Spinning angle optical calibration apparatus
This patent describes an optical calibration apparatus 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.
- Assignee:
- Dept. of Energy, Washington, DC (USA)
- Patent Number(s):
- US 4996483; A
- Application Number:
- PPN: US 7-406004
- OSTI ID:
- 6015809
- Resource Relation:
- Patent File Date: 12 Sep 1989
- Country of Publication:
- United States
- Language:
- English
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Spinning angle optical calibration apparatus
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Related Subjects
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CALIBRATION
OPTICAL EQUIPMENT
NMR SPECTROMETERS
LIGHT SOURCES
MAGIC NUCLEI
NUCLEAR MAGNETIC RESONANCE
NUCLEAR STRUCTURE
SAMPLE HOLDERS
EQUIPMENT
MAGNETIC RESONANCE
MEASURING INSTRUMENTS
NUCLEI
RADIATION SOURCES
RESONANCE
SPECTROMETERS
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