WAVEFRONT SENSOR AND ASSOCIATED METROLOGY APPARATUS
Disclosed is a wavefront sensor for measuring a tilt of a wavefront at an array of locations across a beam of radiation, wherein said wavefront sensor comprises a film, for example of Zirconium, having an indent array comprising an indent at each of said array of locations, such that each indent of...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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