LEADER 00931nam0-22003131i-450- 001 990000584390403321 005 20150126112426.0 035 $a000058439 035 $aFED01000058439 035 $a(Aleph)000058439FED01 035 $a000058439 100 $a20020821d--------km-y0itay50------ba 101 0 $aita 105 $ay-------001yy 200 1 $aHANDBOOK OF EXPERIMENTAL STRESS ANALYSIS$fHETE'NYI M. 210 $aNew York$cJohn Wiley & Sons Inc.$d1954 610 0 $aFotoelasticità 610 0 $aTecnica della Sperimentazione su materiali e strutture 610 0 $aCalcolo delle probabilità e applicazioni 700 1$aHétenyi,$bMiklos$0340760 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990000584390403321 952 $aMAN.A.20$b589$fDARCO 952 $a07 E-3$fDINSC 959 $aDINSC 959 $aDARCO 996 $aHANDBOOK OF EXPERIMENTAL STRESS ANALYSIS$9318664 997 $aUNINA LEADER 02783nam 2200421 450 001 9910808816203321 005 20230112175225.0 010 $a9783736966260$b(electronic bk.) 010 $z9783736976269 035 $a(MiAaPQ)EBC7048821 035 $a(Au-PeEL)EBL7048821 035 $a(CKB)24276176900041 035 $a(EXLCZ)9924276176900041 100 $a20230112d2022 uy 0 101 0 $aeng 135 $aurcnu|||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aBroad-area laser bars for 1 kW-emission $edemonstrating increased efficiency and narrowed far field /$fMatthias M. Karow 205 $a1st ed. 210 1$aGo?ttingen :$cCuvillier Verlag,$d[2022] 210 4$d©2022 215 $a1 online resource (143 pages) 225 1 $aInnovationen mit Mikrowellen und Licht. Forschungsberichte aus dem Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik ;$vv.70 311 08$aPrint version: Karow, Matthias M. Broad-Area Laser Bars for 1 kW-Emission Göttingen : Cuvillier Verlag,c2022 9783736976269 327 $aIntro -- Abstract -- 1. Introduction -- 1.1. The global laser market -- 1.2. State of the art -- 1.3. Structure of this work -- 2. Theoretical Background -- 2.1. Concept and physics of broad-area laser bars -- 2.2. Definition and governing effects of beam quality in broad-area lasers -- 2.3. Strained diode-laser chips -- 2.4. Thermal aspects of diode-laser operation -- 3. Experimental Methods -- 3.1. Fabrication of broad-area laser bars -- 3.2. Characterization techniques -- 4. Diode-Laser Bars for Highly Efficient 1 kW-Emission -- 4.1. Vertical structure for high-efficiency operation -- 4.2. Thermal transient -- 4.3. Varied resonator length -- 4.4. Impact of the lateral design -- 4.5. Conclusions -- 5. Efficient 1 kW-Emitting Bars Exhibiting Narrow Far Field -- 5.1. Mechanical chip deformation (bar smile) -- 5.2. Emitter cross heating -- 5.3. Bar edge emitters -- 5.4. Emitter sub-structure -- 5.5. Conclusions -- 6. Conclusions and Outlook -- Appendices -- A. Beam-Path Calculation Using the Matrix Formalism -- B. Thermal Wavelength Dependence of Longitudinal Modes -- Bibliography -- Public ContributionsPublic Contributions -- Acknowledgements -- Biographical Sketch. 410 0$aInnovationen mit Mikrowellen und Licht. Forschungsberichte aus dem Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik 606 $aEmission spectroscopy 615 0$aEmission spectroscopy. 676 $a543.0858 700 $aKarow$b Matthias M.$01654670 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 912 $a9910808816203321 996 $aBroad-area laser bars for 1 kW-emission$94006645 997 $aUNINA