A system is described which provides for direct measurement of the difference between linear dichroism, circular dichroism, or phase shifts (in transmission or reflection) of two adjacent samples. A uniaxial crystal is used to produce two incident light beams of mutually orthogonal polarization. The total intensity is analyzed by a single detector to give the differential quantities.

Topics
Dichroism, Optical metrology, Optical properties
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© 1974 The American Institute of Physics.
1974
The American Institute of Physics
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