Laser-operated light source
First Claim
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1. A light source, comprising:
- a chamber configured to accommodate an ionizable gas;
an ignition source configured to ionize the gas in order to generate a plasma;
a laser configured to input laser energy into the plasma such that, under impact of the laser energy, the plasma emits light that forms an output signal of the light source;
a fiber optical configured to couple the light into a plurality of optical fibers; and
a first mode scrambler and a second mode scrambler corresponding to at least one optical fiber of the plurality of optical fibers,wherein the plurality of optical fibers comprises;
first and second optical fibers corresponding to the first and second mode scramblers anda third optical fiber;
in optical communication with the first optical fiber and the second optical fiber,comprising a larger diameter than a diameter of both of the first optical fiber and the second optical fiber; and
connected upstream of the first optical fiber and the second optical fiber,the first, second, and third optical fibers, the first mode scrambler, and the second mode scrambler apply a surface homogeneity and an angle homogeneity to the light.
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Abstract
A laser-operated light source encompasses a chamber for accommodating an ionizable gas and an ignition source for ionizing the gas in the chamber for generating a plasma. The light source furthermore encompasses a laser for inputting laser energy into the plasma such that, under the impact of the laser radiation, the plasma emits useful light, which forms the output signal of the light source, wherein provision is made for means for coupling the useful light into a transferring optical fiber. In the case of the light source according to the invention, at least one mode scrambler is assigned to the optical fiber or the optical fibers.
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Citations
10 Claims
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1. A light source, comprising:
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a chamber configured to accommodate an ionizable gas; an ignition source configured to ionize the gas in order to generate a plasma; a laser configured to input laser energy into the plasma such that, under impact of the laser energy, the plasma emits light that forms an output signal of the light source; a fiber optical configured to couple the light into a plurality of optical fibers; and a first mode scrambler and a second mode scrambler corresponding to at least one optical fiber of the plurality of optical fibers, wherein the plurality of optical fibers comprises; first and second optical fibers corresponding to the first and second mode scramblers and a third optical fiber; in optical communication with the first optical fiber and the second optical fiber, comprising a larger diameter than a diameter of both of the first optical fiber and the second optical fiber; and connected upstream of the first optical fiber and the second optical fiber, the first, second, and third optical fibers, the first mode scrambler, and the second mode scrambler apply a surface homogeneity and an angle homogeneity to the light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method comprising:
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igniting an ionizable gas inside a chamber with an ignition source to generate a plasma; inputting laser energy to the plasma such that, under the impact of the laser energy, the plasma emits light that forms an output signal of a light source; passing the light into a plurality of optical fibers; and passing one or more of the plurality of optical fibers through a first mode scrambler and a second mode scrambler, wherein the plurality of optical fibers further comprises; a first optical fiber and a second optical fiber to which the first mode scrambler and the second mode scrambler are assigned, and a third optical fiber; in optical communication with the first optical fiber and the second optical fiber, comprising a larger diameter than a diameter of the first optical fiber and a diameter of the second optical fiber, and connected upstream of the first optical fiber and the second optical fiber, the first, second, and third optical fibers, the first mode scrambler, and the second mode scrambler apply a surface homogeneity and an angle homogeneity to the light.
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Specification