{"id":632,"date":"2024-03-14T21:56:03","date_gmt":"2024-03-14T21:56:03","guid":{"rendered":"https:\/\/live-optics-wp.pantheonsite.io\/lasso\/?page_id=632"},"modified":"2024-03-16T16:39:30","modified_gmt":"2024-03-16T16:39:30","slug":"space-geodesy-planet-exploration","status":"publish","type":"page","link":"https:\/\/wp.optics.arizona.edu\/lasso\/application\/space-geodesy-planet-exploration\/","title":{"rendered":"Space Geodesy &amp; Planet Exploration"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"632\" class=\"elementor elementor-632\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e1d2bd8 e-flex e-con-boxed e-con e-parent\" data-id=\"e1d2bd8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4a9b53d elementor-widget elementor-widget-text-editor\" data-id=\"4a9b53d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"gca-column two-thirds first\" style=\"float: left;width: 551.5px;clear: both;color: #222222;font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;font-size: 16px;font-style: normal;font-weight: 300\"><p style=\"font-size: 1rem;font-style: normal;font-weight: 400;line-height: 1.6;margin-bottom: 1.25rem\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-573  alignleft\" style=\"border-width: 0px;border-style: initial;margin-bottom: 12px\" src=\"https:\/\/lasso.engr.tamu.edu\/wp-content\/uploads\/sites\/200\/2020\/08\/space-geodesy.png\" alt=\"\" width=\"757\" height=\"483\" \/><\/p><\/div><div class=\"gca-column one-third\" style=\"float: left;margin-left: 21.4844px;width: 265px;color: #222222;font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;font-size: 16px;font-style: normal;font-weight: 300\"><div class=\"gca-utility vertical-spacer\" style=\"clear: both;margin-bottom: 30px\">\u00a0<\/div><p>\u00a0<\/p><\/div><ul style=\"margin-bottom: 28px;margin-left: 40px;color: #222222;font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;font-size: 16px;font-style: normal;font-weight: 300\"><li style=\"list-style-type: disc\">Objective: Develop and improve the design of compact micro-fabricated optomechanical accelerometers for use in future\u00a0<span style=\"font-weight: bold\">GRACE<\/span>-like mass change missions to a technology readiness level\u00a0<span style=\"font-weight: bold\">(TRL) of 4-5<\/span>.<\/li><li>Geodesy refers to measurement of the shape, orientation, and gravitational field of the Earth.<\/li><li>Having size, weight, and power (SWaP) characteristics compatible with compact spacecraft platforms such as CubeSats, miniaturized accelerometers are a promising technology for compact, cost-effective inertial sensing with observation continuity.<\/li><\/ul><p><span style=\"font-weight: bold\">Current research :<\/span><\/p><p>Using low loss materials, LASSO is developing monolithic optomechemical acceleration sensors with high sensitivities at low frequencies (10<sup>-13<\/sup> m\/ at 2 mHz to 10<sup>-15<\/sup> m\/ at 100 Hz).<\/p><p>These sensors are capable of achieving an acceleration noise floor of 4\u00d710<sup>-11<\/sup> m s<sup>-2<\/sup>\u00a0 with a high mechanical quality factor (above <em>Q<\/em> \u2248 500,000).<\/p><p>We are conducting characterization and performance measurements to check our existing models.<\/p><p>We are also developing and testing packaging of these accelerometers for a space flight instrument prototype that preserves the high mechanical quality factor.<\/p><h4 style=\"color: #500000;font-weight: bold;line-height: 1.4;margin-bottom: 0.5rem;margin-top: 0.2rem;font-size: 1.325rem;font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;font-style: normal;text-transform: none\">Researchers Involved:<\/h4><ul style=\"margin-bottom: 28px;margin-left: 40px;color: #222222;font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;font-size: 16px;font-style: normal;font-weight: 300\"><li style=\"list-style-type: disc\"><span style=\"font-weight: bold\"><span style=\"color: #006bb8\"><span style=\"background-image: initial;background-position: 0px 0px;background-size: initial;background-attachment: initial\"><a href=\"https:\/\/wp.optics.arizona.edu\/lasso\/group-members\/\">Andrea Nelson<\/a><\/span><\/span><\/span><\/li><li style=\"list-style-type: disc\"><span style=\"color: #006bb8\"><span style=\"background-image: initial;background-position: 0px 0px;background-size: initial;background-attachment: initial\"><a href=\"https:\/\/wp.optics.arizona.edu\/lasso\/group-members\/\"><strong>Felipe Guzman<\/strong><\/a><\/span><\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u00a0 \u00a0 Objective: Develop and improve the design of compact micro-fabricated optomechanical accelerometers for use in future\u00a0GRACE-like mass change missions to a technology readiness level\u00a0(TRL) of 4-5. Geodesy refers to measurement of the shape, orientation, and gravitational field of the Earth. Having size, weight, and power (SWaP) characteristics compatible with compact spacecraft platforms such as CubeSats, miniaturized accelerometers are a<\/p>\n","protected":false},"author":91,"featured_media":0,"parent":377,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-632","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/wp.optics.arizona.edu\/lasso\/wp-json\/wp\/v2\/pages\/632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.optics.arizona.edu\/lasso\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/wp.optics.arizona.edu\/lasso\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/wp.optics.arizona.edu\/lasso\/wp-json\/wp\/v2\/users\/91"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.optics.arizona.edu\/lasso\/wp-json\/wp\/v2\/comments?post=632"}],"version-history":[{"count":25,"href":"https:\/\/wp.optics.arizona.edu\/lasso\/wp-json\/wp\/v2\/pages\/632\/revisions"}],"predecessor-version":[{"id":736,"href":"https:\/\/wp.optics.arizona.edu\/lasso\/wp-json\/wp\/v2\/pages\/632\/revisions\/736"}],"up":[{"embeddable":true,"href":"https:\/\/wp.optics.arizona.edu\/lasso\/wp-json\/wp\/v2\/pages\/377"}],"wp:attachment":[{"href":"https:\/\/wp.optics.arizona.edu\/lasso\/wp-json\/wp\/v2\/media?parent=632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}