Patents by Inventor Dirk Apitz
Dirk Apitz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11381052Abstract: A laser device is provided that includes an element made of laser-active material and a cladding element bonded to the element so as to allow heat exchange by heat conduction between the cladding element and the element. The laser-active material emitting laser light when excited by pump light. The element being made of a glass. The cladding element being made of a material that exhibits an absorption coefficient for the pump light that is lower than a corresponding absorption coefficient of the glass. The element and cladding element being configured so that the pump light can be directed through the cladding element into the element and/or so that the pump light can be directed through the element into the cladding element.Type: GrantFiled: November 27, 2019Date of Patent: July 5, 2022Assignee: SCHOTT AGInventor: Dirk Apitz
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Patent number: 11365147Abstract: An optical component with improved degradation resistance is provided. The optical component includes an optical material and a coating. The optical material has a native surface that is susceptible to degradation processes. The coating is a layer of an inorganic material and is applied so as to be substantially contiguous so that there are no continuous paths between fluid surrounding the optical component and the optical material.Type: GrantFiled: April 27, 2018Date of Patent: June 21, 2022Assignee: SCHOTT AGInventor: Dirk Apitz
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Patent number: 11079514Abstract: An optical element is provided that includes a substrate that is transparent in the visible spectral region and a multilayer anti-reflection coating on the substrate. The coating has alternating layers of layers having a first refractive index and of layers having a second, higher refractive index. The layers having the higher refractive index contain nitride or oxynitride and the layers having the first refractive index contain oxide of silicon and of at least one other element. The molar fraction of silicon in the layers having the first refractive index is predominant when compared to the molar fraction(s) of the other element or elements. The uppermost layer of the coating is a layer having the first refractive index. A layer of chain-form organofluoro molecules is disposed on the coating, wherein the molecules are bonded at the ends to the surface of the optical element.Type: GrantFiled: December 6, 2018Date of Patent: August 3, 2021Assignee: SCHOTT AGInventors: Dirk Apitz, Marten Walther, Christian Henn
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Publication number: 20210028605Abstract: The present disclosure relates to a glass having a refractive index of at least 1.7 as well as the use of the glass as a cladding glass of a solid-state laser. The disclosure also relates to a laser component comprising a core of doped sapphire and a cladding glass being placed on said core. The cladding glass is arranged on said core such that light exiting from the core due to parasitic laser activity can enter the cladding glass and can be absorbed there. Thus, a laser component with improved efficiency is obtained. The present disclosure also relates to a method for producing the laser component.Type: ApplicationFiled: April 9, 2020Publication date: January 28, 2021Inventors: Antoine Carré, Alain Danielou, Stefanie Hansen, Dirk Apitz
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Publication number: 20200244030Abstract: A laser device is provided that includes an element made of laser-active material and a cladding element bonded to the element so as to allow heat exchange by heat conduction between the cladding element and the element. The laser-active material emitting laser light when excited by pump light. The element being made of a glass. The cladding element being made of a material that exhibits an absorption coefficient for the pump light that is lower than a corresponding absorption coefficient of the glass. The element and cladding element being configured so that the pump light can be directed through the cladding element into the element and/or so that the pump light can be directed through the element into the cladding element.Type: ApplicationFiled: November 27, 2019Publication date: July 30, 2020Applicant: SCHOTT AGInventor: Dirk Apitz
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Publication number: 20190341735Abstract: A laser medium, for generating laser light, that includes a light exit surface through which the laser light exits from the laser medium during laser operation. The light exit surface has a boundary which is defined by at least one chamfer or groove.Type: ApplicationFiled: July 17, 2019Publication date: November 7, 2019Applicant: Schott AGInventor: Dirk Apitz
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Publication number: 20190330054Abstract: An optical element includes an optically transparent substrate of alkali containing glass and a coating on a surface, the coating enabling anodic bonding of the alkali containing glass within an area of the surface that is covered with the coating and with the anodic bond forming at the outer surface of the coating.Type: ApplicationFiled: April 25, 2019Publication date: October 31, 2019Applicant: Schott AGInventors: Marcelo David Ackermann, Michael Gunnar Garnier, Dirk Apitz, Ulf Georg Brauneck
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Patent number: 10389079Abstract: The present invention relates to a glass having a refractive index of at least 1.7 as well as the use of the glass as a cladding glass of a solid-state laser. The invention also relates to a laser component comprising a core of doped sapphire and a cladding glass being placed on said core. The cladding glass is arranged on said core such that light exiting from the core due to parasitic laser activity can enter the cladding glass and can be absorbed there. The present invention also relates to a method for producing the laser component.Type: GrantFiled: September 28, 2017Date of Patent: August 20, 2019Assignee: SCHOTT AGInventors: Antoine Carré, Alain Danielou, Stefanie Hansen, Dirk Apitz
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Publication number: 20190113657Abstract: An optical element is provided that includes a substrate that is transparent in the visible spectral region and a multilayer anti-reflection coating on the substrate. The coating has alternating layers of layers having a first refractive index and of layers having a second, higher refractive index. The layers having the higher refractive index contain nitride or oxynitride and the layers having the first refractive index contain oxide of silicon and of at least one other element. The molar fraction of silicon in the layers having the first refractive index is predominant when compared to the molar fraction(s) of the other element or elements. The uppermost layer of the coating is a layer having the first refractive index. A layer of chain-form organofluoro molecules is disposed on the coating, wherein the molecules are bonded at the ends to the surface of the optical element.Type: ApplicationFiled: December 6, 2018Publication date: April 18, 2019Applicant: SCHOTT AGInventors: Dirk Apitz, Marten Walther, Christian Henn
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Patent number: 10209415Abstract: A dielectric mirror is provided that, on the one hand exhibits a high destruction threshold when being irradiated with ultrashort high-power laser pulses, and on the other hand has a large bandwidth of group delay dispersion. The dielectric mirror includes a layer stack with a sequence of layers having different refractive indices, which act as a reflecting interference filter, wherein the layers are formed of at least three different materials exhibiting different destruction thresholds.Type: GrantFiled: September 10, 2015Date of Patent: February 19, 2019Assignee: SCHOTT AGInventor: Dirk Apitz
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Publication number: 20180312426Abstract: An optical component with improved degradation resistance is provided. The optical component includes an optical material and a coating. The optical material has a native surface that is susceptible to degradation processes. The coating is a layer of an inorganic material and is applied so as to be substantially contiguous so that there are no continuous paths between fluid surrounding the optical component and the optical material.Type: ApplicationFiled: April 27, 2018Publication date: November 1, 2018Applicant: SCHOTT AGInventor: Dirk Apitz
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Publication number: 20180267218Abstract: Optical filters and methods of producing are provided. The method includes: providing a plurality of optical elements each with a substrate having two opposing major surfaces; providing a spacer or a surface-covering adhesive layer for holding the optical elements at a predefined distance; assembling the optical elements such that the optical elements are arranged adjacent to each other to define the optical filter, the optical elements having adjacent elements that are held at a predefined distance and with a cavity in between by the spacer or surface covering adhesive layer; determining an examination property regarding optical properties; and using the examination property for the step of assembling the optical elements and/or for performing a refinement step on the optical elements.Type: ApplicationFiled: March 16, 2018Publication date: September 20, 2018Applicant: SCHOTT AGInventors: Ulf Georg Brauneck, Dirk Apitz
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Publication number: 20180090904Abstract: The present invention relates to a glass having a refractive index of at least 1.7 as well as the use of the glass as a cladding glass of a solid-state laser. The invention also relates to a laser component comprising a core of doped sapphire and a cladding glass being placed on said core. The cladding glass is arranged on said core such that light exiting from the core due to parasitic laser activity can enter the cladding glass and can be absorbed there. The present invention also relates to a method for producing the laser component.Type: ApplicationFiled: September 28, 2017Publication date: March 29, 2018Inventors: Antoine Carré, Alain Danielou, Stefanie Hansen, Dirk Apitz
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Publication number: 20170183257Abstract: The invention relates to a method for producing a coated, chemically prestressed glass substrate having anti-fingerprint properties. The method includes: applying at least one functional layer to a glass substrate; chemically prestressing the coated glass substrate by an ion exchange, where existing smaller alkali metal ions are exchanged for larger alkali metal ions, and are enriched in the glass substrate and the at least one functional layer; activating the surface of the at least one functional layer, where if more than one functional layer is present the surface of the outermost or uppermost layer is activated, the activating including one of several alternatives; and applying an amphiphobic coating to the at least one functional layer of the glass substrate, where, as a result of the activation process, the functional layer interacts with the amphiphobic coating.Type: ApplicationFiled: March 10, 2017Publication date: June 29, 2017Applicant: Schott AGInventors: Dirk Apitz, Marta Krzyzak, Marten Walther, Jochen Alkemper
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Publication number: 20170183255Abstract: A coated chemically strengthened flexible thin glass includes a coating of an adhesive layer in the form of a silicon mixed oxide layer, which contains or consists of a silicon oxide layer in combination with at least one oxide of aluminum, tin, magnesium, phosphorus, cerium, zirconium, titanium, cesium, barium, strontium, niobium, zinc, or boron, and magnesium fluoride, such as at least aluminum oxide.Type: ApplicationFiled: March 10, 2017Publication date: June 29, 2017Applicant: Schott AGInventors: Marten Walther, Marta Krzyzak, Dirk Apitz, Jochen Alkemper
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Publication number: 20170015584Abstract: A thin glass sheet includes a first and a second surface side, wherein the thin glass sheet is asymmetrically structured in that the two surface sides differ from one another, wherein both surface sides are chemically strengthened and wherein respectively a depth of layer exists of the alkali ions that are introduced through chemical strengthening, whereby the depth of layer of the first surface side (DoL1) and the depth of layer of the second surface side (DoL2) are coordinated with each other in such a way that they are equal or are adapted on both surface sides, and that on both surface sides respectively a coating consisting of one or several layers is provided, wherein the coating on the first surface side differs from the coating on the second surface side in at least one property or characteristic.Type: ApplicationFiled: July 13, 2016Publication date: January 19, 2017Applicant: Schott AGInventors: Marta Krzyzak, Dirk Apitz, Matthias Brueckner, Thomas Joerdens, Marten Walther
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Publication number: 20160313603Abstract: An indicator or display unit device is provided that includes a first panel element, a second panel element, and an IR-reflecting coating and a filler material between the first and second panel elements. The panel elements, the IR-reflecting coating, and the filler material form a composite. An antireflection coating in the visible wavelength region is on an outer side of the first panel element or the outer side of the first and second panel elements. The filler material includes a first laminating film, a second laminating film, and an additional film. The IR-reflecting coating is on the additional film. The device has an IR solar reflectance that lies in the range of 45% to 95% in the wavelength region of 780 nm to 3000 nm and a reflectance Rvis that is less than or equal to 4% in the visible wavelength region of 400 nm to 780 nm.Type: ApplicationFiled: February 11, 2016Publication date: October 27, 2016Applicant: SCHOTT AGInventors: Marten WALTHER, Dirk APITZ
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Publication number: 20160070041Abstract: A dielectric mirror is provided that, on the one hand exhibits a high destruction threshold when being irradiated with ultrashort high-power laser pulses, and on the other hand has a large bandwidth of group delay dispersion. The dielectric mirror includes a layer stack with a sequence of layers having different refractive indices, which act as a reflecting interference filter, wherein the layers are formed of at least three different materials exhibiting different destruction thresholds.Type: ApplicationFiled: September 10, 2015Publication date: March 10, 2016Inventor: Dirk Apitz
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Publication number: 20150355380Abstract: An optical element is provided that includes a substrate that is transparent in the visible spectral region and a multilayer anti-reflection coating on the substrate. The coating has alternating layers of layers having a first refractive index and of layers having a second, higher refractive index. The layers having the higher refractive index contain nitride or oxynitride and the layers having the first refractive index contain oxide of silicon and of at least one other element. The molar fraction of silicon in the layers having the first refractive index is predominant when compared to the molar fraction(s) of the other element or elements. The uppermost layer of the coating is a layer having the first refractive index. A layer of chain-form organofluoro molecules is disposed on the coating, wherein the molecules are bonded at the ends to the surface of the optical element.Type: ApplicationFiled: June 5, 2015Publication date: December 10, 2015Inventors: Dirk Apitz, Marten Walther, Christian Henn