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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Shirk; James S
Address:
Alexandria, VA
No. of patents:
12
Patents:












Patent Number Title Of Patent Date Issued
8003713 Fabricating polymers for optical devices August 23, 2011
High concentrations of dye may be prepared in combination with thermoplastic polymers and used in optical polymers as monomeric and dimeric molecular solutions. The method of preparing high concentration levels allows the control over the aggregation of dye molecules that is required
7550586 Phthalocyanines with peripheral siloxane substitution June 23, 2009
The present invention is phthalocyanine compounds with peripheral siloxane substitution, as well as methods for making these compounds and various uses thereof, having the basic structure: ##STR00001## wherein --W--X--Y--Z are peripheral groups comprising individual W, X, Y, and Z s
7255914 Variable refractive index polymer materials August 14, 2007
A new class of composite polymer films where the refractive index can be varied by simple compressive or extensive forces. The films are comprised of alternating layers of an elastomer and a glassy polymer or two different elastomers. When the layer spacing is much less than the wave
7002754 Multilayer polymer gradient index (GRIN) lenses February 21, 2006
Disclosed are axial, radial or spherical gradient index (GRIN) lenses fabricated by layering composite polymer films into an hierarchical structure.
6994885 Optical filter comprising solar blind dyes and UV-transparent substrates February 7, 2006
The invention provides an optical filter comprising: a. an organic, solar blind filter dye; and b. a UV-transparent, non-scattering and chemically stable substrate. The substrate may be a UV-transparent nanoporous silica glass solid having pores that are substantially filled with
6933402 Phthalocyanines with peripheral siloxane substitution August 23, 2005
The present invention is phthalocyanine compounds with peripheral siloxane substitution, as well as methods for making these compounds and various uses thereof, having the basic structure: ##STR1##wherein --W--X--Y-Z are peripheral groups comprising individual W, X, Y, and Z subgr
6858289 Optical filters comprising solar blind dyes and UV-transparent substrates February 22, 2005
The invention provides an optical filter comprising: a. an organic, solar blind filter dye; and b. a UV-transparent, non-scattering and chemically stable substrate.The substrate may be a UV-transparent nanoporous silica glass solid having pores that are substantially filled with a UV-trans
6696142 Polymer 1D photonic crystals February 24, 2004
A multilayer nonlinear dielectric optical structure is formed by coextruding at least two polymeric materials, components (a) and (b), using a multiplying element; the structure contains a plurality of alternating layers (A) and (B) represented by formula (AB).sub.x, where x=2.sup.n,
6582807 Polymer 1D photonic crystals June 24, 2003
A multilayer nonlinear dielectric optical structure is formed by coextruding at least two polymeric materials, components (a) and (b), using a multiplying element; the structure contains a plurality of alternating layers (A) and (B) represented by formula (AB).sub.x, where x=2.sup.n,
6498249 Phthalocyanines with peripheral siloxane substitution December 24, 2002
The present invention is phthalocyanine compounds with peripheral siloxane substitution, as well as methods for making these compounds and various uses thereof, having the basic structure: ##STR1##wherein --W--X--Y--Z are peripheral groups comprising individual W, X, Y, and Z subg
5805326 Optical limiter structure and method September 8, 1998
An optical limiter structure which includes a limiter material preferably dissolved in a host. The limiter material is selected from substituted and unsubstituted phthalocyanines, naphthalocyanines, porphyrins, salts of these materials and mixtures thereof, whereas the host is selected f
5202786 Optical switching devices April 13, 1993
An optical switching device employs a rare earth bis-phthalocyanine having good third-order nonlinear susceptibilities. In a preferred optical switch, the rare earth bis-phthalocyanine is employed as a nonlinear optical material body that fills the space between two partially reflect










 
 
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