Condenser for illuminating a ring field

Patent · Tue Nov 01 00:00:00 EST 1994

OSTI ID:6883325

Sweatt, W C

A series of segments of a parent aspheric mirror having one foci at a point source of radiation and the other foci at the radius of a ring field have all but one or all of their beams translated and rotated by sets of mirrors such that all of the beams pass through the real entrance pupil of a ring field camera about one of the beams and fall onto the ring field radius as a coincident image as an arc of the ring field. 5 figs.

• DOE Contract Number: AC04-76DP00789
• Assignee: Dept. of Energy, Washington, DC (United States)
• Patent Number(s): US 5361292; A
• Application Number: PPN: US 8-060335
• OSTI ID: 6883325
• Resource Relation: Patent File Date: 11 May 1993
• Country of Publication: United States
• Language: English

Related Subjects

47 OTHER INSTRUMENTATION
CAMERAS
DESIGN
APERTURES
FOCUSING
MIRRORS
POINT SOURCES
OPENINGS
RADIATION SOURCES
440600* - Optical Instrumentation- (1990-)