초록 ▼

The invention is directed to an optical device comprising refractive optical structures, wherein the refractive structures are characterized by a change in refractive index, exhibit little or no scattering loss, and exhibit no significant differences in the Raman spectrum with respect to the non-irr

The invention is directed to an optical device comprising refractive optical structures, wherein the refractive structures are characterized by a change in refractive index, exhibit little or no scattering loss, and exhibit no significant differences in the Raman spectrum with respect to the non-irradiated optical, polymeric material.

대표청구항 ▼

1. An optical device comprising an optical polymeric material with select regions that have been irradiated with a focused, visible or near-IR laser having a pulse energy from 0.05 nJ to 1000 nJ, wherein the irradiated regions are characterized by a positive change in refractive index, exhibit littl

1. An optical device comprising an optical polymeric material with select regions that have been irradiated with a focused, visible or near-IR laser having a pulse energy from 0.05 nJ to 1000 nJ, wherein the irradiated regions are characterized by a positive change in refractive index, exhibit little or no scattering loss, and exhibit no significant differences in the Raman spectrum with respect to the non-irradiated optical, polymeric material, wherein the optical polymeric material is a hydrogel. 2. The optical device of claim 1 wherein the irradiated regions of the optical material are defined by a three dimensional structure. 3. The optical device of claim 1 selected from an intraocular lens, a corneal inlay, a corneal ring or a keratoprothesis. 4. The optical device of claim 1 wherein the optical polymeric material is prepared from (meth)acrylate monomer selected from the group consisting of 2-hydroxymethyl(meth)acrylate, 2-phenylethyl(meth)acrylate, methyl(meth)acrylate and 3-phenylpropyl(meth)acrylate. 5. The optical device of claim 1 wherein the pulse energy of the laser is from 0.2 nJ to 100 nJ. 6. The optical device of claim 1 wherein the pulse energy of the laser is from 0.5 nJ to 10 nJ. 7. The optical device of claim 1 wherein the visible or near-IR laser generates pulses having a pulse width of 4 fs to 100 fs. 8. The optical device of claim 1 is an intraocular lens that has been positioned in the lens capsule of a patient. 9. The optical device of claim 1 wherein the optical, polymeric hydrogel is a copolymer that is prepared from a first monomeric component present in the copolymer in an amount of at least 70% by weight, and its homopolymer will have a refractive index of at least 1.50; a second monomeric component present in the copolymer in an amount from 3% to 20% by weight, and its homopolymer will have a glass transition temperature of less than about 300° C., wherein the first and second monomeric components together represent at least 80% by weight of the copolymer; and a crosslinking monomeric component. 10. The optical device of claim 9 wherein the copolymer is prepared in the presence of a fourth monomeric component, which is a hydrophilic component. 11. The optical device of claim 1 wherein the copolymer is prepared from a monomer having the formula: wherein: R is H or CH3; m is 0-10;Y is nothing, 0, S, or NR wherein R is H, CH3, CnH2n+1 (n=1-10), iso OC3H7, phenyl or benzyl;Ar is any aromatic ring, such as benzene, which can be unsubstituted or substituted with H, CH3, C2H5, n-C3H7, iso-C3H7, OCH3, C6H11, Cl, Br, phenyl or benzyl; anda cross-linking monomer having a plurality of polymerizable ethylenically unsaturated groups, wherein the resulting optical, polymeric material will have a glass transition temperature not greater than 37° C. and an elongation of at least 150%. 12. The optical device of claim 1 wherein the copolymer is prepared from about 80 wt % HEMA and about 20 wt % MMA with a water content of about 26%. 13. An optical device comprising an optical polymeric hydrogel material with select regions that have been irradiated with a focused, visible or near-IR laser having a pulse energy from 0.05 nJ to 100 nJ, wherein the irradiated regions are characterized by a positive change in refractive index, exhibit little or no scattering loss, and exhibit no significant differences in the Raman spectrum with respect to the non-irradiated optical, polymeric material, said optical, polymeric hydrogel is a copolymer that is prepared from a first monomeric component present in the copolymer in an amount of at least 70% by weight, and its homopolymer will have a refractive index of at least 1.50; a second monomeric component present in the copolymer in an amount from 3% to 20% by weight, and its homopolymer will have a glass transition temperature of less than about 300° C., wherein the first and second monomeric components together represent at least 80% by weight of the copolymer; and a crosslinking monomeric component. 14. The optical device of claim 13 wherein the copolymer is prepared in the presence of a fourth monomeric component, which is a hydrophilic component. 15. The optical device of claim 13 wherein the first monomeric components is selected from the group consisting of 2-phenylethyl(meth)acrylate and 3-phenylpropyl(meth)acrylate.