Optical phase reference

Details Optical phase reference Optical phase reference

2011-06-28

2011-06-28

Porta, David P. (Department: 2884)

Radiant energy

Calibration or standardization methods

Reexamination Certificate

active

07968840

ABSTRACT:
A validation apparatus for testing the measurement accuracy of a phase fluorimeter comprising:i) a photodetector responsive to the excitation light emitted by a phase fluorimeter;ii) electronics connected to the detector which calculates the phase of the light emitted by the phase fluorimeter and causes a light source in the validation apparatus to emit light of a wave length which will stimulate the detector of the phase fluorimeter but which is phase shifted relative to the light emitted by the phase fluorimeter.

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patent: 6426505 (2002-07-01), Rao et al.
patent: 2002/0190221 (2002-12-01), Hutchison
patent: 2007/0057198 (2007-03-01), Wilson et al.
patent: 2008/0130695 (2008-06-01), Riddle et al.

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