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Title: Apparatus and method for polarizing polarizable nuclear species

Abstract

The present invention is a polarizing process involving a number of steps. The first step requires moving a flowing mixture of gas, the gas at least containing a polarizable nuclear species and vapor of at least one alkali metal, with a transport velocity that is not negligible when compared with the natural velocity of diffusive transport. The second step is propagating laser light in a direction, preferably at least partially through a polarizing cell. The next step is directing the flowing gas along a direction generally opposite to the direction of laser light propagating. The next step is containing the flowing gas mixture in the polarizing cell. The final step is immersing the polarizing cell in a magnetic field. These steps can be initiated in any order, although the flowing gas, the propagating laser and the magnetic field immersion must be concurrently active for polarization to occur.

Inventors:
; ;
Issue Date:
Research Org.:
Univ. of New Hampshire, Durham, NH (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1175506
Patent Number(s):
6949169
Application Number:
09/904,294
Assignee:
University Of New Hampshire
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01R - MEASURING ELECTRIC VARIABLES
DOE Contract Number:  
FG 02-88ER40410
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Hersman, F. William, Leuschner, Mark, and Carberry, Jeannette. Apparatus and method for polarizing polarizable nuclear species. United States: N. p., 2005. Web.
Hersman, F. William, Leuschner, Mark, & Carberry, Jeannette. Apparatus and method for polarizing polarizable nuclear species. United States.
Hersman, F. William, Leuschner, Mark, and Carberry, Jeannette. Tue . "Apparatus and method for polarizing polarizable nuclear species". United States. https://www.osti.gov/servlets/purl/1175506.
@article{osti_1175506,
title = {Apparatus and method for polarizing polarizable nuclear species},
author = {Hersman, F. William and Leuschner, Mark and Carberry, Jeannette},
abstractNote = {The present invention is a polarizing process involving a number of steps. The first step requires moving a flowing mixture of gas, the gas at least containing a polarizable nuclear species and vapor of at least one alkali metal, with a transport velocity that is not negligible when compared with the natural velocity of diffusive transport. The second step is propagating laser light in a direction, preferably at least partially through a polarizing cell. The next step is directing the flowing gas along a direction generally opposite to the direction of laser light propagating. The next step is containing the flowing gas mixture in the polarizing cell. The final step is immersing the polarizing cell in a magnetic field. These steps can be initiated in any order, although the flowing gas, the propagating laser and the magnetic field immersion must be concurrently active for polarization to occur.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2005},
month = {9}
}

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Works referenced in this record:

High‐volume production of laser‐polarized 129 Xe
journal, September 1996


Polarized 129Xe optical pumping/spin exchange and delivery system for magnetic resonance spectroscopy and imaging studies
journal, February 1999