Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1997-10-22
1999-06-22
Noori, Max H.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
356238, 25055911, G01L 124
Patent
active
059152796
ABSTRACT:
The disclosed method determines at least a first measurement parameter of an object by locating the object in a measurement interaction volume having a light absorbing background and passing through that volume a measurement light beam which has at least two spectrally different wavelengths of light. The measurement light is interacted with the object to product measurement outgoing light which is light reflected from the object while in the measurement reaction volume. That outgoing light is filtered into at least two spectrally different outgoing light portions which are detected and generated therefrom are signals which are a function of the at least a first measurement parameter which is then determined from those signals.
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Caffin Roger Neil
Cantrall Christopher Joseph
Higgerson Graham John
Holcombe Barry Victor
Humphries William
Commonwealth Scientific and Industrial Research Organization
Noori Max H.
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