Efficient and uniform color-light integration device
An exemplary illumination source is provided. The illumination source includes a light integrating device for coupling to at least one optical structure at an output port. The light integrating device includes at least one input port. At least one light source produces at least one optical illumination coupled to the at least one input port. A light adjusting tool controls the optical illumination emitted by the light integrating device. The light adjusting tool controls uniformity of light emitted by the light integrating device by modifying at least one internal surface of the light integrating device.
1. An illumination source comprising:
a light integrating device for coupling to at least one optical structure at an output port, where the light integrating device includes at least one input port;
at least one light source for producing at least one optical illumination coupled to the at least one input port; and
a light adjusting tool for controlling the optical illumination emitted by the light integrating device, wherein the light adjusting tool controls uniformity of light emitted by the light integrating device by modifying at least one internal surface of the light integrating device, and wherein the light integrating device comprises a conical internal shape with an apex at the output port coupling to the at least one optical structure.
2. The illumination source of claim 1 , wherein the at least one input port and the output port are positioned not to face each other on the at least one internal surface of the light integrating device.
3. The illumination source of claim 1 , wherein the apex comprises an angle optimized to maximize light coupled to the at least one optical structure at the output port.
4. The illumination source of claim 1 , wherein the at least one light source comprises a light emitting diode (LED) at the at least one input port.
5. The illumination source of claim 1 , wherein the at least one light source comprises a plurality of LEDs at the at least one input port.
6. The illumination source of claim 1 , wherein the light source comprises at least one laser at the at least one input port.
7. The illumination source of claim 6 , the at least one laser is mechanically vibrated.
8. The illumination source of claim 1 , wherein the at least one light source comprises at least one fiber-coupled laser delivering the at least one optical illumination into the light integrating device through a fiber.
9. The illumination source of claim 8 , wherein the fiber is mechanically vibrated.
10. The illumination source of claim 1 , wherein the light adjusting tool comprises a manual adjustment knob positioned at a distal end of the light adjusting tool for modifying the internal surface.
11. The illumination source of claim 1 , wherein the internal surface of the light integrating device comprises diffused reflecting material.
12. The illumination source of claim 1 , wherein the light integrating device comprises polytetrafluoroethylene (PTFE).
13. A method for producing illumination, the method comprising:
providing a light integrating device for coupling to at least one optical structure at an output port, where the light integrating device includes at least one input port;
producing, using at least one light source, at least one optical illumination, the at least one light source coupled to the at least one input port; and
controlling, using a light adjusting tool, the optical illumination emitted by the light integrating device, wherein the light adjusting tool controls uniformity of light emitted by the light integrating device by modifying at least one internal surface of the light integrating device, and wherein the light integrating device comprises a conical internal shape with an apex at the output port coupling to the at least one optical structure.
14. The method of claim 13 , wherein the apex comprises an angle optimized to maximize light coupled to the at least one optical structure at the output port.