# US 10,504,714 B2 · Dual parabolic laser driven sealed beam lamp > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,504,714 B2 - Document ID: US10504714B2 - Status: Granted - Kind: B2 - Application number: 16/210,444 - Filed: 2018-12-05 - Published: 2019-04-11 - Granted: 2019-12-10 - Earliest claimed: 2014-05-15 - Assignees: Excelitas Technologies Corp. - Applicants: Excelitas Technologies Corp. - Inventors: Rudi Blondia - Web page: https://patentgrep.com/patent/US10504714B2 ## CPC - H01J 61/025: {Associated optical elements} - H01J 61/16: having helium, argon, neon, krypton, or xenon as the principle constituent - H01J 61/24: Means for obtaining or maintaining the desired pressure within the vessel - H01J 61/30: Vessels; Containers - H01J 61/33: Special shape of cross-section, e.g. for producing cool spot - H01J 61/35: provided with coatings on the walls thereof; Selection of materials for the coatings (using coloured coatings H01J61/40; using luminescent coatings H01J61/42) - H01J 61/54: Igniting arrangements, e.g. promoting ionisation for starting - H01J 65/04: Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating {plasma display panels} - H01J 65/042: {by an external electromagnetic field} - H01J: ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps H01T; electric arc lamps H05B31/00; particle accelerators H05H) ## Abstract The invention is directed to a sealed high intensity illumination device configured to receive a laser beam from a laser light source. A sealed chamber is configured to contain an ionizable medium. The chamber includes a reflective chamber interior surface having a first parabolic contour and parabolic focal region, a second parabolic contour and parabolic focal region, an ingress surface configured to admit the laser beam into the chamber, and an egress surface configured to emit high intensity light from the chamber. The first parabolic contour is configured to reflect light from the first parabolic focal region to the second parabolic contour, and the second parabolic contour is configured to reflect light from the first parabolic contour to the second parabolic focal region. ## Claims ### Claim 1 A sealed high intensity illumination device configured to receive a laser beam from a laser light source comprising: a sealed chamber configured to contain an ionizable medium, the chamber further comprising: a reflective chamber interior surface further comprising: a first substantially parabolic contour having a first parabolic focal region; a second substantially parabolic contour having a second parabolic focal region; an ingress surface; and an egress surface, wherein the ingress surface is configured to admit a laser beam into the chamber, the first parabolic contour is configured to reflect a high intensity light from the first parabolic focal region to the second parabolic contour, the second parabolic contour is configured to reflect the high intensity light from the first parabolic contour to the second parabolic focal region, and the egress surface is configured to emit the high intensity light from the chamber. ### Claim 2 (depends on 1) The sealed high intensity illumination device of claim 1, further comprising a first sealing surface (1403) in a first plane parallel to a horizontal axis of symmetry (1390) passing through the first parabolic focal region and the second parabolic focal region, wherein the first sealing surface intersects the second parabolic surface. ### Claim 3 (depends on 2) The sealed high intensity illumination device of claim 2, wherein the first sealing surface comprises the egress surface. ### Claim 4 (depends on 3) The sealed high intensity illumination device of claim 3, wherein the first sealing surface intersects the first parabolic surface, and the first sealing surface comprises the ingress surface. ### Claim 5 (depends on 2) The sealed high intensity illumination device of claim 2, further comprising a second sealing surface (1430) in a second plane parallel to a vertical axis (1383) orthogonal the horizontal axis (1390), wherein the second sealing surface comprises the ingress surface. ### Claim 6 (depends on 5) The sealed high intensity illumination device of claim 5, wherein the first sealing surface intersects the second sealing surface, and the ingress surface is configured to admit the laser beam to pass through the ingress surface and reflect off of the first parabolic contour toward the first parabolic focal region (1321). ### Claim 7 (depends on 5) The sealed high intensity illumination device of claim 5, wherein the first sealing surface intersects the second sealing surface. ### Claim 8 (depends on 6) The sealed high intensity illumination device of claim 6, wherein the ingress surface further comprises a reflective surface (1486) oriented to reflect radiation to the first parabolic contour and from the reflective surface toward the first parabolic focal region (1321). ### Claim 9 (depends on 1) The sealed high intensity illumination device of claim 1, further comprising a sealing surface (1330) in a plane orthogonal to a horizontal axis of symmetry (1390) passing through the first parabolic focal region and the second parabolic focal region, wherein the sealing surface comprises the ingress surface and the sealing surface intersects the first parabolic surface. ### Claim 10 (depends on 9) The sealed high intensity illumination device of claim 9, wherein the sealing surface comprises the ingress surface, and the ingress surface is configured to admit the laser beam to pass through the ingress surface directly toward the first parabolic focal region. ### Claim 11 (depends on 9) The sealed high intensity illumination device of claim 9, further comprises a mirror (1380) within the chamber (1320) oriented to reflect radiation received from the first parabolic contour back to the first parabolic contour. ### Claim 12 (depends on 1) The sealed high intensity illumination device of claim 1, further comprising a plasma sustaining region and a plasma ignition region disposed within the sealed chamber. ### Claim 13 (depends on 12) The sealed high intensity illumination device of claim 12, wherein the first parabolic contour and the second parabolic contour are arranged to provide 1:1 imaging from the first parabolic focal region to the second parabolic focal region. ### Claim 14 (depends on 12) The sealed high intensity illumination device of claim 12, wherein the plasma sustaining region coincides with the first parabolic focal region. ### Claim 15 (depends on 1) The sealed high intensity illumination device of claim 1, further comprising the laser light source disposed external to the sealed chamber and configured to direct a laser light beam directly into the sealed chamber.