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Optical limiting materials

Patent ·
OSTI ID:871481
 [1];  [1];  [2];  [3];  [2];  [2];  [2];  [4];  [3];  [5]
  1. Santa Fe, NM
  2. Los Alamos, NM
  3. Santa Barbara, CA
  4. Goleta, CA
  5. Groningen, NL
+ Show Author Affiliations

Optical limiting materials. Methanofullerenes, fulleroids and/or other fullerenes chemically altered for enhanced solubility, in liquid solution, and in solid blends with transparent glass (SiO.sub.2) gels or polymers, or semiconducting (conjugated) polymers, are shown to be useful as optical limiters (optical surge protectors). The nonlinear absorption is tunable such that the energy transmitted through such blends saturates at high input energy per pulse over a wide range of wavelengths from 400-1100 nm by selecting the host material for its absorption wavelength and ability to transfer the absorbed energy into the optical limiting composition dissolved therein. This phenomenon should be generalizable to other compositions than substituted fullerenes.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM
DOE Contract Number:
W-7405-ENG-36
Assignee:
Regents of University of California (Los Alamos, MN)
Patent Number(s):
US 5741442
OSTI ID:
871481
Country of Publication:
United States
Language:
English

References (1)

Enhanced nonlinear absorption and optical limiting in semiconducting polymer/methanofullerene charge transfer films journal December 1995

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Related Subjects

/252/359/
400-1100
ability
absorbed
absorption
absorption wavelength
altered
blends
chemically
composition
compositions
conjugated
dissolved
dissolved therein
energy
energy transmitted
enhanced
fullerenes
fulleroids
gels
generalizable
glass
host
host material
input
input energy
limiters
limiting
limiting materials
liquid
liquid solution
material
materials
methanofullerenes
nm
nonlinear
optical
optical limiting
parent glass
phenomenon
polymers
protectors
pulse
range
saturates
selecting
semiconducting
shown
sio
solid
solubility
solution
substituted
surge
therein
transfer
transmitted
transparent
transparent glass
tunable
useful
wavelength
wavelengths
wide
wide range