Compound lens

Patent · Wed May 21 00:00:00 EDT 1980

OSTI ID:6605369

Brixner, B B; Klein, M M; Winkler, M A

The disclosure relates to at least one calcium fluoride optical element used in combination with at least two ordinary crown glass lens elements to greatly reduce secondary spectrum in optical systems.

• DOE Contract Number: W-7405-ENG-26
• Assignee: Dept. of Energy
• OSTI ID: 6605369
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
LENSES
DESIGN
OPTICAL SYSTEMS
CALCIUM FLUORIDES
GLASS
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM HALIDES
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
420200* - Engineering- Facilities
Equipment
& Techniques