{"id":"https://openalex.org/W1591822293","doi":null,"title":"Multi-watt, diode-pumped planar waveguide lasers","display_name":"Multi-watt, diode-pumped planar waveguide lasers","publication_year":2000,"publication_date":"2000-01-01","ids":{"openalex":"https://openalex.org/W1591822293","mag":"1591822293"},"language":"en","primary_location":{"id":"pmh:oai:eprints.soton.ac.uk:15505","doi":null,"is_oa":false,"landing_page_url":"https://eprints.soton.ac.uk/15505/1/Bonner_2000_thesis_1400T.pdf","pdf_url":"https://eprints.soton.ac.uk/15505/1/Bonner_2000_thesis_1400T.pdf","source":{"id":"https://openalex.org/S4306401019","display_name":"ePrints Soton (University of Southampton)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I43439940","host_organization_name":"University of Southampton","host_organization_lineage":["https://openalex.org/I43439940"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://uilis.unsyiah.ac.id/opentheses/items/show/28561","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5086561394","display_name":"C.L. Bonner","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"C.L. Bonner","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5086561394"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1102","last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11127","display_name":"Solid State Laser Technologies","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11127","display_name":"Solid State Laser Technologies","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11050","display_name":"Photorefractive and Nonlinear Optics","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/planar-waveguide-lasers","display_name":"planar waveguide lasers","score":0.9319999814033508},{"id":"https://openalex.org/keywords/diode-bar-pumping","display_name":"diode bar pumping","score":0.8939999938011169},{"id":"https://openalex.org/keywords/nd-yag-laser","display_name":"Nd:YAG laser","score":0.7080000042915344},{"id":"https://openalex.org/keywords/direct-bonding","display_name":"direct bonding","score":0.7350000143051147},{"id":"https://openalex.org/keywords/pulsed-laser-deposition","display_name":"pulsed laser deposition","score":0.9110000133514404},{"id":"https://openalex.org/keywords/liquid-phase-epitaxy","display_name":"liquid phase epitaxy","score":0.9409999847412109},{"id":"https://openalex.org/keywords/waveguide-fabrication","display_name":"waveguide fabrication","score":0.6949999928474426},{"id":"https://openalex.org/keywords/numerical-aperture","display_name":"numerical aperture","score":0.6240000128746033},{"id":"https://openalex.org/keywords/heat-load","display_name":"heat load","score":0.5950000286102295},{"id":"https://openalex.org/keywords/thermal-stress-fracture","display_name":"thermal stress fracture","score":0.6129999756813049},{"id":"https://openalex.org/keywords/saturation-absorption","display_name":"absorption saturation","score":0.3370000123977661}],"concepts":[{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7752867937088013},{"id":"https://openalex.org/C200687136","wikidata":"https://www.wikidata.org/wiki/Q11233438","display_name":"Waveguide","level":2,"score":0.645673394203186},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5677016377449036},{"id":"https://openalex.org/C78434282","wikidata":"https://www.wikidata.org/wiki/Q11656","display_name":"Diode","level":2,"score":0.5539886355400085},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.5371440649032593},{"id":"https://openalex.org/C11630735","wikidata":"https://www.wikidata.org/wiki/Q7187864","display_name":"Photon upconversion","level":3,"score":0.5292091965675354},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.5010256767272949},{"id":"https://openalex.org/C134786449","wikidata":"https://www.wikidata.org/wiki/Q3391255","display_name":"Planar","level":2,"score":0.4849858283996582},{"id":"https://openalex.org/C57863236","wikidata":"https://www.wikidata.org/wiki/Q1130571","display_name":"Doping","level":2,"score":0.21489712595939636},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0723731517791748},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"pmh:oai:eprints.soton.ac.uk:15505","doi":null,"is_oa":false,"landing_page_url":"https://eprints.soton.ac.uk/15505/1/Bonner_2000_thesis_1400T.pdf","pdf_url":"https://eprints.soton.ac.uk/15505/1/Bonner_2000_thesis_1400T.pdf","source":{"id":"https://openalex.org/S4306401019","display_name":"ePrints Soton (University of Southampton)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I43439940","host_organization_name":"University of Southampton","host_organization_lineage":["https://openalex.org/I43439940"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},{"id":"pmh:oai:uilis.unsyiah.ac.id:28561","doi":null,"is_oa":true,"landing_page_url":"http://uilis.unsyiah.ac.id/opentheses/items/show/28561","pdf_url":"http://uilis.unsyiah.ac.id/opentheses/items/show/28561","source":{"id":"https://openalex.org/S4377196378","display_name":"UPT. Syiah Kuala University Library (Syiah Kuala University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I187494767","host_organization_name":"Universitas Syiah Kuala","host_organization_lineage":["https://openalex.org/I187494767"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},{"id":"pmh:hdl:10068/678554","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/10068/678554","pdf_url":null,"source":{"id":"https://openalex.org/S4377196900","display_name":"OpenGrey (Institut de l'Information Scientifique et Technique)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1295345811","host_organization_name":"Institut de l'Information Scientifique et Technique","host_organization_lineage":["https://openalex.org/I1295345811"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"U - Thesis"},{"id":"mag:1591822293","doi":null,"is_oa":false,"landing_page_url":"https://eprints.soton.ac.uk/15505/","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:uilis.unsyiah.ac.id:28561","doi":null,"is_oa":true,"landing_page_url":"http://uilis.unsyiah.ac.id/opentheses/items/show/28561","pdf_url":"http://uilis.unsyiah.ac.id/opentheses/items/show/28561","source":{"id":"https://openalex.org/S4377196378","display_name":"UPT. Syiah Kuala University Library (Syiah Kuala University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I187494767","host_organization_name":"Universitas Syiah Kuala","host_organization_lineage":["https://openalex.org/I187494767"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1591822293.pdf","grobid_xml":"https://content.openalex.org/works/W1591822293.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2060934586","https://openalex.org/W4320804901","https://openalex.org/W1912164266","https://openalex.org/W574145824","https://openalex.org/W2131722119","https://openalex.org/W1888430720","https://openalex.org/W1644588427","https://openalex.org/W35195783","https://openalex.org/W53223792","https://openalex.org/W2021996739"],"abstract_inverted_index":{"This":[0,225],"thesis":[1],"reports":[2],"on":[3,69,94,107],"progress":[4],"towards":[5],"diode-bar":[6,32,212,383,474,562],"pumped":[7,289],"crystal":[8],"waveguide":[9,36,50,71,92,194,204,324,339,370,406,465,507,554],"lasers":[10,195,385],"with":[11,37,123,143,205,302,325,397,478,587,595],"a":[12,31,35,38,79,88,167,202,211,216,221,312,322,345,351,368,409,473,476,483,516,521,533,551,560,567,574,618],"high-power,":[13],"high-quality":[14],"output.":[15,535],"It":[16,565],"is":[17,44,644],"shown":[18,271],"that":[19,336,349],"in":[20,147,252,286,367,381,434,524,573,646],"order":[21],"to":[22,77,125,137,215,256,317,372,386,475,532,559,592,605,629],"accommodate":[23],"the":[24,82,95,104,108,114,118,160,164,199,206,244,248,276,279,283,294,297,319,337,341,435,498,501,506,513,525,543,578,606,610,615,623],"highly":[25],"divergent,":[26],"non-diffraction":[27],"limited":[28],"output":[29,411,427,455,504,569,585],"from":[30,461,505],"pump":[33,384,448,563],"source,":[34],"relatively":[39],"large":[40],"numerical":[41],"aperture":[42],"(NA)":[43],"required.":[45],"A":[46,67,392,467,536],"selection":[47,602],"of":[48,117,132,159,170,201,210,246,278,321,344,350,413,422,430,457,470,486,500,571,609,617],"suitable":[49],"fabrication":[51,130],"techniques,":[52],"including":[53],"liquid":[54],"phase":[55],"epitaxy":[56],"(LPE),":[57],"pulsed":[58],"laser":[59,97,508,526,582,597],"deposition":[60],"(PLD)":[61],"and":[62,146,163,175,182,189,220,232,275,293,328,358,407,425,437,453,529,613],"direct":[63,133,192,492,549],"bonding,":[64],"were":[65,196,365],"investigated.":[66],"Nd:GGG":[68],"YAG":[70],"fabricated":[72,181],"by":[73,239,541,548,632],"PLD":[74,89],"was":[75,120,135,229,254,300,314,459,539,556],"found":[76,136,540],"have":[78,270,389,509],"loss":[80],"<0.5dB/cm,":[81],"lowest":[83],"so":[84],"far":[85],"reported":[86,266],"for":[87,103,296,310,496],"layer.":[90],"The":[91,129,154,291,306,333,415],"lased":[93],"four-level":[96],"transition":[98],"at":[99,243],"around":[100,111],"1\u00b5m":[101],"and,":[102],"first":[105,468,544],"time,":[106],"quasi-three-level":[109],"transition,":[110],"940nm.":[112],"However,":[113],"fluorescence":[115],"spectra":[116],"guide":[119],"significantly":[121,261],"broadened":[122],"respect":[124],"bulk":[126,161,326,329,378,398],"grown":[127],"crystals.":[128],"technique":[131,165],"bonding":[134,550],"reliably":[138],"produce":[139],"good":[140],"quality":[141,429,499,528],"waveguides":[142,155,388],"losses":[144],"<0.5dB/cm":[145],"some":[148],"cases":[149],"as":[150,152],"low":[151,174],"0.2dB/cm.":[153],"had":[156,264,417,583],"spectroscopic":[157,237],"characteristics":[158],"material":[162,171],"accommodates":[166],"wide":[168],"range":[169],"combinations.":[172],"Both":[173],"high":[176,207,217,222],"NA":[177],"structures":[178],"can":[179,213,281],"be":[180,257],"Nd:GGG/YAG":[183],"(NA=0.75),":[184],"Nd:YAG/YAG":[185],"(NA=0.06),":[186],"Nd:YAG/sapphire":[187,491],"(NA=0.46)":[188],"Nd:YAG/glass":[190],"(NA=0.82)":[191],"bonded":[193,493],"demonstrated.":[197],"Pumping":[198],"volume":[200],"planar":[203,323,338,369,387,405],"average":[208],"power":[209,412,456,570],"lead":[214],"inversion":[218],"density":[219],"thermal":[223,342,361],"load.":[224],"novel":[226],"pumping":[227],"regime":[228],"investigated":[230],"experimentally":[231],"theoretically":[233],"modelled.":[234],"In":[235,512,577,622],"parallel":[236],"measurements":[238],"Dr.":[240],"Stephan":[241],"Guy":[242],"University":[245],"Lyon,":[247],"Auger":[249,298],"upconversion":[250],"rate":[251],"Nd:YAG":[253,404,464],"measured":[255],"7":[258],"x":[259,432],"103s-1;":[260],"lower":[262,360],"than":[263],"been":[265,390,510],"previously.":[267],"Modelling":[268],"studies":[269],"how":[272],"this":[273,447,581,647],"upconversion,":[274],"saturation":[277],"absorption,":[280],"affect":[282],"gain":[284,331,611],"available":[285],"an":[287,373,402,418,454,462,489,584,588,634],"intensely":[288],"system.":[290],"model,":[292],"value":[295],"rate,":[299],"consistent":[301,594],"experimental":[303],"amplifier":[304],"measurements.":[305],"associated":[307],"heat":[308],"load":[309],"such":[311],"system":[313],"also":[315,530],"modelled":[316],"compare":[318],"performance":[320],"slab":[327,346],"rod-shaped":[330],"media.":[332],"model":[334],"showed":[335],"maintains":[340],"advantages":[343],"geometry":[347],"over":[348],"rod,":[352],"although":[353],"slightly":[354,359],"higher":[355],"temperature":[356],"rises":[357],"stress":[362],"fracture":[363],"limits":[364],"predicted":[366],"compared":[371],"identical":[374],"sized,":[375],"but":[376,641],"uniformly-pumped,":[377],"slab.":[379],"Advances":[380],"coupling":[382,472,484],"made.":[391],"20W":[393],"fibre-lensed":[394],"diode-bar,":[395],"coupled":[396,446,558],"cylindrical":[399],"lenses,":[400],"end-pumped":[401],"80\u00b5m":[403],"gave":[408,482,520,566,638],"maximum":[410,568],"6.2W.":[414],"device":[416],"optical-to-optical":[419],"conversion":[420],"efficiency":[421,485],"31":[423],"%":[424],"M2":[426,589,631],"beam":[428],"3":[431],"140":[433],"guided":[436,514,579],"non-guided":[438,624],"directions":[439],"respectively.":[440],"More":[441],"compact,":[442],"rod-lens":[443],"focussing":[444],"successfully":[445],"source":[449],"into":[450,488],"sub-10-\u00b5m":[451],"waveguides,":[452],"3.7W":[458],"obtained":[460],"8\u00b5m":[463,490],"laser.":[466,564],"demonstration":[469],"proximity":[471,557],"waveguide,":[477],"no":[479],"intervening":[480],"optics,":[481],"~90%":[487],"waveguide.":[494],"Techniques":[495],"improving":[497],"spatial":[502],"mode":[503,527,598,601,620],"considered.":[511],"direction,":[515],"metal":[517],"overlaid":[518],"coating":[519],"slight":[522],"improvement":[523],"led":[531],"polarised":[534],"better":[537],"solution":[538],"designing":[542],"double-clad":[545],"waveguides.":[546],"Fabricated":[547],"five-layer,":[552],"Yb:YAG/YAG/sapphire":[553],"structure":[555],"22W":[561],"2.2W":[572],"side-pumped":[575],"configuration.":[576],"direction":[580,625],"divergence":[586],"very":[590],"close":[591],"1,":[593],"fundamental":[596],"operation,":[599],"Spatial":[600],"occurred":[603],"due":[604],"confined":[607],"nature":[608],"region,":[612],"not":[614],"cladding-pumping":[616],"single":[619],"core.":[621],"initial":[626],"experiments":[627],"aiming":[628],"improve":[630],"using":[633],"unstable":[635],"resonator":[636],"design":[637],"promising":[639],"results":[640],"further":[642],"work":[643],"required":[645],"area.":[648]},"counts_by_year":[{"year":2016,"cited_by_count":1}],"updated_date":"2026-09-04T10:56:28.161419","created_date":"2016-06-24T00:00:00"}