{"id":2166,"date":"2025-03-24T00:00:00","date_gmt":"2025-03-24T00:00:00","guid":{"rendered":"urn:uuid:d1703cc5-fbd9-4bcd-bd83-b6307523b92d"},"modified":"2025-03-24T00:00:00","modified_gmt":"2025-03-24T00:00:00","slug":"shi-jie-noyan-jiu-suo-univ-of-maryland-institute-for-research-in-electronics-and-applied-physics-ireap","status":"publish","type":"post","link":"https:\/\/www.sekaiken.com\/?p=2166","title":{"rendered":"\u4e16\u754c\u306e\u7814\u7a76\u6240\uff1aUniv. of Maryland, Institute for Research in Electronics and Applied Physics (IREAP)"},"content":{"rendered":"<p>\u5148\u9031\u3001CO2\u30ec\u30fc\u30b6\u30fc\u306b\u3088\u3063\u3066\u653e\u5c04\u6027\u7269\u8cea\u3092\u9060\u9694\u691c\u51fa\u3059\u308b\u6280\u8853\u306b\u3064\u3044\u3066\u306e\u8ad6\u6587\u304c\u696d\u754c\u306e\u30cb\u30e5\u30fc\u30b9\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"aHcHdFxYg0\"><p><a href=\"https:\/\/physicsworld.com\/a\/co2-laser-enables-long-range-detection-of-radioactive-material\/\">CO2 laser enables long-range detection of radioactive material<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;CO&lt;sub&gt;2&lt;\/sub&gt; laser enables long-range detection of radioactive material&#8221; &#8212; Physics World\" src=\"https:\/\/physicsworld.com\/a\/co2-laser-enables-long-range-detection-of-radioactive-material\/embed\/#?secret=ia8cBUH93e#?secret=aHcHdFxYg0\" data-secret=\"aHcHdFxYg0\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><br \/>\n\u7c73\u56fd Univ. of Maryland \u306eInstitute for Research in Electronics and Applied Physics (IREAP)\u3068\u6838\u3092\u6271\u3046\u7c73\u56fd\u306e\u56fd\u7acb\u7814\u7a76\u6240(Los Alamos, Brookheaven, Lawrence Livermore)\u306e\u5171\u540c\u7814\u7a76\u3067\u3059\u3002<br \/>\nhttps:\/\/ireap.umd.edu\/<br \/>\n\u653e\u5c04\u6027\u7269\u8cea\u306f\u96fb\u5b50\u3001\u967d\u96fb\u5b50\u3084\u03b1\u7c92\u5b50\u3092\u98db\u3070\u3057\u305f\u308a\u3001\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u30ac\u30f3\u30de\u7dda\u3092\u653e\u51fa\u3057\u305f\u308a\u3059\u308b\u306e\u3067\u5468\u56f2\u306b\u96fb\u96e2\u3057\u3084\u3059\u3044\u6c17\u4f53\uff08\u30a2\u30bb\u30c8\u30f3\u3092\u542b\u3080\u5e0c\u30ac\u30b9\u306a\u3069\uff09\u3092\u7f6e\u3044\u3066\u304a\u304f\u3068\u8377\u96fb\u7c92\u5b50\u304c\u591a\u6570\u767a\u751f\u3057\u307e\u3059\u3002\u9589\u3058\u8fbc\u3081\u305f\u6c17\u4f53\u306b\u9ad8\u5727\u306e\u96fb\u754c\u3092\u304b\u3051\u3066\u304a\u3044\u3066\u6d41\u308c\u308b\u96fb\u6d41\u3092\u691c\u51fa\u3059\u308b\u306e\u304c\u30ac\u30a4\u30ac\u30fc\u30ab\u30a6\u30f3\u30bf\u30fc\u3067\u3059\u304c\u3001\u30ac\u30a4\u30ac\u30fc\u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u8fd1\u3065\u3051\u306a\u3044\u3068\u691c\u51fa\u3067\u304d\u307e\u305b\u3093(\u4e0a\u8a18\u306b\u3088\u308b\u3068\u6700\u3082\u9060\u3056\u3051\u30661m\uff09\u3002\u5927\u91cf\u306b\u653e\u5c04\u6027\u7269\u8cea\u304c\u3042\u308b\u3068\u304d\u306b\u306f\u6e2c\u308a\u306a\u304c\u3089\u6050\u308b\u6050\u308b\u8fd1\u3065\u3044\u3066\u3044\u304f\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3067\u3001\u3053\u306e\u8ad6\u6587\u3067\u306f\u5f37\u529b\u306aCO2\u30d1\u30eb\u30b9\u30ec\u30fc\u30b6\u30fc\u3067\u7a7a\u6c17\u3092\u6253\u3064\u3068\u3001\u653e\u5c04\u6027\u7269\u8cea\u5468\u8fba\u306e\u96fb\u96e2\u3057\u305f\u7a7a\u6c17\u304c\u30d7\u30e9\u30ba\u30de\u3068\u306a\u3063\u3066\u30ec\u30fc\u30b6\u30fc\u5149\u3092\u6563\u4e71\u3059\u308b\u306e\u3067\u691c\u51fa\u3067\u304d\u308b\u3068\u3044\u3046\u3053\u3068\u3092\u5831\u544a\u3057\u3066\u3044\u307e\u3059\u3002\u30ac\u30a4\u30ac\u30fc\u30ab\u30a6\u30f3\u30bf\u30fc\u306e\u4ee3\u308f\u308a\u3092\u30ec\u30fc\u30b6\u30fc\u306e\u96fb\u5834\u304c\u3084\u3063\u3066\u96fb\u6d41\u30d1\u30eb\u30b9\u306e\u691c\u51fa\u306e\u4ee3\u308f\u308a\u306b\u5149\u3092\u898b\u308b\u308f\u3051\u3067\u3001\u3088\u3044\u7740\u60f3\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u65e5\u5149\u306e\u4e0b\u3067\u306f\u691c\u51fa\u96e3\u3057\u305d\u3046\u3067\u3059\u304c\u3001\u30d1\u30eb\u30b9\u3067\u3042\u308b\u3053\u3068\u3092\u4f7f\u3063\u3066\u6642\u9593\u5909\u5316\u3092\u307f\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u3082\u3057\u304f\u306f\u3001CO2\u30ec\u30fc\u30b6\u30fc\u306e\u6ce2\u9577\u306e\u74b0\u5883\u5149\u306f\u65e5\u5149\u306e\u4e0b\u3067\u3082\u5f31\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u4eca\u56de\u306e\u5b9f\u9a13\u3067\u306f9.2\u03bcm\u306e\u6ce2\u9577\u3092\u4f7f\u3063\u305f\u306e\u304c\u3088\u304b\u3063\u305f\u305d\u3046\u3067\u3059\u3002\u5c11\u306a\u304f\u3068\u3082\u3001\u539f\u5b50\u7089\u65bd\u8a2d\u306a\u3069\u3067\u306f\u6697\u304f\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u4f7f\u3048\u305d\u3046\u3067\u3059\u306d\u3002\u4eca\u9031\u306f\u3001\u30ec\u30fc\u30b6\u30fc\u3068\u653e\u5c04\u6027\u7269\u8cea\u306e\u95a2\u9023\u6280\u8853\u304c\u3044\u304f\u3064\u304b\u3042\u308b\u306e\u3067\u62fe\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>\u82f1\u8a9e\u306f\u3000https:\/\/physicsworld.com\/a\/co2-laser-enables-long-range-detection-of-radioactive-material\/<\/p>\n<p>&ldquo;Researchers have demonstrated that they can remotely detect radioactive material from 10 m away using short-pulse CO2 lasers \u2013 a distance over ten times farther than achieved via previous methods.&rdquo;<br \/>\nremotely \u9060\u9694\u3067<br \/>\nfarther &lt; far\u306e\u6bd4\u8f03\u7d1a\u3067\u3059<br \/>\nvia \u3053\u3053\u306f by \u3088\u308a via \u306e\u8a9e\u611f\u3067\u3059\u3002<br \/>\n&ldquo;Conventional radiation detectors, such as Geiger counters, detect particles that are emitted by the radioactive material, typically limiting their operational range to the material\u2019s direct vicinity. &rdquo;<br \/>\na Geiger counter \u30ac\u30a4\u30ac\u30fc\u30ab\u30a6\u30f3\u30bf\u30fc<br \/>\ndirect vicinity \u3054\u304f\u8fd1\u304f\u3000vicinity \u30f4\u30a3\u30b7\u30cb\u30c6\u30a3\u3000= \u8fd1\u508d<br \/>\n\u201dThe study may one day lead to remote sensing technologies that could be used in nuclear disaster response and nuclear security.\u201d<br \/>\nnuclear disaster response \u6838\u707d\u5bb3\u3078\u306e\u5bfe\u5fdc\u3000\u3000\u81ea\u5206\u3067\u306f\u3053\u3046\u66f8\u304b\u306a\u3044\u3067\u3059\u304c\u3001native\u306f\u3053\u3046\u66f8\u304f\u306e\u3067\u3059\u306d\u3002<br \/>\n&ldquo;These charged particles are typically present at very low concentrations, making them difficult to detect.&rdquo;<br \/>\npresent at very low concentrations \u975e\u5e38\u306b\u4f4e\u3044\u6fc3\u5ea6\u3067\u5b58\u5728\u3059\u308b<br \/>\nThis effect, known as \u201celectron avalanche breakdown\u201d, can create microplasmas that scatter laser light.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5148\u9031\u3001CO2\u30ec\u30fc\u30b6\u30fc\u306b\u3088\u3063\u3066\u653e\u5c04\u6027\u7269\u8cea\u3092\u9060\u9694\u691c\u51fa\u3059\u308b\u6280\u8853\u306b\u3064\u3044\u3066\u306e\u8ad6\u6587\u304c\u696d\u754c\u306e\u30cb\u30e5\u30fc\u30b9\u306b\u306a\u308a\u307e\u3057\u305f\u3002 CO2 laser enables long-range detection of radioactive material \u7c73\u56fd Univ. of Maryland \u306eInstitute for Research in Electronics and Applied Physics (IREAP)\u3068\u6838\u3092\u6271\u3046\u7c73\u56fd\u306e\u56fd\u7acb\u7814\u7a76\u6240(Los Alamos, Brookheaven, Lawrence Livermore)\u306e\u5171\u540c\u7814\u7a76\u3067\u3059\u3002 https:\/\/ireap.umd.edu\/ \u653e\u5c04\u6027\u7269\u8cea\u306f\u96fb\u5b50\u3001&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[47,42],"tags":[10,5],"class_list":["post-2166","post","type-post","status-publish","format-standard","hentry","category-worldresearchinstitutes","category-tech","tag-worldresearchinstitutes","tag-tech"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/posts\/2166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2166"}],"version-history":[{"count":0,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/posts\/2166\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}