{"id":102,"date":"2016-08-19T19:30:14","date_gmt":"2016-08-19T19:30:14","guid":{"rendered":"https:\/\/live-optics-wp.pantheonsite.io\/jcwyant\/?page_id=102"},"modified":"2019-09-14T17:04:04","modified_gmt":"2019-09-14T17:04:04","slug":"rd-interests","status":"publish","type":"page","link":"https:\/\/wp.optics.arizona.edu\/jcwyant\/rd-interests\/","title":{"rendered":"R&amp;D Interests"},"content":{"rendered":"<p>My major research and development interests involve using old technology, interferometry, and new technology, computers and modern electronics, to produce &#8220;state of the art&#8221; instruments for solving metrology problems in many industries including:<\/p>\n<ul>\n<li>Data Storage<\/li>\n<li>Semiconductor<\/li>\n<li>Machine Tool<\/li>\n<li>Optical Fabrication<\/li>\n<li>Fiber Optics<\/li>\n<li>Biomedical<\/li>\n<li>Printing<\/li>\n<\/ul>\n<p>Interferometry is incredible. Not only does interferometry give you extremely interesting things to look at, but it is awesome in its ability to perform measurements ranging from the sub-Angstrom level, to millions of miles. Some of the interferometry developments I have been involved with include:<\/p>\n<ul>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/published-papers\/computer-generated-holograms-for-optical-testing\/\">Computer generated hologram testing of aspheric surfaces<\/a> (1968)<\/li>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/published-papers\/adaptive-optics\/\">Use of shearing interferometry as a wavefront sensor in the correction of atmospheric turbulence<\/a> (1970)<\/li>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/published-papers\/phase-shifting-interferometry\/\">Early development of phase-shifting interferometry<\/a> (1970)<\/li>\n<li>Early user-friendly, graphics intensive, software for analysis of interferograms (1982)<\/li>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/published-papers\/two-wavelength-holography\/\">Development of computerized optical profilometer for measurement of smooth surfaces in Angstrom range<\/a> (1982)<\/li>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/published-papers\/computerized-optical-profiler\/\">Development of computerized interferometer for measuring optical wavefronts<\/a> (1983)<\/li>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/published-papers\/two-wavelength-holography\/\">Development of two-wavelength interferometric techniques for extending the dynamic range of interferometric measurements<\/a> (1985)<\/li>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/published-papers\/computerized-optical-profiler\/\">Development of computerized interference microscope to measure magnetic recording disks and heads and thus greatly helping the data storage industry develop better hard disk drives<\/a> (1989)<\/li>\n<li>Development of computerized interferometric profiler using coherence peak sensing techniques to measure much rougher surfaces than could be previously measured (1993)\n<ul>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/wp-content\/uploads\/sites\/13\/2016\/08\/Fringe-Modulation-Skewing-Effect-in-White-Light-Vertical-Scanning-Interferometry.pdf\">Fringe modulation skewing effect in white-light\u00a0vertical scanning interferometry<\/a>\u00a0(2000)<\/li>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/wp-content\/uploads\/sites\/13\/2016\/08\/Improved-Vertical-Scanning-Interferometry.pdf\">Improved vertical-scanning interferometry<\/a>\u00a0(2000)<\/li>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/wp-content\/uploads\/sites\/13\/2016\/08\/Offset-of-Coherent-Envelope-Position-Due-to-Phase-Change-on-Reflection.pdf\">Offset of coherent envelope position due to phase change on reflection<\/a>\u00a0(2001)<\/li>\n<\/ul>\n<\/li>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/wp-content\/uploads\/sites\/13\/2016\/08\/Surfconf97.pdf\">Development of interferometric stitching techniques for giving high spatial resolution surface microstructure measurements over a large field-of-view<\/a> (1996)<\/li>\n<li>Interferometric metrology having reduced sensitivity to vibration (2000)\n<ul>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/wp-content\/uploads\/sites\/13\/2016\/08\/Phase-ShiftingBirefringentScatterplateInterferometer-1.pdf\">Phase-shifting birefringent scatterplate interferometer<\/a>\u00a0(2002)<\/li>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/wp-content\/uploads\/sites\/13\/2016\/08\/ReducedSensitivitytoVibration.pdf\">Advances in interferometric metrology<\/a>\u00a0(2003)<\/li>\n<li><a href=\"http:\/\/wp.optics.arizona.edu\/jcwyant\/wp-content\/uploads\/sites\/13\/2016\/08\/PixelatedPhase-Mask-DynamicInterferometer.pdf\">Pixelated phase-mask dynamic interferometer<\/a>\u00a0(2004)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>My major research and development interests involve using old technology, interferometry, and new technology, computers and modern electronics, to produce &#8220;state of the art&#8221; instruments for solving metrology problems in many industries including: Data Storage Semiconductor Machine Tool Optical Fabrication Fiber Optics Biomedical Printing Interferometry is incredible. Not only does interferometry give you extremely interesting things to look at, but<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-102","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/wp.optics.arizona.edu\/jcwyant\/wp-json\/wp\/v2\/pages\/102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.optics.arizona.edu\/jcwyant\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/wp.optics.arizona.edu\/jcwyant\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/wp.optics.arizona.edu\/jcwyant\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.optics.arizona.edu\/jcwyant\/wp-json\/wp\/v2\/comments?post=102"}],"version-history":[{"count":10,"href":"https:\/\/wp.optics.arizona.edu\/jcwyant\/wp-json\/wp\/v2\/pages\/102\/revisions"}],"predecessor-version":[{"id":1838,"href":"https:\/\/wp.optics.arizona.edu\/jcwyant\/wp-json\/wp\/v2\/pages\/102\/revisions\/1838"}],"wp:attachment":[{"href":"https:\/\/wp.optics.arizona.edu\/jcwyant\/wp-json\/wp\/v2\/media?parent=102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}