1. A polymer film laser comprising a plurality of extruded polymer layers comprising a plurality of alternating dielectric layers of a first polymer material having a first refractive index and a second polymer material having second refractive index different than the first refractive index.
2. The laser of claim 1, the plurality of alternating dielectric layers form a first distributed Bragg reflector stack and a second distributed Bragg reflector stack.
3. The laser of claim 2, the plurality of extruded polymer layers comprising at least one extruded polymer gain medium layer sandwiched between the first distributed Bragg reflector stack and the second distributed Bragg reflector stack.
4. The laser of claim 1, the plurality of alternating dielectric layers of at least one of the first polymer material and the second polymer material being gain medium layers.
5. The laser of claim 4, the plurality of alternating dielectric layers including a defect, such that emission of the gain medium layers occurs at the defect wavelength.
6. The laser of claim 1, the plurality of polymer layers being coextruded to form a free-standing film.
7. The laser of claim 1, being laminated on an electrically energized light pump.
8. An array of a plurality of lasers of claim 1, being laminated on a plurality of electrically energized light pumps.
9. The laser of claim 1, one or more of the plurality of alternating dielectric layers including multiple emissive moieties for multiple color outputs.
10. An array of a plurality of lasers of claim 1, being stacked on one another to produce multiple color outputs.
11. An array of polymer film lasers, each comprising a plurality of co-extruded polymer layers that form a free-standing film comprising a plurality of alternating dielectric layers of a first polymer material having a first refractive index and a second polymer material having second refractive index different than the first refractive index, at least one of the plurality of co-extruded polymer layers comprising one or more gain medium layers.
12. The array of polymer film lasers of claim 11, the plurality of alternating dielectric layers form a first distributed Bragg reflector stack and a second distributed Bragg reflector stack and the one or more gain medium layers are sandwiched between the first distributed Bragg reflector stack and the second distributed Bragg reflector stack.
13. The array of polymer film lasers of claim 11, being stacked on one another to produce multiple color outputs.
14. The array of polymer film lasers of claim 11, one or more of the plurality of alternating dielectric layers including multiple emissive moieties for multiple color outputs.
15. The array of polymer film lasers of claim 14, the multiple emissive moieties for multiple color outputs provide energy transfer and other interactions for providing up and down conversion andor multiple color outputs.
16. The array of polymer film lasers of claim 11, being laminated on a plurality of electrically energized light pumps.
17. A method of forming a polymer laser, the method comprising:
coextruding layers of a first polymer material having a first refractive index and a second polymer material having second refractive index different than the first refractive index to form a plurality of alternating dielectric layers; and
multiplying the plurality of alternating dielectric layers to form at least one alternating dielectric layer stack.
18. The method of claim 17, the multiplying the plurality of alternating dielectric layers to form at least one alternating dielectric layer stack comprising forming a first distributed Bragg reflector stack and a second distributed Bragg reflector stack and further comprising extruding one or more gain medium layers sandwiched between the first distributed Bragg reflector stack and the second distributed Bragg reflector stack.
19. The method of claim 17, at least one the plurality of alternating dielectric layers of one of the first polymer material and the second polymer material being gain medium layers.
20. The method of claim 17, further comprising laminating the at least one alternating dielectric layer stack on an electrically energized light pump.
21. The method of claim 20, further comprising laminating a plurality of dielectric layer stacks on a plurality of electrically energized light pumps.
22. The method of claim 17, further comprising stacking a plurality of dielectric layer stacks to produce multiple color outputs.
23. The method of claim 17, further comprising providing one or more of the plurality of alternating dielectric layers with multiple emissive moieties for multiple color outputs.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A composition comprising mineral spirits and
(a) diisopropylbenzene or
(b) at least one alcohol, wherein the at least one alcohol is selected from tetrahydrofurfuryl alcohol, 2-ethoxyethanol, benzyl alcohol, terpineol, cyclohexanol, methyl cyclohexanol, hexyl alcohol, heptyl alcohol, dipropylene glycol methyl ether, 2-butoxyethanol, and 2-(2-butoxyethoxy) ethanol, or a mixture thereof.
2. The composition of claim 1, wherein the mineral spirits are odorless.
3. The composition of claim 1, wherein the mineral spirits have an aromatic content of less than 10 wt %.
4. The composition of claim 1, wherein the diisopropylbenzene and the at least one alcohol are both present in the composition.
5. The composition of claim 1, wherein the at least one alcohol is benzyl alcohol.
6. The composition of claim 1, wherein the at least one alcohol is present in an amount of about 20 wt %.
7. The composition of claim 1, further comprising dihydromercynol.
8. The composition of claim 1, further comprising pine oil.
9. The composition of claim 1, wherein the mineral spirits have an aromatic content of less than 1 wt %.
10. The composition of claim 1, wherein the mineral spirits are present in an amount of about 49 wt %.
11. The composition of claim 1, wherein the diisopropylbenzene is present in an amount of about 28 wt %.
12. A method for making a flexographic printing plate, wherein the method comprises the steps of:
(a) image-wise exposing a photosensitive resin on a substrate;
(b) washing away unexposed non-crosslinked areas of the photosensitive resin with a solvent solution so as to form a relief pattern of the photosensitive resin on the substrate, wherein the solvent solution comprises mineral spirits and
(i) diisopropylbenzene or
(ii) at least one alcohol, wherein the at least one alcohol is selected from tetrahydrofurfuryl alcohol, 2-ethoxyethanol, benzyl alcohol, terpineol, cyclohexanol, methyl cyclohexanol, hexyl alcohol, heptyl alcohol, dipropylene glycol methyl ether, 2-butoxyethanol, and 2-(2-butoxyethoxy) ethanol, or a mixture thereof; and
(c) drying the substrate,
thereby making the flexographic printing plate.
13. The method of claim 12, wherein the mineral spirits are odorless.
14. The method of claim 12, wherein the diisopropylbenzene and the at least one alcohol are both present in the solvent solution.
15. The method of claim 12, wherein the at least one alcohol is benzyl alcohol.
16. The method of claim 12, further comprising reclaiming the solvent solution.
17. A method for reclaiming a solvent solution, the method comprising:
(a) collecting the solvent solution and at least one non-crosslinked portion of a photosensitive resin, wherein the solvent solution comprises mineral spirits and
(i) diisopropylbenzene or
(ii) at least one alcohol, wherein the at least one alcohol is selected from tetrahydrofurfuryl alcohol, 2-ethoxyethanol, benzyl alcohol, terpineol, cyclohexanol, methyl cyclohexanol, hexyl alcohol, heptyl alcohol, dipropylene glycol methyl ether, 2-butoxyethanol, and 2-(2-butoxyethoxy) ethanol, or a mixture thereof, and
wherein the solvent solution has been used to treat the photosensitive resin; and
(b) separating the non-crosslinked portion from the solvent solution,
thereby reclaiming the solvent solution.
18. The method of claim 17, wherein the mineral spirits are odorless.
19. The method of claim 17, wherein the diisopropylbenzene and the at least one alcohol are both present in the solvent solution.
20. The method of claim 17, wherein the at least one alcohol is benzyl alcohol.