Light guide
First Claim
Patent Images
1. A medical laser applicator, comprising:
- a light guide comprising at least one photorefractive area comprising a volume hologram, the volume hologram being configured to decouple infrared light that has been coupled into the light guide, the decoupled infrared light having at least one of a predetermined angle and a predetermined focus,wherein the at least one photorefractive area is disposed at one end of the light guide and a remainder of the light guide is a non-photorefractive area,wherein the at least one photorefractive area comprises a material that is different from a material of the remainder of the light guide, andwherein the medical laser applicator is configured to treat biological tissue with laser radiation emitted from the light guide.
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Accused Products
Abstract
The invention relates to a light guide with at least one photorefractive area, wherein a volume hologram is formed in the photorefractive area in such a way that light coupled into the light guide can be decoupled by the volume hologram at a predetermined angle and/or with a predetermined focus.
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Citations
19 Claims
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1. A medical laser applicator, comprising:
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a light guide comprising at least one photorefractive area comprising a volume hologram, the volume hologram being configured to decouple infrared light that has been coupled into the light guide, the decoupled infrared light having at least one of a predetermined angle and a predetermined focus, wherein the at least one photorefractive area is disposed at one end of the light guide and a remainder of the light guide is a non-photorefractive area, wherein the at least one photorefractive area comprises a material that is different from a material of the remainder of the light guide, and wherein the medical laser applicator is configured to treat biological tissue with laser radiation emitted from the light guide. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for treating biological tissue with laser radiation, comprising the steps of:
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providing a medical laser applicator comprising a light guide having a photorefractive area, the photorefractive area comprising a volume hologram configured to decouple infrared light that has been coupled into the light guide, the decoupled infrared light having at least one of a predetermined angle and a predetermined focus, wherein the at least one photorefractive area is disposed at one end of the light guide and a remainder of the light guide is a non-photorefractive area, wherein the at least one photorefractive area comprises a material that is different from a material of the remainder of the light guide; and medically treating biological tissue by applying the decoupled infrared light from the light guide to the biological tissue. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification