METROLOGY SYSTEM AND COHERENCE ADJUSTERS

A metrology system (400) includes a multi-source radiation system. The multi-source radiation system includes a waveguide device (502) and the multi-source radiation system is configured to generate one or more beams of radiation. The metrology system (400) further includes a coherence adjuster (500...

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Bibliographische Detailangaben
Hauptverfasser: HUISMAN, Simon Reinald, LIAN, Jin, KREUZER, Justin Lloyd, PELLEMANS, Henricus Petrus Maria, ERALP, Muhsin, SOKOLOV, Sergei, GOORDEN, Sebastianus Adrianus
Format: Patent
Sprache:eng
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Zusammenfassung:A metrology system (400) includes a multi-source radiation system. The multi-source radiation system includes a waveguide device (502) and the multi-source radiation system is configured to generate one or more beams of radiation. The metrology system (400) further includes a coherence adjuster (500) including a multimode waveguide device (504). The multimode waveguide device (504) includes an input configured to receive the one or more beams of radiation from the multi-source radiation system (514) and an output (518) configured to output a coherence adjusted beam of radiation for irradiating a target (418). The metrology system (400) further includes an actuator (506) coupled to the waveguide device (502) and configured to actuate the waveguide device (502) so as to change an impingement characteristic of the one or more beams of radiation at the input of the multimode waveguide device (504).