{"id":224303,"date":"2025-10-31T06:27:10","date_gmt":"2025-10-31T11:27:10","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/10\/spectral-shaper-sculpts-10000-laser-comb-lines-for-exoplanet-detection-and-beyond"},"modified":"2025-10-31T06:27:10","modified_gmt":"2025-10-31T11:27:10","slug":"spectral-shaper-sculpts-10000-laser-comb-lines-for-exoplanet-detection-and-beyond","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/10\/spectral-shaper-sculpts-10000-laser-comb-lines-for-exoplanet-detection-and-beyond","title":{"rendered":"Spectral shaper sculpts 10,000 laser comb lines for exoplanet detection and beyond"},"content":{"rendered":"<p><\/p>\n<p><iframe style=\"display: block; margin: 0 auto; width: 100%; aspect-ratio: 4\/3; object-fit: contain;\" src=\"https:\/\/www.youtube.com\/embed\/Vij1S-OIuTQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Researchers have developed a new technology that can shape the spectrum of light emitted from a laser frequency comb across the visible and near-infrared wavelengths with more precision than previously possible. This advance could provide an important new tool in the hunt for Earth-like planets outside our solar system.<\/p>\n<p>When searching for exoplanets, astronomers use high-precision spectroscopy to detect tiny shifts in starlight that reveal a star\u2019s subtle \u201cwobble\u201d due to an orbiting planet. But for Earth-sized planets, these wavelength changes are smaller than the spectrograph\u2019s natural instabilities, so laser frequency combs\u2014lasers that emit thousands of evenly spaced <a href=\"https:\/\/phys.org\/tags\/spectral+lines\/\" rel=\"tag\" class=\"\">spectral lines <\/a>\u2014are needed to provide a reference, acting like precise wavelength rulers.<\/p>\n<p>\u201cFor astronomers, the big prize would be to find a planet with a mass similar to Earth and orbiting a star similar to our sun,\u201d said research team leader Derryck T. Reid, from Heriot-Watt University in the U.K. \u201cOur spectral shaper can make the lines on a <a href=\"https:\/\/phys.org\/tags\/laser+frequency+comb\/\" rel=\"tag\" class=\"\">laser frequency comb<\/a> more uniform, which allows the spectrograph to detect smaller stellar motions, such as those from Earth-like planets, that would otherwise be hidden in the noise.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers have developed a new technology that can shape the spectrum of light emitted from a laser frequency comb across the visible and near-infrared wavelengths with more precision than previously possible. This advance could provide an important new tool in the hunt for Earth-like planets outside our solar system. When searching for exoplanets, astronomers use [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-224303","post","type-post","status-publish","format-standard","hentry","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224303","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=224303"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224303\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=224303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=224303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=224303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}