{"id":585,"date":"2018-05-15T22:14:36","date_gmt":"2018-05-15T22:14:36","guid":{"rendered":"http:\/\/www.clowersresearch.com\/main\/?p=585"},"modified":"2018-05-15T23:44:56","modified_gmt":"2018-05-15T23:44:56","slug":"ion-gates-where-were-going-we-dont-need-ion-gates","status":"publish","type":"post","link":"http:\/\/www.clowersresearch.com\/main\/ion-gates-where-were-going-we-dont-need-ion-gates\/","title":{"rendered":"Ion Gates?! Where we&#8217;re going we don&#8217;t need ion gates!"},"content":{"rendered":"<p><a href=\"http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Schematic_v2.png\"><img loading=\"lazy\" class=\"aligncenter wp-image-587\" src=\"http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Schematic_v2-300x193.png\" alt=\"\" width=\"600\" height=\"386\" srcset=\"http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Schematic_v2-300x193.png 300w, http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Schematic_v2-768x494.png 768w, http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Schematic_v2-233x150.png 233w, http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Schematic_v2-150x96.png 150w, http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Schematic_v2.png 1012w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p style=\"text-align: left;\">Ion gating remains a critical aspect of drift tube IMS experiment and a range of clever approaches have been used the past.\u00a0 However, most techniques use a physical grid to modulate the ion beam. In collaboration with Steve Kenyon and Keith Gendreau we&#8217;ve adapted a modulated x-ray source to printed circuit board IMS.\u00a0 Though there is still room for improvement, the initial results look quite promising.\u00a0 Interestingly, because the source is now located orthogonal to the drift axis, a new term is added to the descriptors of peak width.\u00a0 What we&#8217;re most excited about, however, is the fact that because we no longer have a physical ion gate, some of the capacitive coupling during the pulsing of a standard ion gate is now effectively eliminated&#8211;enter artifact-free multiplexing&#8230;<\/p>\n<p><a href=\"http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Pulse_Width_Variation_12.5_200_us_500um.png\"><img loading=\"lazy\" class=\"alignleft wp-image-586\" src=\"http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Pulse_Width_Variation_12.5_200_us_500um-300x171.png\" alt=\"\" width=\"600\" height=\"343\" srcset=\"http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Pulse_Width_Variation_12.5_200_us_500um-300x171.png 300w, http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Pulse_Width_Variation_12.5_200_us_500um-768x439.png 768w, http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Pulse_Width_Variation_12.5_200_us_500um-250x143.png 250w, http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Pulse_Width_Variation_12.5_200_us_500um-150x86.png 150w, http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Pulse_Width_Variation_12.5_200_us_500um.png 1008w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ion gating remains a critical aspect of drift tube IMS experiment and a range of clever approaches have been used the past.\u00a0 However, most techniques use a physical grid to modulate the ion beam. In collaboration with Steve Kenyon and Keith Gendreau we&#8217;ve adapted a modulated x-ray source to printed circuit board IMS.\u00a0 Though there [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":587,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[7,17,12],"tags":[],"jetpack_featured_media_url":"http:\/\/www.clowersresearch.com\/main\/wp-content\/uploads\/2018\/05\/Schematic_v2.png","_links":{"self":[{"href":"http:\/\/www.clowersresearch.com\/main\/wp-json\/wp\/v2\/posts\/585"}],"collection":[{"href":"http:\/\/www.clowersresearch.com\/main\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.clowersresearch.com\/main\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.clowersresearch.com\/main\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.clowersresearch.com\/main\/wp-json\/wp\/v2\/comments?post=585"}],"version-history":[{"count":5,"href":"http:\/\/www.clowersresearch.com\/main\/wp-json\/wp\/v2\/posts\/585\/revisions"}],"predecessor-version":[{"id":592,"href":"http:\/\/www.clowersresearch.com\/main\/wp-json\/wp\/v2\/posts\/585\/revisions\/592"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.clowersresearch.com\/main\/wp-json\/wp\/v2\/media\/587"}],"wp:attachment":[{"href":"http:\/\/www.clowersresearch.com\/main\/wp-json\/wp\/v2\/media?parent=585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.clowersresearch.com\/main\/wp-json\/wp\/v2\/categories?post=585"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.clowersresearch.com\/main\/wp-json\/wp\/v2\/tags?post=585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}