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.mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox biography vcard"><tbody><tr><th colspan="2" class="infobox-above" style="font-size:125%;"><div class="fn">Katherine Harkay</div></th></tr><tr><th scope="row" class="infobox-label">Alma mater</th><td class="infobox-data"><a href="/wiki/Purdue_University" title="Purdue University">Purdue University</a></td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><b>Scientific career</b></td></tr><tr><th scope="row" class="infobox-label">Institutions</th><td class="infobox-data"><a href="/wiki/Argonne_National_Laboratory" title="Argonne National Laboratory">Argonne National Laboratory</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Thesis" title="Thesis">Thesis</a></th><td class="infobox-data"> <span style="font-size:97%;">(1993)</span></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Doctoral_advisor" title="Doctoral advisor">Doctoral advisor</a></th><td class="infobox-data">Lazslo Gutay</td></tr><tr style="display:none"><td colspan="2"> </td></tr></tbody></table> <p><b>Katherine C. Harkay</b> is an American physicist working on <a href="/wiki/Particle_accelerators" class="mw-redirect" title="Particle accelerators">particle accelerators</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Biography">Biography</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Katherine_Harkay&action=edit&section=1" title="Edit section: Biography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Harkey completed her <a href="/wiki/Bachelor%27s_degree" title="Bachelor's degree">bachelor's degree</a> in physics at St. John's University in 1982, then her <a href="/wiki/Master%27s_degree" title="Master's degree">master's degree</a> at Purdue University in 1984.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Harkay obtained her <a href="/wiki/PhD" class="mw-redirect" title="PhD">PhD</a> in physics at <a href="/wiki/Purdue_University" title="Purdue University">Purdue University</a> in 1993, supervised by Lazslo Gutay.<sup id="cite_ref-auto_2-0" class="reference"><a href="#cite_note-auto-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>She now works at the <a href="/wiki/Argonne_National_Laboratory" title="Argonne National Laboratory">Argonne National Laboratory</a> on the <a href="/wiki/Advanced_Photon_Source" title="Advanced Photon Source">Advanced Photon Source</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Awards_and_honours">Awards and honours</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Katherine_Harkay&action=edit&section=2" title="Edit section: Awards and honours"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>2009 – Outstanding Alumni Award from Purdue University<sup id="cite_ref-auto_2-1" class="reference"><a href="#cite_note-auto-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></li> <li>2013 – <a href="/wiki/Fellow_of_the_American_Physical_Society" class="mw-redirect" title="Fellow of the American Physical Society">Fellow of the American Physical Society</a> for "significant contributions to the understanding of the physics of electron cloud effects and the experimental investigation and understanding of collective effects, as well as for playing leading roles in development of photocathodes and superconducting undulator technology."<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="Selected_publications">Selected publications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Katherine_Harkay&action=edit&section=3" title="Edit section: Selected publications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFNémethHarkayvan_VeenendaalSpentzouris2010" class="citation journal cs1">Németh, Károly; Harkay, Katherine C.; van Veenendaal, Michel; Spentzouris, Linda; White, Marion; Attenkofer, Klaus; Srajer, George (26 January 2010). "High-Brightness Photocathodes through Ultrathin Surface Layers on Metals". <i>Physical Review Letters</i>. <b>104</b> (4): 046801. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2010PhRvL.104d6801N">2010PhRvL.104d6801N</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRevLett.104.046801">10.1103/PhysRevLett.104.046801</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/20366726">20366726</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review+Letters&rft.atitle=High-Brightness+Photocathodes+through+Ultrathin+Surface+Layers+on+Metals&rft.volume=104&rft.issue=4&rft.pages=046801&rft.date=2010-01-26&rft_id=info%3Apmid%2F20366726&rft_id=info%3Adoi%2F10.1103%2FPhysRevLett.104.046801&rft_id=info%3Abibcode%2F2010PhRvL.104d6801N&rft.aulast=N%C3%A9meth&rft.aufirst=K%C3%A1roly&rft.au=Harkay%2C+Katherine+C.&rft.au=van+Veenendaal%2C+Michel&rft.au=Spentzouris%2C+Linda&rft.au=White%2C+Marion&rft.au=Attenkofer%2C+Klaus&rft.au=Srajer%2C+George&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKatherine+Harkay" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRosenbergHarkay2000" class="citation journal cs1">Rosenberg, R.A; Harkay, K.C (October 2000). "A rudimentary electron energy analyzer for accelerator diagnostics". <i>Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment</i>. <b>453</b> (3): 507–513. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2000NIMPA.453..507R">2000NIMPA.453..507R</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2FS0168-9002%2800%2900472-1">10.1016/S0168-9002(00)00472-1</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nuclear+Instruments+and+Methods+in+Physics+Research+Section+A%3A+Accelerators%2C+Spectrometers%2C+Detectors+and+Associated+Equipment&rft.atitle=A+rudimentary+electron+energy+analyzer+for+accelerator+diagnostics&rft.volume=453&rft.issue=3&rft.pages=507-513&rft.date=2000-10&rft_id=info%3Adoi%2F10.1016%2FS0168-9002%2800%2900472-1&rft_id=info%3Abibcode%2F2000NIMPA.453..507R&rft.aulast=Rosenberg&rft.aufirst=R.A&rft.au=Harkay%2C+K.C&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKatherine+Harkay" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNémethShenLiShang2008" class="citation journal cs1">Németh, Károly; Shen, Baifei; Li, Yuelin; Shang, Hairong; Crowell, Robert; Harkay, Katherine C.; Cary, John R. (4 March 2008). "Laser-Driven Coherent Betatron Oscillation in a Laser-Wakefield Cavity". <i>Physical Review Letters</i>. <b>100</b> (9): 095002. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2008PhRvL.100i5002N">2008PhRvL.100i5002N</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRevLett.100.095002">10.1103/PhysRevLett.100.095002</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/18352716">18352716</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review+Letters&rft.atitle=Laser-Driven+Coherent+Betatron+Oscillation+in+a+Laser-Wakefield+Cavity&rft.volume=100&rft.issue=9&rft.pages=095002&rft.date=2008-03-04&rft_id=info%3Apmid%2F18352716&rft_id=info%3Adoi%2F10.1103%2FPhysRevLett.100.095002&rft_id=info%3Abibcode%2F2008PhRvL.100i5002N&rft.aulast=N%C3%A9meth&rft.aufirst=K%C3%A1roly&rft.au=Shen%2C+Baifei&rft.au=Li%2C+Yuelin&rft.au=Shang%2C+Hairong&rft.au=Crowell%2C+Robert&rft.au=Harkay%2C+Katherine+C.&rft.au=Cary%2C+John+R.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKatherine+Harkay" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Katherine_Harkay&action=edit&section=4" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://ops.aps.anl.gov/staffPages/harkay/">"Katherine Harkay's APS Home Page"</a>. <i>ops.aps.anl.gov</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=ops.aps.anl.gov&rft.atitle=Katherine+Harkay%27s+APS+Home+Page&rft_id=https%3A%2F%2Fops.aps.anl.gov%2FstaffPages%2Fharkay%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKatherine+Harkay" class="Z3988"></span></span> </li> <li id="cite_note-auto-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-auto_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-auto_2-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.physics.purdue.edu/alumni/outstanding_alumni/harkay.html">"Katherine Harkay: Department of Physics and Astronomy: Purdue University"</a>. <i>www.physics.purdue.edu</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.physics.purdue.edu&rft.atitle=Katherine+Harkay%3A+Department+of+Physics+and+Astronomy%3A+Purdue+University&rft_id=https%3A%2F%2Fwww.physics.purdue.edu%2Falumni%2Foutstanding_alumni%2Fharkay.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKatherine+Harkay" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.aip.org/history-programs/niels-bohr-library/oral-histories/46818">"Interview of Katherine Harkay by David Zierler on May 17, 2021"</a>. <i>www.aip.org</i>. American Institute of Physics. 4 March 2022.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.aip.org&rft.atitle=Interview+of+Katherine+Harkay+by+David+Zierler+on+May+17%2C+2021&rft.date=2022-03-04&rft_id=https%3A%2F%2Fwww.aip.org%2Fhistory-programs%2Fniels-bohr-library%2Foral-histories%2F46818&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKatherine+Harkay" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://cbb.cornell.edu/about/external-advisory-board">"External Advisory Board | The Center for Bright Beams"</a>. <i>cbb.cornell.edu</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=cbb.cornell.edu&rft.atitle=External+Advisory+Board+%26%23124%3B+The+Center+for+Bright+Beams&rft_id=https%3A%2F%2Fcbb.cornell.edu%2Fabout%2Fexternal-advisory-board&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKatherine+Harkay" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.aps.org/programs/honors/fellowships/archive-all.cfm">"APS Fellow Archive"</a>. <i>www.aps.org</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.aps.org&rft.atitle=APS+Fellow+Archive&rft_id=http%3A%2F%2Fwww.aps.org%2Fprograms%2Fhonors%2Ffellowships%2Farchive-all.cfm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKatherine+Harkay" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Katherine_Harkay&action=edit&section=5" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="official-website"><span class="url"><a rel="nofollow" class="external text" href="https://ops.aps.anl.gov/staffPages/harkay/">Official website</a></span></span></li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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