Beam focusing and reflecting optics with enhanced detector system

In ellipsometer and polarimeter systems, reflective optics including both convex and a concave mirrors that have beam reflecting surfaces, as well as aperture control of beam size to optimize operation with respect to aberration and diffraction effects while achieve the focusing of a beam of electro...

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Bibliographische Detailangaben
Hauptverfasser:	He, Ping, Meyer, Duane E, Liphardt, Martin M, Hale, Jeffrey S, Pfeiffer, Galen L
Format:	Patent
Sprache:	eng
Schlagworte:	COLORIMETRY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS RADIATION PYROMETRY TESTING
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Beschreibung
Zusammenfassung:	In ellipsometer and polarimeter systems, reflective optics including both convex and a concave mirrors that have beam reflecting surfaces, as well as aperture control of beam size to optimize operation with respect to aberration and diffraction effects while achieve the focusing of a beam of electromagnetic radiation with minimized effects on a polarization state of an input beam state of polarization that results from adjustment of angles of incidence and reflections from the various mirrors involved, and further including detectors of electromagnetic radiation that enable optimization of the operation thereof for application over various specific wavelength ranges, involving functional combinations of gratings and/or combination dichroic beam splitter-prisms, which themselves can be optimized as regards wavelength dispersion characteristics.