# US 2014/0153604 A1 · Device for transformation of concentrated solar energy > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0153604 A1 - Document ID: US20140153604A1 - Status: Published application - Kind: A1 - Application number: 14/130,583 - Filed: 2012-06-28 - Published: 2014-06-05 - Earliest claimed: 2011-07-05 - Assignees: Abengoa Solar New Technologies, S.A. - Inventors: Juan Pablo Nunez Bootello; Manuel Gallas Torreira - Web page: https://patentgrep.com/patent/US20140153604A1 ## CPC - H01S 5/026: Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers (stabilisation of output H01S5/06) - H01S 3/06741: {Photonic crystal fibre, i.e. the fibre having a photonic bandgap} - H01S 3/0915: by incoherent light - H10F 77/42: directly associated or integrated with photovoltaic cells, e.g. light-reflecting means or light-concentrating means - H10F 77/45: Wavelength conversion means, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements - H10F 77/488: {Reflecting light-concentrating means, e.g. parabolic mirrors or concentrators using total internal reflection} - G02B 6/02314: {Plurality of longitudinal structures extending along optical fibre axis, e.g. holes} - H01S 3/005: {Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping (shaping laser beam for working metal or other materials B23K26/06; optical elements, systems or apparatus in general G02B)} - H01S 3/06704: {Housings; Packages} - H01S 3/08059: {Constructional details of the reflector, e.g. shape (mirrors in general G02B5/08; mountings for mirrors G02B7/18)} - H01S 3/23: Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media - Y02E 10/52: PV systems with concentrators - H01S: DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL - H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A device for transformation of concentrated solar energy including a photovoltaic cell and laser device, which includes a first reflecting mirror adapted for entry of a beam of solar rays and a second reflecting mirror adapted for an outlet of a laser beam, with the first reflecting mirror reflective on an outlet wavelength of the laser beam and transparent to a totality of a solar spectrum and the second reflecting mirror partially reflective on the wavelength of the laser beam, reflective in an interval of the solar spectrum which is absorbed and transparent in other wavelengths different to these, and at the outlet of the laser beam. The device includes a nucleus doped with substances for total or partial absorption of the solar spectrum and coatings. ## Claims ### Claim at position 1 1-15. (canceled) ### Claim 16 A device for transformation of concentrated solar energy, comprising: a laser device comprising: an active medium for total or partial absorption of solar spectrum and for formation of a laser beam; a first reflecting mirror adapted for entry of a concentrated incident light beam; a second reflecting mirror adapted for an outlet of the laser beam, which is reflective in an interval of absorption wavelengths of the active medium and transparent in wavelengths different to the interval of absorption wavelength and at the outlet of the laser beam; an initial coating of a nucleus which has a refraction index lower than that of the nucleus so that the laser beam generated is transmissible within an interface of the nucleus and the initial coating in single mode; and a second coating; wherein with the first reflecting mirror is reflective on the outlet wavelength of the laser beam and the second reflecting mirror is partially reflective on the outlet wavelength of the laser beam; wherein the active medium is located between the first and the second reflecting mirrors which are arranged facing each other; wherein the active medium is a nucleus that includes at least one section with substances configured, totally or partially, to absorb the solar spectrum and generate the laser beam and the active medium is situated longitudinally with respect to the laser device, wherein the first reflecting mirror is transparent to all wavelengths of the solar spectrum, wherein the second coating has a refraction index lower than the first coating such that the concentrated incident light beam is transmissible within an interface of the first and second coatings by total internal reflection, and the solar energy transformation device further comprising a photovoltaic cell in series with the laser device and that is situated before the laser device. ### Claim 17 (depends on 16) A device for transformation of concentrated solar energy, according to claim 16, wherein the laser device is adapted to supply a PCF fiber. ### Claim 18 (depends on 16) A device for transformation of concentrated solar energy, according to claim 16, wherein the laser device further comprises a water pipe located between the first and the second coatings for cooling the laser device. ### Claim 19 (depends on 16) A device for transformation of concentrated solar energy, according to claim 16, wherein a section of the first coating is not circular. ### Claim 20 (depends on 19) A device for transformation of concentrated solar energy, according to claim 19, wherein the section of the first coating is asymmetric. ### Claim 21 (depends on 16) A device for transformation of concentrated solar energy, according to claim 16, wherein the second coating comprises longitudinal pipes for air circulation. ### Claim 22 (depends on 16) A device for transformation of concentrated solar energy, according to claim 16, wherein the second coating comprises a circular section. ### Claim 23 (depends on 16) A device for transformation of concentrated solar energy, according to claim 16, wherein the first coating is doped. ### Claim 24 (depends on 16) A device for transformation of concentrated solar energy, according to claim 16, wherein the nucleus comprises a doped central longitudinal section and non-doped longitudinal end sections. ### Claim 25 (depends on 16) A device for transformation of concentrated solar energy, according to claim 16, wherein the nucleus comprises different longitudinal sections with different dopings. ### Claim 26 (depends on 16) A device for transformation of concentrated solar energy, according to claim 16, wherein the nucleus comprises a first non-doped longitudinal section, followed by a second doped longitudinal section. ### Claim 27 (depends on 16) A device for transformation of concentrated solar energy, according to claim 16, wherein the photovoltaic cell generates electricity power that supplies the laser device to cover its consumption. ### Claim 28 (depends on 16) A device for transformation of concentrated solar energy, according to claim 16, comprising at least two photovoltaic cells situated in series. ### Claim 29 (depends on 16) A device for transformation of concentrated solar energy, according to claim 16, comprising at least two laser devices situated in series with nuclei with wavelength absorption differing from that of the solar spectrum. ### Claim 30 (depends on 29) A device for transformation of concentrated solar energy, according to claim 29, comprising a laser device with Nd:YAG nucleus in series with a laser device having a Yb:YAG nucleus in series with a laser device with a Cr4+:MgSiO4 nucleus.