Diode-based additive manufacturing of metals using an optically-addressable light valve
Selective Laser Melting (SLM) of metal powder bed layers, whereby 3D metal objects can be printed from a digital file with unprecedented design flexibility, is spurring manufacturing innovations in medical, automotive, aerospace and textile industries. Because SLM is based on raster-scanning a laser...
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| Veröffentlicht in: | Optics express 2017-05, Vol.25 (10), p.11788-11800 |
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| container_title | Optics express |
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| creator | Matthews, Manyalibo J Guss, Gabe Drachenberg, Derrek R Demuth, James A Heebner, John E Duoss, Eric B Kuntz, Joshua D Spadaccini, Christopher M |
| description | Selective Laser Melting (SLM) of metal powder bed layers, whereby 3D metal objects can be printed from a digital file with unprecedented design flexibility, is spurring manufacturing innovations in medical, automotive, aerospace and textile industries. Because SLM is based on raster-scanning a laser beam over each layer, the process is relatively slow compared to most traditional manufacturing methods (hours to days), thus limiting wider spread use. Here we demonstrate the use of a large area, photolithographic method for 3D metal printing, using an optically-addressable light valve (OALV) as the photomask, to print entire layers of metal powder at once. An optical sheet of multiplexed ~5 kW, 20 ms laser diode and ~1 MW, 7 ns Q-switched laser pulses are used to selectively melt each layer. The patterning of near infrared light is accomplished by imaging 470 nm light onto the transmissive OALV, which consists of polarization-selective nematic liquid crystal sandwiched between a photoconductor and transparent conductor for switching. |
| doi_str_mv | 10.1364/OE.25.011788 |
| format | Article |
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An optical sheet of multiplexed ~5 kW, 20 ms laser diode and ~1 MW, 7 ns Q-switched laser pulses are used to selectively melt each layer. The patterning of near infrared light is accomplished by imaging 470 nm light onto the transmissive OALV, which consists of polarization-selective nematic liquid crystal sandwiched between a photoconductor and transparent conductor for switching.</description><subject>Additive Manufacturing</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>ENGINEERING</subject><subject>Laser Diodes</subject><subject>Laser Materials Processing</subject><subject>MATERIALS SCIENCE</subject><subject>Powder Bed Fusion</subject><subject>Scalable Manufacturing</subject><subject>Stereolithography</subject><issn>1094-4087</issn><issn>1094-4087</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNpNkL1PwzAQxS0EoqWwMaOIiYEUO7ETe0SlfEiVuoAYrYtzaY3yUWKnUv97XLUg7oZ7J_3eGx4h14xOWZrxh-V8mogpZSyX8oSMGVU85lTmp__0iFw490Up47nKz8kokQHOUzkmn0-2KzEuwGEZQVlab7cYNdAOFRg_9LZdRV0VNeihdtHg9j-0Ubfx1kBd7-Lg6dE5KGqMarta-2gL9RYvyVkVHHh1vBPy8Tx_n73Gi-XL2-xxEZtUZD640QhEFJKzRDCe8IyHyZhUkgoDVc4YIEpViJIqADAKhEkpFEmGQE06IbeH3M55q52xHs3adG2LxmuWipzTNEB3B2jTd98DOq8b6wzWNbTYDU4zleRCZWEDen9ATd8512OlN71toN9pRvW-b72c60ToQ98BvzkmD0WD5R_8W3D6A90leyg</recordid><startdate>20170515</startdate><enddate>20170515</enddate><creator>Matthews, Manyalibo J</creator><creator>Guss, Gabe</creator><creator>Drachenberg, Derrek R</creator><creator>Demuth, James A</creator><creator>Heebner, John E</creator><creator>Duoss, Eric B</creator><creator>Kuntz, Joshua D</creator><creator>Spadaccini, Christopher M</creator><general>Optical Society of America (OSA)</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>OIOZB</scope><scope>OTOTI</scope></search><sort><creationdate>20170515</creationdate><title>Diode-based additive manufacturing of metals using an optically-addressable light valve</title><author>Matthews, Manyalibo J ; Guss, Gabe ; Drachenberg, Derrek R ; Demuth, James A ; Heebner, John E ; Duoss, Eric B ; Kuntz, Joshua D ; Spadaccini, Christopher M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-adec5eee5841251424644446189805caf711aee89b5d09aaac9a5c30ab26ea0c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Additive Manufacturing</topic><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>ENGINEERING</topic><topic>Laser Diodes</topic><topic>Laser Materials Processing</topic><topic>MATERIALS SCIENCE</topic><topic>Powder Bed Fusion</topic><topic>Scalable Manufacturing</topic><topic>Stereolithography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Matthews, Manyalibo J</creatorcontrib><creatorcontrib>Guss, Gabe</creatorcontrib><creatorcontrib>Drachenberg, Derrek R</creatorcontrib><creatorcontrib>Demuth, James A</creatorcontrib><creatorcontrib>Heebner, John E</creatorcontrib><creatorcontrib>Duoss, Eric B</creatorcontrib><creatorcontrib>Kuntz, Joshua D</creatorcontrib><creatorcontrib>Spadaccini, Christopher M</creatorcontrib><creatorcontrib>Lawrence Livermore National Lab. 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Here we demonstrate the use of a large area, photolithographic method for 3D metal printing, using an optically-addressable light valve (OALV) as the photomask, to print entire layers of metal powder at once. An optical sheet of multiplexed ~5 kW, 20 ms laser diode and ~1 MW, 7 ns Q-switched laser pulses are used to selectively melt each layer. The patterning of near infrared light is accomplished by imaging 470 nm light onto the transmissive OALV, which consists of polarization-selective nematic liquid crystal sandwiched between a photoconductor and transparent conductor for switching.</abstract><cop>United States</cop><pub>Optical Society of America (OSA)</pub><pmid>28788738</pmid><doi>10.1364/OE.25.011788</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Optics express, 2017-05, Vol.25 (10), p.11788-11800 |
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| language | eng |
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection |
| subjects | Additive Manufacturing CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ENGINEERING Laser Diodes Laser Materials Processing MATERIALS SCIENCE Powder Bed Fusion Scalable Manufacturing Stereolithography |
| title | Diode-based additive manufacturing of metals using an optically-addressable light valve |
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