Measuring method and measuring arrangement for an imaging optical system

A measurement arrangement and a method for measuring a wavefront aberration of an imaging optical system (10) of a microlithographic projection exposure apparatus. The method includes separate measurement of respective wavefront aberrations of different partial arrangements (M1; M2; M3; M1, M3) of t...

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Bibliographische Detailangaben
Hauptverfasser: Hetzler, Jochen, Stiepan, Hans-Michael, Wegmann, Ulrich
Format: Patent
Sprache:eng
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Zusammenfassung:A measurement arrangement and a method for measuring a wavefront aberration of an imaging optical system (10) of a microlithographic projection exposure apparatus. The method includes separate measurement of respective wavefront aberrations of different partial arrangements (M1; M2; M3; M1, M3) of the optical elements.