Optics: measuring and testing – By light interference – Spectroscopy
Reexamination Certificate
2002-07-15
2008-12-16
Turner, Samuel A (Department: 2877)
Optics: measuring and testing
By light interference
Spectroscopy
C356S454000, C356S455000
Reexamination Certificate
active
07466421
ABSTRACT:
A diffractive interferometric optical device is provided for measuring spectral properties of light. The device includes means for coupling in a single spatial mode of an incoming light field to be examined, means for splitting the single spatial mode of incoming light field into at least two partial fields, means for changing one of a shape or a direction of propagation of the wavefront of at least one of the at least two partial fields in dependence on the wavelength and means for generating an interference pattern superimposing the at least two partial fields. The device further comprises detection means to record and evaluate the interference pattern at a plurality of discrete spatial positions in order to derive spectral properties of the incoming light field.
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CAMPus Technologies AG
Dilworth & Barrese LLP
Turner Samuel A
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