Flexible optical device
A flexible and optionally highly elastic waveguide capable of propagating and emitting light is disclosed. The flexible waveguide comprises a flexible material having a surface and an end, wherein a first portion of the light is emitted through at least a portion of the surface of the flexible waveguide, and a second portion of the light is emitted through the end. The flexible waveguide can be used, for example as an area illuminator for many applications. Additionally disclosed is a clothing device for providing illumination. The clothing device comprises clothing (or even optionally a sheet) and a light source for providing light. In one embodiment the clothing device comprises the flexible waveguide.
1. A waveguide device for guiding light, comprising:
a flexible waveguide material shaped as a sheet and having a surface and an end, the flexible waveguide material having therein a plurality of particles selected to allow emission of a portion of said light through at least a portion of said surface,
wherein said plurality of particles comprises at least one of: a plurality of nanoprisms and a plurality of nanobarcodes, and wherein said plurality of particles is sensitive to electromagnetic field such that a change in ambient electromagnetic field other than electromagnetic field constituted by said light results in a change in a color and/or intensity of the light emitted from said surface.
2. Device of claim 1 , wherein said waveguide material is elastic.
3. The device of claim 2 , wherein said waveguide material is characterized by an elasticity of at least 100%.
4. The device of claim 3 , wherein said waveguide material is characterized by tensile set value of less than about 5%.
5. The device of claim 1 , wherein said plurality of particles comprises a plurality of scatterers.
6. The device of claim 1 , wherein said plurality of particles is capable of producing different optical responses to different wavelengths of said light.
7. The device of claim 6 , wherein said different optical responses comprises different emission wavelengths.
8. The device of claim 1 , wherein said plurality of particles comprises fluorophore molecules.
9. The device of claim 1 , wherein said plurality of particles comprises a dielectric material.
10. The device of claim 1 , wherein said plurality of particles comprises a metallic material.
11. The device of claim 1 , wherein said flexible waveguide material comprises a dielectric material, and wherein a reflection coefficient of said dielectric material is selected so as to allow propagation of polarized light through the waveguide device and emission of said polarized light through said surface.
12. The device of claim 1 , wherein said flexible waveguide material comprises a metallic material, and wherein a reflection coefficient of said metallic material is selected so as to allow propagation of polarized light through the waveguide device and emission of said polarized light through said surface.
13. The device of claim 1 , wherein said plurality of particles comprises a plurality of discrete fluorochromes.
14. The device of claim 1 , wherein said waveguide material is designed and constructed to allow propagation of a portion of said light therein by total internal reflection.
15. The device of claim 1 , wherein said ambient electromagnetic field is other than any light.
16. The device of claim 1 , wherein said ambient electromagnetic field is in the visible range.
17. The device of claim 1 , wherein said ambient electromagnetic field is in the non-visible range.
18. The device of claim 1 , wherein said ambient electromagnetic field is in the infrared range.
19. The device of claim 1 , wherein said ambient electromagnetic field is in the ultraviolet range.
20. The device of claim 1 , wherein said plurality of particles comprises a plurality of chromogenes.
21. The device of claim 1 , wherein said plurality of particles comprises a plurality of discrete quantum dots.
22. The device of claim 1 , wherein said plurality of particles comprises a plurality of nanocrystals.
23. The device of claim 1 , wherein said waveguide material is a layered structure and wherein said particles are distributed in at least one layer of said layered structure.
24. The device of claim 1 , wherein said waveguide material comprises at least three layers and wherein said particles are distributed in an intermediate layer of said at least three layers.
25. The device of claim 1 , wherein said waveguide material is a layered structure and wherein said particles are distributed in an outer layer of said layered structure.