Multipass illumination of an elongated zone

Multipass illumination of an elongated zone

A system for providing multiple traversal illumination of a region with a beam of radiation wherein the illumination provides substantial but not complete overlap at each repeated pass of the beam throughout the region. Because there is a slight shift in direction of the beam on each traversal of th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ROSTLER, PETER S
Format: Patent
Sprache:eng
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PHYSICS
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:A system for providing multiple traversal illumination of a region with a beam of radiation wherein the illumination provides substantial but not complete overlap at each repeated pass of the beam throughout the region. Because there is a slight shift in direction of the beam on each traversal of the region, it is possible to apply the beam and extract it after a predetermined number of traversals, and means are provided for this purpose. In addition, more than one beam may be applied to the same region, each having a different, predetermined number of traversals before extraction. In this manner, a form of beam combination is achieved.