method and apparatus for increasing the intensity of coherent population trapping (CPT) resonances, used in atomic clocks and magnetometers, by pumping the atoms with light of alternating polarization. Pumping with such light, characterized by a photon spin vector that alternates in direction at a hyperfine frequency of the atoms at the location of the atoms, is referred to as push-pull pumping. In one embodiment of the system of the present invention, alkali-metal vapor is pumped with alternating circular-polarization D 1 laser light that is intensity modulated at appropriate resonance frequencies, thereby exciting CPT resonances, which can be observed as increase in the mean transmittanee of the alkali-metal vapor. These resonances are substantially enhanced due to an, optically-induced concentration of atoms in the resonant energy sublevels. |
| priorityDate | 2004-02-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 26.