{"id":206136,"date":"2024-02-16T01:08:37","date_gmt":"2024-02-16T01:08:37","guid":{"rendered":"https:\/\/michigandigitalnews.com\/index.php\/2024\/02\/16\/lasers-smaller-than-a-human-hair-emit-doughnut-shaped-light\/"},"modified":"2025-06-25T17:21:50","modified_gmt":"2025-06-25T17:21:50","slug":"lasers-smaller-than-a-human-hair-emit-doughnut-shaped-light","status":"publish","type":"post","link":"https:\/\/michigandigitalnews.com\/index.php\/2024\/02\/16\/lasers-smaller-than-a-human-hair-emit-doughnut-shaped-light\/","title":{"rendered":"Lasers smaller than a human hair emit doughnut-shaped light"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"\">\n<figure class=\"article-image-inline ArticleImage\" data-method=\"caption-shortcode\">\n<div class=\"ArticleImage__Wrapper\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/images.newscientist.com\/wp-content\/uploads\/2024\/02\/15164040\/SEI_191604492.jpg?width=1200\" srcset=\"https:\/\/images.newscientist.com\/wp-content\/uploads\/2024\/02\/15164040\/SEI_191604492.jpg?width=100 100w, https:\/\/images.newscientist.com\/wp-content\/uploads\/2024\/02\/15164040\/SEI_191604492.jpg?width=200 200w, https:\/\/images.newscientist.com\/wp-content\/uploads\/2024\/02\/15164040\/SEI_191604492.jpg?width=249 249w, https:\/\/images.newscientist.com\/wp-content\/uploads\/2024\/02\/15164040\/SEI_191604492.jpg?width=300 300w, https:\/\/images.newscientist.com\/wp-content\/uploads\/2024\/02\/15164040\/SEI_191604492.jpg?width=400 400w, https:\/\/images.newscientist.com\/wp-content\/uploads\/2024\/02\/15164040\/SEI_191604492.jpg?width=500 500w, https:\/\/images.newscientist.com\/wp-content\/uploads\/2024\/02\/15164040\/SEI_191604492.jpg?width=600 600w, https:\/\/images.newscientist.com\/wp-content\/uploads\/2024\/02\/15164040\/SEI_191604492.jpg?width=700 700w, https:\/\/images.newscientist.com\/wp-content\/uploads\/2024\/02\/15164040\/SEI_191604492.jpg?width=800 800w, https:\/\/images.newscientist.com\/wp-content\/uploads\/2024\/02\/15164040\/SEI_191604492.jpg?width=900 900w\" class=\"image size-full wp-image-2417499 ReplaceImageLazyload\" sizes=\"(min-width: 1130px) 900px, (min-width: 1025px) 900, (min-width: 768px) calc(100vw - 30px), calc(100vw - 30px)\" alt=\"Schematic image of GaN hollow nanowires on a sapphire substrate.\" width=\"1350\" height=\"900\" data-credit=\"Masato Takiguchi et al.\/ACS Photonics\/American Chemical Society 2024\" data-caption=\"An artist\u2019s impression of a hollow nanowire emitting doughnut-shaped laser light\"\/><\/div><figcaption class=\"ArticleImageCaption\">\n<div class=\"ArticleImageCaption__CaptionWrapper\">\n<p class=\"ArticleImageCaption__Title\">An artist\u2019s impression of a hollow nanowire emitting doughnut-shaped laser light<\/p>\n<p class=\"ArticleImageCaption__Credit\">Masato Takiguchi et al.\/ACS Photonics\/American Chemical Society 2024<\/p>\n<\/div>\n<\/figcaption><\/figure>\n<\/p>\n<p>Tiny, hollow wires can produce doughnut-shaped <a href=\"https:\/\/www.newscientist.com\/article-topic\/lasers\/\">laser light<\/a> that could be used to levitate small objects or transmit information.<\/p>\n<p>Conventional lasers typically make beams that appear as a single, small point of light when they hit a surface. But for some novel communication technologies that use light to transfer information, it can be better to use lasers that produce hollow beams like a drinking straw, which appear as a ring of light when they hit a surface.<\/p>\n<p>Such hollow laser\u2026<\/p>\n<\/p><\/div>\n<p>[ad_2]<br \/>\n<br \/><a href=\"https:\/\/www.newscientist.com\/article\/2417354-lasers-smaller-than-a-human-hair-emit-doughnut-shaped-light\/?utm_campaign=RSS%7CNSNS&#038;utm_source=NSNS&#038;utm_medium=RSS&#038;utm_content=home\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] An artist\u2019s impression of a hollow nanowire emitting doughnut-shaped laser light Masato Takiguchi et al.\/ACS Photonics\/American Chemical Society 2024 Tiny, hollow wires can produce<\/p>\n","protected":false},"author":1,"featured_media":206137,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[177],"tags":[],"_links":{"self":[{"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/posts\/206136"}],"collection":[{"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/comments?post=206136"}],"version-history":[{"count":2,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/posts\/206136\/revisions"}],"predecessor-version":[{"id":343835,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/posts\/206136\/revisions\/343835"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/media\/206137"}],"wp:attachment":[{"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/media?parent=206136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/categories?post=206136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/tags?post=206136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}