Laser-Driven Light Source
First Claim
Patent Images
1. A light source, comprising:
- a chamber comprising a reflective surface;
an ignition source for ionizing a gas within the chamber;
a reflector that at least substantially reflects a first set of predefined wavelengths of electromagnetic energy directed toward the reflector and at least substantially allows a second set of predefined wavelengths of electromagnetic energy to pass through the reflector; and
at least one laser external to the chamber for providing electromagnetic energy to the ionized gas within the chamber to produce a plasma that generates a high brightness light.
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Abstract
An apparatus for producing light includes a chamber and an ignition source that ionizes a gas within the chamber. The apparatus also includes at least one laser that provides energy to the ionized gas within the chamber to produce a high brightness light. The laser can provide a substantially continuous amount of energy to the ionized gas to generate a substantially continuous high brightness light.
127 Citations
43 Claims
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1. A light source, comprising:
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a chamber comprising a reflective surface; an ignition source for ionizing a gas within the chamber; a reflector that at least substantially reflects a first set of predefined wavelengths of electromagnetic energy directed toward the reflector and at least substantially allows a second set of predefined wavelengths of electromagnetic energy to pass through the reflector; and at least one laser external to the chamber for providing electromagnetic energy to the ionized gas within the chamber to produce a plasma that generates a high brightness light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A light source, comprising:
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a chamber comprising a reflective surface; an ignition source for ionizing a gas within the chamber; at least one laser external to the chamber for providing electromagnetic energy to the ionized gas within the chamber to produce a plasma that generates a high brightness light; and a reflector positioned along a path that the electromagnetic energy travels from the at least one laser to the reflective surface of the chamber. - View Dependent Claims (18)
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19. A method for producing light, comprising:
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ionizing with an ignition source a gas within a chamber comprising a reflective surface; and providing laser energy to the ionized gas in the chamber to produce a plasma that generates a high brightness light. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
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28. A method for producing light, comprising:
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ionizing with an ignition source a gas within a chamber comprising a reflective surface; and directing electromagnetic energy from a laser toward a reflector that at least substantially reflects a first set of wavelengths of electromagnetic energy toward the ionized gas in the chamber to produce a plasma that generates a high brightness light. - View Dependent Claims (29, 30, 31, 32, 33)
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34. A light source, comprising:
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a chamber comprising a reflective surface; an ignition source for ionizing a gas within the chamber; a reflector that at least substantially reflects a first set of predefined wavelengths of electromagnetic energy directed toward the reflector and at least substantially allows a second set of predefined wavelengths of electromagnetic energy to pass through the reflector; and a means for providing electromagnetic energy to the ionized gas within the chamber to produce a plasma that generates a high brightness light.
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35. A light source, comprising:
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a sealed chamber; an ignition source for ionizing a gas within the chamber; at least one laser external to the sealed chamber for providing electromagnetic energy to the ionized gas within the chamber to produce a plasma that generates a high brightness light; and a curved reflective surface disposed external to the sealed chamber to receive at least a portion of the high brightness light emitted by the sealed chamber and reflect the high brightness light toward an output of the light source. - View Dependent Claims (36, 37, 38)
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39. A light source, comprising:
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a sealed chamber; an ignition source for ionizing a gas within the chamber; at least one laser external to the sealed chamber for providing electromagnetic energy; and a curved reflective surface to receive and reflect at least a portion of the electromagnetic energy toward the ionized gas within the chamber to produce a plasma that generates a high brightness light, the curved reflective surface also receives at least a portion of the high brightness light emitted by the plasma and reflects the high brightness light toward an output of the light source. - View Dependent Claims (40, 41, 42, 43)
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Specification