A light concentrating apparatus is presented. Disclosed apparatuses include a collection of shaped reflectors capable of redirecting incident light, sunlight for example. The reflectors are configured to modify the spatial distribution of the redirected light in a manner where the distribution of li
A light concentrating apparatus is presented. Disclosed apparatuses include a collection of shaped reflectors capable of redirecting incident light, sunlight for example. The reflectors are configured to modify the spatial distribution of the redirected light in a manner where the distribution of light associated with a first dimension is modified differently than the distribution of light associated with a second, different dimension, via a relay of reflections. Contemplated apparatuses generate a substantially collimated output beam subsequent to the relay of reflections.
대표청구항▼
1. A light concentrating apparatus, comprising: a light collecting element configured to receive incident light and redirect the incident light as redirected light;a non-imaging optical assembly comprising a plurality of shaped reflectors and configured to receive the redirected light and serially m
1. A light concentrating apparatus, comprising: a light collecting element configured to receive incident light and redirect the incident light as redirected light;a non-imaging optical assembly comprising a plurality of shaped reflectors and configured to receive the redirected light and serially modify directional and spatial distributions of the redirected light through a relay of reflections to form an output beam;wherein the light concentrating apparatus is further configured such that a spatial distribution of the redirected light associated with a first dimension is modified differently than a spatial distribution associated with a second dimension; andwherein at least two of the plurality of shaped reflectors comprises surfaces that are defined substantially according to the formula: z=A+Bx+Cx2+Dy2+Exy2+Fx3 wherein coefficients A, B, C, D, E and F are different for each of the at least two shaped reflectors, where x represents a position measured substantially horizontally perpendicular to the building façade, z represents a position measured in a vertical direction, and coefficients A, B, C, D, E, and F are obtained by a deterministic numerical optimization technique to maximize a transmission of visible light into at least one of a predetermined spatial aperture and a predetermined angular range. 2. The apparatus of claim 1, wherein the relay of reflections forms a loop. 3. The apparatus of claim 1, wherein the housing comprises an interior cavity of a window frame. 4. The apparatus of claim 1, wherein the output beam comprises an output aspect ratio that is different from an input aspect ratio of the incident light. 5. The apparatus of claim 1, wherein the light collecting element is configured to receive incident sunlight as the incident light. 6. The apparatus of claim 1, wherein the output beam comprises a substantially collimated beam. 7. The apparatus of claim 1, wherein the light collecting element comprises at least two optical powers associated with at least the first dimension and the second, different dimension. 8. The apparatus of claim 1, wherein the plurality of reflectors comprises mirrors. 9. The apparatus of claim 1, wherein the light collecting element comprises an incident light reflector. 10. The apparatus of claim 9, wherein the incident light reflector comprises a non-planar mirror. 11. The apparatus of claim 1, wherein the light collecting element comprises a lens. 12. The apparatus of claim 1, further comprising a light guide optically coupled with the non-imaging optical assembly and configured to receive the output beam. 13. The apparatus of claim 1, further comprising a housing configured to contain the non-imaging optical assembly, wherein the housing comprises an interior cavity of a building wall.
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이 특허에 인용된 특허 (11)
Hubinois,Jean Charles; Lavoine,Vincent; Chollet,Herv��, Achromatic and absorption reducing light collecting system, particularly adapted to optical spectrometric analysis.
Sherman ; Jr. Benjamin F. (6329 Mori St. McLean VA 22101), Catoptric system for simultaneous concentration of light, laser, and other type paraxial rays into beams.
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