{"id":208807,"date":"2024-03-21T14:07:33","date_gmt":"2024-03-21T14:07:33","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%9e%90%ec%9c%a0-%ec%a0%84%ec%9e%90-%eb%a0%88%ec%9d%b4%ec%a0%80fel-%ea%b3%b5%ec%8b%9d-%ea%b0%9c%ec%9a%94-%eb%b0%8f-%ed%99%9c%ec%9a%a9\/"},"modified":"2024-05-15T11:33:23","modified_gmt":"2024-05-15T11:33:23","slug":"%ec%9e%90%ec%9c%a0-%ec%a0%84%ec%9e%90-%eb%a0%88%ec%9d%b4%ec%a0%80fel-%ea%b3%b5%ec%8b%9d-%ea%b0%9c%ec%9a%94-%eb%b0%8f-%ed%99%9c%ec%9a%a9","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%9e%90%ec%9c%a0-%ec%a0%84%ec%9e%90-%eb%a0%88%ec%9d%b4%ec%a0%80fel-%ea%b3%b5%ec%8b%9d-%ea%b0%9c%ec%9a%94-%eb%b0%8f-%ed%99%9c%ec%9a%a9\/","title":{"rendered":"\uc790\uc720 \uc804\uc790 \ub808\uc774\uc800(FEL) \uacf5\uc2dd | \uac1c\uc694 \ubc0f \ud65c\uc6a9"},"content":{"rendered":"<p class=\"sidekick\">\uc790\uc720 \uc804\uc790 \ub808\uc774\uc800(FEL)\ub294 \uc9c4\uacf5 \uc0c1\ud0dc\uc758 \uc790\uc720\ub86d\uac8c \uc774\ub3d9\ud558\ub294 \uc804\uc790\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc591\ud55c \ud30c\uc7a5\uc758 \uac15\ub825\ud55c \ub808\uc774\uc800 \uad11\uc744 \uc0dd\uc131\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc790\uc720 \uc804\uc790 \ub808\uc774\uc800(Free Electron Laser, FEL) \uac1c\uc694<\/h2>\n<p>\uc790\uc720 \uc804\uc790 \ub808\uc774\uc800(Free Electron Laser, \uc774\ud558 FEL)\ub294 \uc804\uc790\ub97c \uc774\uc6a9\ud558\uc5ec \ub9e4\uc6b0 \uac15\ub825\ud558\uace0 \ud2b9\uc815\ud55c \ud30c\uc7a5\uc758 \ub808\uc774\uc800 \uad11\uc744 \uc0dd\uc131\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \ub808\uc774\uc800\uac00 \ubb3c\uc9c8 \ub0b4\uc758 \uc6d0\uc790\ub098 \ubd84\uc790\uc758 \uc5d0\ub108\uc9c0 \uc900\uc704 \uc0ac\uc774\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc804\uc790\uc758 \uc804\uc774\ub97c \uc774\uc6a9\ud558\ub294 \uac83\uacfc \ub2ec\ub9ac, FEL\uc740 \uc9c4\uacf5 \uc0c1\ud0dc\uc5d0\uc11c \uc790\uc720\ub86d\uac8c \uc774\ub3d9\ud558\ub294 \uc804\uc790\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774 \ud2b9\uc131 \ub54c\ubb38\uc5d0 FEL\uc740 \ub9e4\uc6b0 \ub2e4\uc591\ud55c \ud30c\uc7a5 \ubc94\uc704\uc5d0\uc11c \uad11\uc744 \uc0dd\uc131\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \uacfc\ud559 \uc5f0\uad6c\uc5d0\uc11c\ubd80\ud130 \uc758\ub8cc, \uc0b0\uc5c5 \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uc751\uc6a9\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc791\ub3d9 \uc6d0\ub9ac<\/h2>\n<p>FEL\uc740 \uc804\uc790\uac00 \uc790\uae30\uc7a5\uc758 \uc601\ud5a5\uc744 \ubc1b\uc544 \uc9c4\ub3d9\ud558\ub294 \uacfc\uc815\uc5d0\uc11c \uad11(\ube5b)\uc744 \ubc29\ucd9c\ud558\ub294 \uc6d0\ub9ac\ub97c \uc774\uc6a9\ud569\ub2c8\ub2e4. \uc804\uc790\ub294 \uac00\uc18d\uae30\ub97c \ud1b5\ud574 \uac70\uc758 \ube5b\uc758 \uc18d\ub3c4\uae4c\uc9c0 \uac00\uc18d\ub41c \ud6c4, \ud2b9\ubcc4\ud788 \uc124\uacc4\ub41c \uc790\uae30 \uad6c\uc870\uc778 \uc544\ubaa9(wiggler) \ub610\ub294 \uc5b8\ub4c8\ub808\uc774\ud130(undulator)\ub97c \ud1b5\uacfc\ud558\uac8c \ub429\ub2c8\ub2e4. \uc774 \uc790\uae30 \uad6c\uc870\ub294 \uc804\uc790\uc758 \uacbd\ub85c\ub97c \uc8fc\uae30\uc801\uc73c\ub85c \ubcc0\ud654\uc2dc\ucf1c \uc804\uc790\uac00 \uc9c4\ub3d9\ud558\uba74\uc11c \uad11\uc790\ub97c \ubc29\ucd9c\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<p>\ubc29\ucd9c\ub41c \uad11\uc790\ub4e4\uc740 \uc804\uc790\uc758 \uc9c4\ub3d9 \ubc29\ud5a5\uacfc \ub3d9\uc77c\ud55c \ubc29\ud5a5\uc73c\ub85c \uc9c4\ud589\ub418\uba70, \uc8fc\uae30\uc801\uc73c\ub85c \ubc30\uc5f4\ub41c \uc790\uae30 \uad6c\uc870\ub85c \uc778\ud574 \uac15\ud654\ub41c\ub2e4\ub294 \ud2b9\uc9d5\uc744 \uac00\uc9d1\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \uc0dd\uc131\ub41c \ube5b\uc758 \ud30c\uc7a5\uc740 \uc544\ubaa9\uc774\ub098 \uc5b8\ub4c8\ub808\uc774\ud130\uc758 \uc8fc\uae30\uc640 \uc804\uc790\uc758 \uc5d0\ub108\uc9c0\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc218\ud559\uc801 \ud45c\ud604<\/h2>\n<p>FEL\uc758 \uc791\ub3d9 \uc6d0\ub9ac\ub97c \uc218\ud559\uc801\uc73c\ub85c \uc124\uba85\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc5ec\ub7ec \uac00\uc9c0 \ubcc0\uc218\uac00 \uad00\ub828\ub429\ub2c8\ub2e4. \uac00\uc7a5 \uc911\uc694\ud55c \uacf5\uc2dd \uc911 \ud558\ub098\ub294 \ucd9c\ub825 \ub808\uc774\uc800\uc758 \ud30c\uc7a5(\\(\\lambda\\))\uc744 \uacc4\uc0b0\ud558\ub294 \uacf5\uc2dd\uc785\ub2c8\ub2e4:<\/p>\n<pre>\\[\n\\lambda = \\frac{\\lambda_u}{2\\gamma^2} (1 + \\frac{K^2}{2})\n\\]<\/pre>\n<p>\uc5ec\uae30\uc11c \\(\\lambda_u\\)\ub294 \uc544\ubaa9 \ub610\ub294 \uc5b8\ub4c8\ub808\uc774\ud130\uc758 \uc8fc\uae30, \\(\\gamma\\)\ub294 \uc804\uc790\uc758 \uc0c1\ub300\ub860\uc801 \ub85c\ub7f0\uce20 \uc778\uc790(\uc804\uc790\uc758 \uc5d0\ub108\uc9c0\uc640 \uc9c8\ub7c9\uc744 \uace0\ub824\ud55c \uacc4\uc218), \\(K\\)\ub294 \uc544\ubaa9 \ub610\ub294 \uc5b8\ub4c8\ub808\uc774\ud130\uc758 \ud30c\ub77c\ubbf8\ud130\ub97c \uc758\ubbf8\ud558\uba70, \uc774\ub294 \uc790\uae30\uc7a5\uc758 \uac15\ub3c4\uc640 \uc804\uc790\uc758 \uc18d\ub3c4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n<h2>FEL\uc758 \ud65c\uc6a9<\/h2>\n<p>FEL\uc740 \uadf8 \uc720\uc5f0\uc131\uacfc \uac15\ub825\ud55c \ucd9c\ub825 \ub355\ubd84\uc5d0 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ubb3c\uc9c8 \uacfc\ud559\uc5d0\uc11c\ub294 \ubb3c\uc9c8 \ub0b4 \uc6d0\uc790\uc640 \ubd84\uc790\uc758 \uad6c\uc870\ub97c \uadf9\uc138\uc138\ud558\uac8c \ubd84\uc11d\ud558\ub294\ub370 \uc0ac\uc6a9\ub418\uba70, \uc774\ub294 \uc0c8\ub85c\uc6b4 \ubb3c\uc9c8\uc758 \uac1c\ubc1c\uc774\ub098 \uae30\uc874 \ubb3c\uc9c8\uc758 \uc131\uc9c8\uc744 \uc774\ud574\ud558\ub294 \ub370 \ud06c\uac8c \uae30\uc5ec\ud569\ub2c8\ub2e4. \uc758\ud559 \ubd84\uc57c\uc5d0\uc11c\ub294 \uc815\ubc00\ud55c \uc218\uc220 \ub3c4\uad6c\ub85c\uc368\uc758 \uac00\ub2a5\uc131\uc744 \ud0d0\uad6c\ud558\uace0 \uc788\uc73c\uba70, \ud2b9\ud788 \uc554 \uc138\ud3ec\ub97c \ud0c0\uac9f\uc73c\ub85c \ud558\ub294 \uce58\ub8cc\uc5d0 \uc720\uc6a9\ud558\uac8c \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub354\ubd88\uc5b4, FEL\uc740 \ud658\uacbd \ubaa8\ub2c8\ud130\ub9c1\uc774\ub098 \uc7ac\ub8cc \ucc98\ub9ac, \ub098\uc544\uac00 \ud1b5\uc2e0 \uae30\uc220 \uac1c\ubc1c\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub113\uc740 \uc751\uc6a9 \ubc94\uc704\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uac01\uac01\uc758 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c FEL\uc758 \uc815\ubc00\ub3c4\uc640 \uc870\uc808 \uac00\ub2a5\ud55c \ud30c\uc7a5 \ud2b9\uc131\uc774 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uba70, \uc55e\uc73c\ub85c\ub3c4 \uadf8 \uae30\uc220\uc801 \ubc1c\uc804\uc774 \uae30\ub300\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc790\uc720 \uc804\uc790 \ub808\uc774\uc800\ub294 \uadf8 \ub3c5\ud2b9\ud55c \uc6d0\ub9ac\uc640 \ub2e4\uc591\ud55c \uc751\uc6a9 \uac00\ub2a5\uc131\uc73c\ub85c \uc778\ud574 \ud604\ub300 \uacfc\ud559 \uae30\uc220\uc758 \uc911\uc694\ud55c \uad6c\uc131 \uc694\uc18c\ub85c \uc790\ub9ac \uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae30\uc220\uc774 \ub354\uc6b1 \ubc1c\uc804\ub418\uace0 \ub2e4\uc591\ud654\ub420\uc218\ub85d, \uc6b0\ub9ac\ub294 \ub354 \ub9ce\uc740 \ubd84\uc57c\uc5d0\uc11c \ub354 \uae4a\uc740 \uc5f0\uad6c\uc640 \ud6a8\uacfc\uc801\uc778 \uacb0\uacfc\ub97c \ub3c4\ucd9c\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4. FEL\uc758 \uc774\ud574\ub294 \ubb3c\ub9ac\ud559\ubfd0\ub9cc \uc544\ub2c8\ub77c \uacf5\ud559, \uc758\ud559, \ud658\uacbd\uacfc\ud559 \ub4f1 \uc5ec\ub7ec \ubd84\uc57c\uc5d0 \uac78\uccd0 \uc911\uc694\ud558\uba70, \uc55e\uc73c\ub85c\uc758 \ubc1c\uc804\uc774 \uae30\ub300\ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc790\uc720 \uc804\uc790 \ub808\uc774\uc800(FEL)\ub294 \uc9c4\uacf5 \uc0c1\ud0dc\uc758 \uc790\uc720\ub86d\uac8c \uc774\ub3d9\ud558\ub294 \uc804\uc790\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc591\ud55c \ud30c\uc7a5\uc758 \uac15\ub825\ud55c \ub808\uc774\uc800 \uad11\uc744 \uc0dd\uc131\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[94],"tags":[95],"class_list":["post-208807","post","type-post","status-publish","format-standard","hentry","category-94","tag-95","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\uc790\uc720 \uc804\uc790 \ub808\uc774\uc800(FEL) \uacf5\uc2dd | \uac1c\uc694 \ubc0f \ud65c\uc6a9<\/title>\n<meta name=\"description\" content=\"\uc790\uc720 \uc804\uc790 \ub808\uc774\uc800(FEL)\ub294 \uc9c4\uacf5 \uc0c1\ud0dc\uc758 \uc790\uc720\ub86d\uac8c \uc774\ub3d9\ud558\ub294 \uc804\uc790\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc591\ud55c \ud30c\uc7a5\uc758 \uac15\ub825\ud55c 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