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Title: Spinning angle optical calibration apparatus

Abstract

An optical calibration apparatus is provided for calibrating and reproducing spinning angles in cross-polarization, nuclear magnetic resonance spectroscopy. An illuminated magnifying apparatus enables optical setting an accurate reproducing of spinning "magic angles" in cross-polarization, nuclear magnetic resonance spectroscopy experiments. A reference mark scribed on an edge of a spinning angle test sample holder is illuminated by a light source and viewed through a magnifying scope. When the "magic angle" of a sample material used as a standard is attained by varying the angular position of the sample holder, the coordinate position of the reference mark relative to a graduation or graduations on a reticle in the magnifying scope is noted. Thereafter, the spinning "magic angle" of a test material having similar nuclear properties to the standard is attained by returning the sample holder back to the originally noted coordinate position.

Inventors:
 [1];  [1]
  1. (Morgantown, WV)
Issue Date:
Research Org.:
National Energy Technology Laboratory, Pittsburgh, PA, and Morgantown, WV
OSTI Identifier:
867726
Patent Number(s):
4996483
Assignee:
United States of America as represented by United States (Washington, DC) NETL
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
spinning; angle; optical; calibration; apparatus; provided; calibrating; reproducing; angles; cross-polarization; nuclear; magnetic; resonance; spectroscopy; illuminated; magnifying; enables; setting; accurate; magic; experiments; reference; mark; scribed; edge; sample; holder; light; source; viewed; scope; material; standard; attained; varying; angular; position; coordinate; relative; graduation; graduations; reticle; noted; thereafter; similar; properties; returning; originally; resonance spectroscopy; angular position; sample holder; magnetic resonance; light source; nuclear magnetic; sample material; optical calibration; coordinate position; reference mark; spinning angle; calibration apparatus; apparatus enables; /324/356/

Citation Formats

Beer, Stephen K., and Pratt, II, Harold R. Spinning angle optical calibration apparatus. United States: N. p., 1991. Web.
Beer, Stephen K., & Pratt, II, Harold R. Spinning angle optical calibration apparatus. United States.
Beer, Stephen K., and Pratt, II, Harold R. Tue . "Spinning angle optical calibration apparatus". United States. https://www.osti.gov/servlets/purl/867726.
@article{osti_867726,
title = {Spinning angle optical calibration apparatus},
author = {Beer, Stephen K. and Pratt, II, Harold R.},
abstractNote = {An optical calibration apparatus is provided for calibrating and reproducing spinning angles in cross-polarization, nuclear magnetic resonance spectroscopy. An illuminated magnifying apparatus enables optical setting an accurate reproducing of spinning "magic angles" in cross-polarization, nuclear magnetic resonance spectroscopy experiments. A reference mark scribed on an edge of a spinning angle test sample holder is illuminated by a light source and viewed through a magnifying scope. When the "magic angle" of a sample material used as a standard is attained by varying the angular position of the sample holder, the coordinate position of the reference mark relative to a graduation or graduations on a reticle in the magnifying scope is noted. Thereafter, the spinning "magic angle" of a test material having similar nuclear properties to the standard is attained by returning the sample holder back to the originally noted coordinate position.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1991},
month = {1}
}

Patent:

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