{"id":6884,"date":"2023-01-12T13:00:00","date_gmt":"2023-01-12T10:00:00","guid":{"rendered":"https:\/\/astrafizik.com\/?p=6884"},"modified":"2023-05-11T22:20:08","modified_gmt":"2023-05-11T19:20:08","slug":"arastirmacilar-makroskopik-nesneleri-ceken-bir-optik-cekici-isin-olusturdu","status":"publish","type":"post","link":"https:\/\/astrafizik.com\/tr\/bilim\/fizik\/arastirmacilar-makroskopik-nesneleri-ceken-bir-optik-cekici-isin-olusturdu\/","title":{"rendered":"Ara\u015ft\u0131rmac\u0131lar makroskopik nesneleri \u00e7eken bir optik \u00e7ekici \u0131\u015f\u0131n olu\u015fturdu"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/astrafizik.com\/tr\/bilim\/fizik\/arastirmacilar-makroskopik-nesneleri-ceken-bir-optik-cekici-isin-olusturdu\/#Arastirmacilar_makroskopik_nesneleri_ceken_bir_optik_cekici_isin_olusturdu\" title=\"Ara\u015ft\u0131rmac\u0131lar makroskopik nesneleri \u00e7eken bir optik \u00e7ekici \u0131\u015f\u0131n olu\u015fturdu\">Ara\u015ft\u0131rmac\u0131lar makroskopik nesneleri \u00e7eken bir optik \u00e7ekici \u0131\u015f\u0131n olu\u015fturdu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/astrafizik.com\/tr\/bilim\/fizik\/arastirmacilar-makroskopik-nesneleri-ceken-bir-optik-cekici-isin-olusturdu\/#Yeterli_guc_yaratmak\" title=\"Yeterli g\u00fc\u00e7 yaratmak\">Yeterli g\u00fc\u00e7 yaratmak<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/astrafizik.com\/tr\/bilim\/fizik\/arastirmacilar-makroskopik-nesneleri-ceken-bir-optik-cekici-isin-olusturdu\/#Tekrarlanabilir_ayarlanabilir_cekme\" title=\"Tekrarlanabilir, ayarlanabilir \u00e7ekme\">Tekrarlanabilir, ayarlanabilir \u00e7ekme<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Arastirmacilar_makroskopik_nesneleri_ceken_bir_optik_cekici_isin_olusturdu\"><\/span>Ara\u015ft\u0131rmac\u0131lar makroskopik nesneleri \u00e7eken bir optik \u00e7ekici \u0131\u015f\u0131n olu\u015fturdu<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Lazer \u00e7ekiminin mikroskobik \u00f6l\u00e7e\u011fin \u00f6tesine geni\u015fletilmesi bilimsel ve uzay uygulamalar\u0131 i\u00e7in faydal\u0131 olabilir<\/p>\n\n\n\n<p>Ara\u015ft\u0131rmac\u0131lar makroskopik bir nesneyi \u00e7ekmek i\u00e7in lazer \u0131\u015f\u0131\u011f\u0131n\u0131 kullanman\u0131n bir yolunu geli\u015ftirdiler. Mikroskobik optik \u00e7ekici \u0131\u015f\u0131nlar daha \u00f6nce g\u00f6sterilmi\u015f olsa da, bu, lazer \u00e7ekmenin daha b\u00fcy\u00fck nesneler \u00fczerinde kullan\u0131ld\u0131\u011f\u0131 ilk zamanlardan biridir.<\/p>\n\n\n\n<p>I\u015f\u0131k, kald\u0131rma ve d\u00f6nd\u00fcrme gibi \u00e7e\u015fitli optik manip\u00fclasyon t\u00fcrleri i\u00e7in kullan\u0131labilen hem enerji hem de momentum i\u00e7erir. \u00d6rne\u011fin optik c\u0131mb\u0131zlar, atomlar veya h\u00fccreler gibi k\u00fc\u00e7\u00fck nesneleri tutmak ve manip\u00fcle etmek i\u00e7in lazer \u0131\u015f\u0131\u011f\u0131n\u0131 kullanan yayg\u0131n olarak kullan\u0131lan bilimsel ara\u00e7lard\u0131r. Son on y\u0131ld\u0131r bilim insanlar\u0131 yeni bir optik manip\u00fclasyon t\u00fcr\u00fc \u00fczerinde \u00e7al\u0131\u015f\u0131yorlar: nesneleri \u00e7ekebilecek bir optik \u00e7ekici \u0131\u015f\u0131n olu\u015fturmak i\u00e7in lazer \u0131\u015f\u0131\u011f\u0131 kullanmak.<\/p>\n\n\n\n<p>\u00c7in&#8217;deki QingDao Bilim ve Teknoloji \u00dcniversitesi&#8217;nden ara\u015ft\u0131rma ekibi \u00fcyesi Lei Wang, &#8220;\u00d6nceki \u00e7al\u0131\u015fmalarda, \u0131\u015f\u0131k \u00e7ekme kuvveti makroskopik bir nesneyi \u00e7ekmek i\u00e7in \u00e7ok k\u00fc\u00e7\u00fckt\u00fc&#8221; dedi. &#8220;Yeni yakla\u015f\u0131m\u0131m\u0131zla, \u0131\u015f\u0131k \u00e7ekme kuvveti \u00e7ok daha b\u00fcy\u00fck bir genli\u011fe sahip. Asl\u0131nda, k\u00fc\u00e7\u00fck bir itme kuvveti uygulamak i\u00e7in fotonlar\u0131n momentumunu kullanan bir g\u00fcne\u015f yelkenini tahrik etmek i\u00e7in kullan\u0131lan \u0131\u015f\u0131k bas\u0131nc\u0131ndan \u00fc\u00e7 kat daha b\u00fcy\u00fckt\u00fcr.&#8221;<\/p>\n\n\n\n<p>Optica Publishing Group dergisi Optics Express&#8217;te Wang ve meslekta\u015flar\u0131, tasarlad\u0131klar\u0131 makroskopik grafen-SiO2 kompozit nesnelerin seyrek gaz ortam\u0131nda lazer \u00e7ekimi i\u00e7in kullan\u0131labilece\u011fini g\u00f6steriyor. Bu t\u00fcr bir ortam atmosferik bas\u0131n\u00e7tan \u00e7ok daha d\u00fc\u015f\u00fck bir bas\u0131nca sahiptir.<\/p>\n\n\n\n<p>Wang, &#8220;Tekni\u011fimiz, \u00e7e\u015fitli bilimsel deneyler i\u00e7in yararl\u0131 olabilecek temass\u0131z ve uzun mesafeli bir \u00e7ekme yakla\u015f\u0131m\u0131 sa\u011fl\u0131yor&#8221; dedi. &#8220;Tekni\u011fi g\u00f6stermek i\u00e7in kulland\u0131\u011f\u0131m\u0131z seyreltilmi\u015f gaz ortam\u0131 <a class=\"wpil_keyword_link\" href=\"https:\/\/astrafizik.com\/tr\/bilim\/soylesi-kosesi\/soylesi-kosesi-mars-hakkinda-bir-sohbet\/\" title=\"Mars\" data-wpil-keyword-link=\"linked\">Mars<\/a>&#8216;ta bulunana benziyor. Bu nedenle, bir g\u00fcn Mars&#8217;taki ara\u00e7lar\u0131 veya u\u00e7aklar\u0131 manip\u00fcle etme potansiyeline sahip olabilir.&#8221;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-yeterli-guc-yaratmak\"><span class=\"ez-toc-section\" id=\"Yeterli_guc_yaratmak\"><\/span>Yeterli g\u00fc\u00e7 yaratmak<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Yeni \u00e7al\u0131\u015fmada ara\u015ft\u0131rmac\u0131lar, \u00f6zellikle lazer \u00e7ekimi i\u00e7in \u00f6zel bir grafen-SiO2 kompozit yap\u0131s\u0131 tasarlad\u0131lar. Bir lazerle \u0131\u015f\u0131nland\u0131\u011f\u0131nda, yap\u0131 tersine \u00e7evrilmi\u015f bir s\u0131cakl\u0131k fark\u0131 yarat\u0131r, yani lazerden uza\u011fa bakan taraf daha s\u0131cak olur.<\/p>\n\n\n\n<p>Grafen-SiO2 kompozit yap\u0131s\u0131ndan yap\u0131lan nesneler bir lazer \u0131\u015f\u0131n\u0131 ile \u0131\u015f\u0131nland\u0131\u011f\u0131nda, arka taraflar\u0131ndaki gaz molek\u00fclleri daha fazla enerji al\u0131r ve nesneyi \u0131\u015f\u0131k kayna\u011f\u0131na do\u011fru iter. Bunu, nadir gaz ortam\u0131n\u0131n d\u00fc\u015f\u00fck hava bas\u0131nc\u0131yla birle\u015ftirmek, ara\u015ft\u0131rmac\u0131lar\u0131n makroskopik nesneleri hareket ettirecek kadar g\u00fc\u00e7l\u00fc bir lazer \u00e7ekme kuvveti elde etmelerini sa\u011flad\u0131.<\/p>\n\n\n\n<p>Ara\u015ft\u0131rmac\u0131lar, grafen-SiO2 kompozit yap\u0131lar\u0131ndan yap\u0131lm\u0131\u015f bir burulma &#8211; ya da d\u00f6nme &#8211; sarka\u00e7 cihaz\u0131 kullanarak, lazer \u00e7ekme fenomenini \u00e7\u0131plak g\u00f6zle g\u00f6r\u00fclebilecek \u015fekilde g\u00f6sterdiler. Daha sonra lazer \u00e7ekme kuvvetini nicel olarak \u00f6l\u00e7mek i\u00e7in geleneksel bir yer\u00e7ekimi sarkac\u0131 kulland\u0131lar. Her iki cihaz da yakla\u015f\u0131k be\u015f santimetre uzunlu\u011fundayd\u0131.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tekrarlanabilir_ayarlanabilir_cekme\"><\/span>Tekrarlanabilir, ayarlanabilir \u00e7ekme<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Wang, &#8220;\u00c7ekme kuvvetinin \u0131\u015f\u0131k bas\u0131nc\u0131ndan \u00fc\u00e7 kat daha b\u00fcy\u00fck oldu\u011funu g\u00f6rd\u00fck&#8221; dedi. &#8220;Buna ek olarak, lazerle \u00e7ekme tekrarlanabilir ve kuvvet lazer g\u00fcc\u00fc de\u011fi\u015ftirilerek ayarlanabilir.&#8221;<\/p>\n\n\n\n<p>Ara\u015ft\u0131rmac\u0131lar, bu \u00e7al\u0131\u015fman\u0131n yaln\u0131zca bir kavram kan\u0131t\u0131 oldu\u011fu ve tekni\u011fin pratik olabilmesi i\u00e7in bir\u00e7ok y\u00f6n\u00fcn\u00fcn geli\u015ftirilmesi gerekti\u011fi konusunda uyar\u0131yor. \u00d6rne\u011fin, nesnenin geometrisi, lazer enerjisi ve \u00e7evreleyen ortam dahil olmak \u00fczere verilen parametreler i\u00e7in lazer \u00e7ekme kuvvetini do\u011fru bir \u015fekilde tahmin etmek i\u00e7in sistematik bir teorik modele ihtiya\u00e7 vard\u0131r. Ayr\u0131ca lazer \u00e7ekme stratejisini daha geni\u015f bir hava bas\u0131nc\u0131 aral\u0131\u011f\u0131nda \u00e7al\u0131\u015fabilecek \u015fekilde geli\u015ftirmek istiyorlar.<\/p>\n\n\n\n<p>Wang, &#8220;\u00c7al\u0131\u015fmam\u0131z, \u0131\u015f\u0131k, nesne ve ortam aras\u0131ndaki etkile\u015fimler dikkatlice kontrol edildi\u011finde makroskopik bir nesnenin esnek \u0131\u015f\u0131k manip\u00fclasyonunun m\u00fcmk\u00fcn oldu\u011funu g\u00f6steriyor&#8221; dedi. &#8220;Ayn\u0131 zamanda lazer-madde etkile\u015fimlerinin karma\u015f\u0131kl\u0131\u011f\u0131n\u0131 ve bir\u00e7ok olgunun hem makro hem de mikro \u00f6l\u00e7eklerde anla\u015f\u0131lmaktan uzak oldu\u011funu g\u00f6steriyor.&#8221;<\/p>\n\n\n\n<p>Kaynak: <a href=\"https:\/\/www.sciencedaily.com\/releases\/2023\/01\/230111150810.htm\" rel=\"nofollow noopener\" target=\"_blank\">https:\/\/www.sciencedaily.com\/releases\/2023\/01\/230111150810.htm<\/a><\/p>\n\n\n\n<p>Bu yaz\u0131\u00a0Astrafizik.com\u00a0taraf\u0131ndan T\u00fcrk\u00e7eye aktar\u0131lm\u0131\u015f olup yaz\u0131n\u0131n asl\u0131\u00a0sciencedaily.com\u00a0sitesine aittir, orijinaline m\u00fcmk\u00fcn oldu\u011funca sad\u0131k kalmak ko\u015fuluyla dilimize \u00e7evirilmis olsa da editoryal taraf\u0131ndan katk\u0131larda bulunulmu\u015ftur. Bu sebeple Astrafizik.com i\u00e7erik izinlerine tabidir.\u00a0Astrafizik.com\u00a0referans g\u00f6sterilmek ko\u015fuluyla 3. taraflar\u0131n kullan\u0131m\u0131na izin verilmi\u015ftir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ara\u015ft\u0131rmac\u0131lar makroskopik nesneleri \u00e7eken bir optik \u00e7ekici \u0131\u015f\u0131n olu\u015fturdu Lazer \u00e7ekiminin mikroskobik \u00f6l\u00e7e\u011fin \u00f6tesine geni\u015fletilmesi bilimsel ve uzay uygulamalar\u0131 i\u00e7in faydal\u0131 olabilir Ara\u015ft\u0131rmac\u0131lar makroskopik bir nesneyi \u00e7ekmek i\u00e7in lazer \u0131\u015f\u0131\u011f\u0131n\u0131 kullanman\u0131n bir yolunu geli\u015ftirdiler. Mikroskobik optik \u00e7ekici \u0131\u015f\u0131nlar daha \u00f6nce g\u00f6sterilmi\u015f olsa da, bu, lazer \u00e7ekmenin daha b\u00fcy\u00fck nesneler \u00fczerinde kullan\u0131ld\u0131\u011f\u0131 ilk zamanlardan biridir. I\u015f\u0131k, [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":6885,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"tdm_status":"","tdm_grid_status":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[10],"tags":[],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/astrafizik.com\/wp-content\/uploads\/2023\/01\/2016_03_23-esen_laserpinzette_dg_04.webp?fit=804%2C536&ssl=1","amp_enabled":true,"_links":{"self":[{"href":"https:\/\/astrafizik.com\/wp-json\/wp\/v2\/posts\/6884"}],"collection":[{"href":"https:\/\/astrafizik.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/astrafizik.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/astrafizik.com\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/astrafizik.com\/wp-json\/wp\/v2\/comments?post=6884"}],"version-history":[{"count":0,"href":"https:\/\/astrafizik.com\/wp-json\/wp\/v2\/posts\/6884\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrafizik.com\/wp-json\/wp\/v2\/media\/6885"}],"wp:attachment":[{"href":"https:\/\/astrafizik.com\/wp-json\/wp\/v2\/media?parent=6884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrafizik.com\/wp-json\/wp\/v2\/categories?post=6884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrafizik.com\/wp-json\/wp\/v2\/tags?post=6884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}