Very high numerical aperture light transmitting device

Patent · Thu Jan 01 00:00:00 EST 1998

OSTI ID:871861

Allison, Stephen W ^[1]; Boatner, Lynn A ^[2]; Sales, Brian C ^[1]

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1. Knoxville, TN
2. Oak Ridge, TN

A new light-transmitting device using a SCIN glass core and a novel calcium sodium cladding has been developed. The very high index of refraction, radiation hardness, similar solubility for rare earths and similar melt and viscosity characteristics of core and cladding materials makes them attractive for several applications such as high-numerical-aperture optical fibers and specialty lenses. Optical fibers up to 60 m in length have been drawn, and several simple lenses have been designed, ground, and polished. Preliminary results on the ability to directly cast optical components of lead-indium phosphate glass are also discussed as well as the suitability of these glasses as a host medium for rare-earth ion lasers and amplifiers.

• Research Organization: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
• Assignee: Lockheed Martin Energy Systems, Inc. (Oak Ridge, TN)
• Patent Number(s): US 5812729
• OSTI ID: 871861
• Country of Publication: United States
• Language: English

Related Subjects

numerical
aperture
light
transmitting
device
light-transmitting
scin
glass
core
novel
calcium
sodium
cladding
developed
index
refraction
radiation
hardness
similar
solubility
rare
earths
melt
viscosity
characteristics
materials
makes
attractive
applications
high-numerical-aperture
optical
fibers
specialty
lenses
60
length
drawn
simple
designed
ground
polished
preliminary
results
ability
directly
cast
components
lead-indium
phosphate
discussed
suitability
glasses
host
medium
rare-earth
lasers
amplifiers
numerical aperture
optical components
rare earths
optical fibers
optical fiber
rare earth
phosphate glass
light transmitting
cladding material
radiation hard
radiation hardness
cladding materials
transmitting device
optical component
viscosity characteristics
glass core
directly cast
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