{"id":180583,"date":"2024-01-15T21:23:56","date_gmt":"2024-01-16T03:23:56","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/01\/researchers-present-simplified-improved-scheme-for-precision-measurement-using-lasers"},"modified":"2024-01-15T21:23:56","modified_gmt":"2024-01-16T03:23:56","slug":"researchers-present-simplified-improved-scheme-for-precision-measurement-using-lasers","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/01\/researchers-present-simplified-improved-scheme-for-precision-measurement-using-lasers","title":{"rendered":"Researchers present simplified, improved scheme for precision measurement using lasers"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/researchers-present-simplified-improved-scheme-for-precision-measurement-using-lasers2.jpg\"><\/a><\/p>\n<p>Within atomic and laser physics communities, scientist John \u201cJan\u201d Hall has become a key figure in the history of laser frequency stabilization and precision measurement using lasers. Hall\u2019s work revolved around understanding and manipulating stable lasers in ways that were revolutionary for their time. His work laid a technical foundation for measuring a tiny fractional distance change brought by a passing gravitational wave. His work in laser arrays awarded him the Nobel Prize in Physics <a href=\"https:\/\/www.nist.gov\/nist-and-nobel\/jan-hall\">in 2005<\/a>.<\/p>\n<p>Building on this foundation, JILA and NIST Fellow Jun Ye and his team embarked on an ambitious journey to push the boundaries of precision measurement even further. This time, their focus turned to a specialized technique known as the Pound-Drever-Hall (PDH) method (developed by scientists R. V. Pound, Ronald Drever, and Hall himself), which plays a large role in precision optical interferometry and laser <a href=\"https:\/\/phys.org\/tags\/frequency\/\" rel=\"tag\" class=\"\">frequency<\/a> stabilization.<\/p>\n<p>While physicists have used the PDH method for decades in ensuring their laser frequency is stably \u201clocked\u201d to an artificial or quantum reference, a limitation arising from the frequency modulation process itself, called residual amplitude modulation (RAM), can still affect the stability and accuracy of the laser\u2019s measurements.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Within atomic and laser physics communities, scientist John \u201cJan\u201d Hall has become a key figure in the history of laser frequency stabilization and precision measurement using lasers. Hall\u2019s work revolved around understanding and manipulating stable lasers in ways that were revolutionary for their time. His work laid a technical foundation for measuring a tiny fractional [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1617],"tags":[],"class_list":["post-180583","post","type-post","status-publish","format-standard","hentry","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/180583","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=180583"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/180583\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=180583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=180583"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=180583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}