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U.S. Department of Energy
Office of Scientific and Technical Information

Optical fiber lasers and amplifiers

Patent ·
OSTI ID:6084917

An optical fiber is described, which comprises: a substantially single-mode core having an index of refraction n/sub 1/ comprised of laser material disposed within a multi-mode cladding having an index of refraction n/sub 2/; and a further cladding having an index of refraction n/sub 3/ surrounding the multi-mode cladding with substantially no space between the further cladding and the multi-mode cladding; wherein the single-mode core is disposed at an offset from the geometric center of the multi-mode cladding.

Assignee:
Polaroid Corp., Cambridge, MA
Patent Number(s):
US 4815079
OSTI ID:
6084917
Country of Publication:
United States
Language:
English