POLARISATION SELECTIVE IMAGING

Abstract: a measuring device for imaging an object, including a light emitting unit configured to emit polarised measuring light, a light receiving unit configured to receive and detect reflected measuring light, and a support structure which comprises a retro-reflective layer and a polarisation state manipulation layer. the support structure provides retro-reflecting of the measuring light and changing a polarisation state of the measuring light such that the polarisation state of incident measuring light is different relative to the polarisation state of retro-reflected measuring light. the measuring device comprises a polarisation selecting unit configured to provide selecting either reflected measuring light with a first polarisation state or with a second polarisation state.

Inventor(s): Danick BRÜHLMANN, Thomas JENSEN, Zheng YANG, Frank PRZYGODDA, Johan STIGWALL

CPC Classification: G01B11/005 (Measuring arrangements characterised by the use of optical techniques)

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