Efficient, high-brightness wavelength-beam- combined commercial off-the-shelf diode stacks achieved by use of a wavelength-chirped volume bragg grating
We report a method of scaling the spatial brightness from commercial off-the-shelf diode laser stacks through wavelength beam combining, by use of a linearly wavelength-chirped volume Bragg grating (VBG). Using a three-bar commercial stack of broad-area lasers and a VBG, we demonstrate 89.5 W cw of...
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| Veröffentlicht in: | Optics letters 2006-05, Vol.31 (9), p.1253-1255 |
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| container_end_page | 1255 |
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| container_issue | 9 |
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| container_title | Optics letters |
| container_volume | 31 |
| creator | CHANN, B GOYAL, A. K FAN, T. Y SANCHEZ-RUBIO, A VOLODIN, B. L BAN, V. S |
| description | We report a method of scaling the spatial brightness from commercial off-the-shelf diode laser stacks through wavelength beam combining, by use of a linearly wavelength-chirped volume Bragg grating (VBG). Using a three-bar commercial stack of broad-area lasers and a VBG, we demonstrate 89.5 W cw of beam-combined output with a beam-combining efficiency of 75%. The output beam has a propagation factor M2 approximately 26 on the slow axis and M2 approximately 21 on the fast axis. This corresponds to a brightness of approximately 20 MW/cm2 sr. To our knowledge, this is the highest brightness broad-area diode laser system. We achieve 81% coupling efficiency into a 100 microm, 0.22 N.A. fiber. |
| doi_str_mv | 10.1364/ol.31.001253 |
| format | Article |
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To our knowledge, this is the highest brightness broad-area diode laser system. We achieve 81% coupling efficiency into a 100 microm, 0.22 N.A. fiber.</description><subject>Exact sciences and technology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Gratings</subject><subject>Laser optical systems: design and operation</subject><subject>Lasers</subject><subject>Optical elements, devices, and systems</subject><subject>Optics</subject><subject>Physics</subject><subject>Resonators, cavities, amplifiers, arrays, and rings</subject><subject>Semiconductor lasers; laser diodes</subject><issn>0146-9592</issn><issn>1539-4794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNpN0cFu1DAQBmCrArVL4cYZ-UJP9WLHjrM-oqoFpJV6gXM0sceJwUkWO1nUJ-F1cbUrlYtteT79h_kJeS_4VkitPs1xK8WWc1HV8oJsRC0NU41Rr8iGC6WZqU11Rd7k_JNzrhspL8mV0FpVvNEb8vfe-2ADTsstHUI_sC6Vc5kwZ_oHjhhx6pfyizAyauexCxO658eIyQaIdPaeLQOyPGD01IXZIc0L2F-Zgh0CHgvvnuiasVAK_4eWcTqU8XGO64i0S9D3tE-whKl_S157iBnfne9r8uPh_vvdV7Z__PLt7vOeWbmrFyY6YVH6GsA7lKrSmrvOeG-4sjuxs9KDLEuSna2sN9JxY2uhXM21M6CEl9fk5pR7SPPvFfPSjiFbjBEmnNfc6sYIxbUo8PYEbZpzTujbQwojpKdW8Pa5iPZx30rRnooo_MM5d-1GdC_4vPkCPp4BZAvRJ5hsyC-uaUpdwsh_bX2TWw</recordid><startdate>20060501</startdate><enddate>20060501</enddate><creator>CHANN, B</creator><creator>GOYAL, A. 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S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c385t-1b1ce3f5aafde342660db9ff904c818c3fa33643bc2cf93d09c514d506d9a41f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Exact sciences and technology</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Gratings</topic><topic>Laser optical systems: design and operation</topic><topic>Lasers</topic><topic>Optical elements, devices, and systems</topic><topic>Optics</topic><topic>Physics</topic><topic>Resonators, cavities, amplifiers, arrays, and rings</topic><topic>Semiconductor lasers; laser diodes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>CHANN, B</creatorcontrib><creatorcontrib>GOYAL, A. K</creatorcontrib><creatorcontrib>FAN, T. Y</creatorcontrib><creatorcontrib>SANCHEZ-RUBIO, A</creatorcontrib><creatorcontrib>VOLODIN, B. 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S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Efficient, high-brightness wavelength-beam- combined commercial off-the-shelf diode stacks achieved by use of a wavelength-chirped volume bragg grating</atitle><jtitle>Optics letters</jtitle><addtitle>Opt Lett</addtitle><date>2006-05-01</date><risdate>2006</risdate><volume>31</volume><issue>9</issue><spage>1253</spage><epage>1255</epage><pages>1253-1255</pages><issn>0146-9592</issn><eissn>1539-4794</eissn><coden>OPLEDP</coden><abstract>We report a method of scaling the spatial brightness from commercial off-the-shelf diode laser stacks through wavelength beam combining, by use of a linearly wavelength-chirped volume Bragg grating (VBG). Using a three-bar commercial stack of broad-area lasers and a VBG, we demonstrate 89.5 W cw of beam-combined output with a beam-combining efficiency of 75%. The output beam has a propagation factor M2 approximately 26 on the slow axis and M2 approximately 21 on the fast axis. This corresponds to a brightness of approximately 20 MW/cm2 sr. To our knowledge, this is the highest brightness broad-area diode laser system. We achieve 81% coupling efficiency into a 100 microm, 0.22 N.A. fiber.</abstract><cop>Washington, DC</cop><pub>Optical Society of America</pub><pmid>16642076</pmid><doi>10.1364/ol.31.001253</doi><tpages>3</tpages></addata></record> |
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| ispartof | Optics letters, 2006-05, Vol.31 (9), p.1253-1255 |
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| language | eng |
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| source | Optica Publishing Group Journals |
| subjects | Exact sciences and technology Fundamental areas of phenomenology (including applications) Gratings Laser optical systems: design and operation Lasers Optical elements, devices, and systems Optics Physics Resonators, cavities, amplifiers, arrays, and rings Semiconductor lasers laser diodes |
| title | Efficient, high-brightness wavelength-beam- combined commercial off-the-shelf diode stacks achieved by use of a wavelength-chirped volume bragg grating |
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