{"id":2076,"date":"2025-06-09T10:02:43","date_gmt":"2025-06-09T03:02:43","guid":{"rendered":"https:\/\/www.infraredfel-thailand.org\/?p=2076"},"modified":"2025-06-09T10:02:43","modified_gmt":"2025-06-09T03:02:43","slug":"%e0%b8%82%e0%b8%ad%e0%b9%81%e0%b8%aa%e0%b8%94%e0%b8%87%e0%b8%84%e0%b8%a7%e0%b8%b2%e0%b8%a1%e0%b8%a2%e0%b8%b4%e0%b8%99%e0%b8%94%e0%b8%b5%e0%b8%81%e0%b8%b1%e0%b8%9a%e0%b8%99%e0%b8%b2%e0%b8%87%e0%b8%aa","status":"publish","type":"post","link":"https:\/\/www.infraredfel-thailand.org\/en\/%e0%b8%82%e0%b8%ad%e0%b9%81%e0%b8%aa%e0%b8%94%e0%b8%87%e0%b8%84%e0%b8%a7%e0%b8%b2%e0%b8%a1%e0%b8%a2%e0%b8%b4%e0%b8%99%e0%b8%94%e0%b8%b5%e0%b8%81%e0%b8%b1%e0%b8%9a%e0%b8%99%e0%b8%b2%e0%b8%87%e0%b8%aa\/","title":{"rendered":"Congratulations to Ms. Siriwan Pakluea, a member of the PCELL Linear Electron Accelerator Research Laboratory, on her publication in the journal Nuclear Science and Techniques."},"content":{"rendered":"<div class=\"xdj266r x14z9mp xat24cr x1lziwak x1vvkbs x126k92a\">\n<div dir=\"auto\"><span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/tfd\/1\/16\/1f9e1.png\" alt=\"\ud83e\udde1\" width=\"16\" height=\"16\" \/><\/span><span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/tb4\/1\/16\/1f38a.png\" alt=\"\ud83c\udf8a\" width=\"16\" height=\"16\" \/><\/span>Congratulations to Ms. Siriwan Pakluea, a member of the PCELL Linear Electron Accelerator Research Laboratory, on her publication in the journal Nuclear Science and Techniques. <span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t21\/1\/16\/1f4d9.png\" alt=\"\ud83d\udcd9\" width=\"16\" height=\"16\" \/><\/span><\/div>\n<\/div>\n<div class=\"x14z9mp xat24cr x1lziwak x1vvkbs xtlvy1s x126k92a\">\n<div dir=\"auto\">Title <span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t8\/1\/16\/1f341.png\" alt=\"\ud83c\udf41\" width=\"16\" height=\"16\" \/><\/span>Design and Optimization of Generation and Transportation System for Coherent THz Transition Radiation in Spectroscopic Applications <span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t89\/1\/16\/1f342.png\" alt=\"\ud83c\udf42\" width=\"16\" height=\"16\" \/><\/span><\/div>\n<div dir=\"auto\"><span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/tfd\/1\/16\/1f9e1.png\" alt=\"\ud83e\udde1\" width=\"16\" height=\"16\" \/><\/span> Siriwan Pakluea, Kanlayaporn Kongmali, Monchai Jitvisate, Jatuporn Saisut, Chitrlada Thongbai and Sakhorn Rimjaem<\/div>\n<div dir=\"auto\">\n<p><span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/tfd\/1\/16\/1f9e1.png\" alt=\"\ud83e\udde1\" width=\"16\" height=\"16\" \/><\/span> Link: <span class=\"html-span xdj266r x14z9mp xat24cr x1lziwak xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs\"><a class=\"x1i10hfl xjbqb8w x1ejq31n x18oe1m7 x1sy0etr xstzfhl x972fbf x10w94by x1qhh985 x14e42zd x9f619 x1ypdohk xt0psk2 xe8uvvx xdj266r x14z9mp xat24cr x1lziwak xexx8yu xyri2b x18d9i69 x1c1uobl x16tdsg8 x1hl2dhg xggy1nq x1a2a7pz xkrqix3 x1sur9pj x1fey0fg x1s688f\" tabindex=\"0\" role=\"link\" href=\"https:\/\/doi.org\/10.1007\/s41365-025-01731-2?fbclid=IwZXh0bgNhZW0CMTAAYnJpZBExMUJKc1ZUQW9UR0xzV1JVQgEeoTLRcUwGOSCkRNoohdZTABAygTFsBhCZmt1l-FXmnat1sWvAYkmGMi0k2KQ_aem_9Gd1Gn9sP38p6pDDiU_vVA\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">https:\/\/doi.org\/10.1007\/s41365-025-01731-2<\/a><\/span><\/p>\n<\/div>\n<\/div>\n<div class=\"x14z9mp xat24cr x1lziwak x1vvkbs xtlvy1s x126k92a\">\n<div dir=\"auto\"><span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t8e\/1\/16\/1f941.png\" alt=\"\ud83e\udd41\" width=\"16\" height=\"16\" \/><\/span><span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/tcd\/1\/16\/1fab6.png\" alt=\"\ud83e\udeb6\" width=\"16\" height=\"16\" \/><\/span>This study presents the design and optimization of a coherent terahertz (THz) transition radiation (TR) system at the PBP-CMU Electron Linac Laboratory. Electron beams (up to 22 MeV) are optimized using ASTRA simulations to generate coherent TR from short bunches via an aluminum foil radiator. The system achieves 352 fs bunch length and sub-millimeter transverse sizes.<\/div>\n<div dir=\"auto\"><span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/tf4\/1\/16\/2728.png\" alt=\"\u2728\" width=\"16\" height=\"16\" \/><\/span>TR properties\u2014angular distribution, polarization, and spectral bandwidth\u2014are analyzed using detectors and interferometry. A 27-meter transport line using Gaussian beam optics, ABCD matrix methods, and THzTransport code achieves 80\u201390% efficiency, with broad spectral range 0.3-2 THz.<\/div>\n<div dir=\"auto\"><span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/tf4\/1\/16\/2728.png\" alt=\"\u2728\" width=\"16\" height=\"16\" \/><\/span>The setup delivers broadband, high-efficiency TR ( 0.17\u20130.25 \u00b5J pulse energy) for THz time-domain spectroscopy (THz-TDS) applications.<span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t3c\/1\/16\/1f4a1.png\" alt=\"\ud83d\udca1\" width=\"16\" height=\"16\" \/><\/span><\/div>\n<\/div>\n<div dir=\"auto\"><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-2077 aligncenter\" src=\"https:\/\/www.infraredfel-thailand.org\/wp-content\/uploads\/2025\/06\/Capture-600x400.jpg\" alt=\"\" width=\"600\" height=\"400\" srcset=\"https:\/\/www.infraredfel-thailand.org\/wp-content\/uploads\/2025\/06\/Capture-600x400.jpg 600w, https:\/\/www.infraredfel-thailand.org\/wp-content\/uploads\/2025\/06\/Capture-18x12.jpg 18w, https:\/\/www.infraredfel-thailand.org\/wp-content\/uploads\/2025\/06\/Capture.jpg 990w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/div>\n<div dir=\"auto\">\n<div dir=\"auto\"><span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/ta9\/1\/16\/1f991.png\" alt=\"\ud83e\udd91\" width=\"16\" height=\"16\" \/><\/span>Stay tuned for more exciting research updates!<span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t2b\/1\/16\/1fae7.png\" alt=\"\ud83e\udee7\" width=\"16\" height=\"16\" \/><\/span><span class=\"html-span xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs x3nfvp2 x1j61x8r x1fcty0u xdj266r xat24cr xm2jcoa x1mpyi22 xxymvpz xlup9mm x1kky2od\"><img loading=\"lazy\" decoding=\"async\" class=\"xz74otr x168nmei x13lgxp2 x5pf9jr xo71vjh\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/tcf\/1\/16\/1fab8.png\" alt=\"\ud83e\udeb8\" width=\"16\" height=\"16\" \/><\/span><\/div>\n<div dir=\"auto\">Follow our latest research progress via our website (link below), or through our official Facebook page: PBP CMU Electron Linac Laboratory at Chiang Mai University \u2013 Thailand.<\/div>\n<div dir=\"auto\">Link: <span class=\"html-span xdj266r x14z9mp xat24cr x1lziwak xexx8yu xyri2b x18d9i69 x1c1uobl x1hl2dhg x16tdsg8 x1vvkbs\"><a class=\"x1i10hfl xjbqb8w x1ejq31n x18oe1m7 x1sy0etr xstzfhl x972fbf x10w94by x1qhh985 x14e42zd x9f619 x1ypdohk xt0psk2 xe8uvvx xdj266r x14z9mp xat24cr x1lziwak xexx8yu xyri2b x18d9i69 x1c1uobl x16tdsg8 x1hl2dhg xggy1nq x1a2a7pz xkrqix3 x1sur9pj x1fey0fg x1s688f\" tabindex=\"0\" role=\"link\" href=\"https:\/\/www.infraredfel-thailand.org\/en\/?fbclid=IwZXh0bgNhZW0CMTAAYnJpZBExMUJKc1ZUQW9UR0xzV1JVQgEest31Eaay7i8ND37Ut-HBXikzxUOlYhGDUULap5LiGKWSFMCSypFYWfHp2lc_aem_I2-sVmO9Nvr-kb1Ok65OAA\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">https:\/\/www.infraredfel-thailand.org\/<\/a><\/span><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u0e02\u0e2d\u0e41\u0e2a\u0e14\u0e07\u0e04\u0e27\u0e32\u0e21\u0e22\u0e34\u0e19\u0e14\u0e35\u0e01\u0e31\u0e1a\u0e19\u0e32\u0e07\u0e2a\u0e32\u0e27\u0e2a\u0e34\u0e23\u0e34\u0e27\u0e23\u0e23\u0e13 \u0e1b\u0e32\u0e40\u0e04\u0e25\u0e37\u0e2d \u0e2a\u0e21\u0e32\u0e0a\u0e34\u0e01\u0e02\u0e2d\u0e07\u0e2b\u0e49\u0e2d\u0e07\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e01\u0e32\u0e23\u0e27\u0e34\u0e08\u0e31\u0e22\u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e40\u0e23\u0e48\u0e07\u0e2d\u0e34\u0e40\u0e25\u0e47\u0e01\u0e15\u0e23\u0e2d\u0e19\u0e40\u0e0a\u0e34\u0e07\u0e40\u0e2a\u0e49\u0e19 PCELL \u0e17\u0e35\u0e48\u0e44\u0e14\u0e49\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e15\u0e35\u0e1e\u0e34\u0e21\u0e1e\u0e4c\u0e43\u0e19\u0e27\u0e32\u0e23\u0e2a\u0e32\u0e23 Nuclear Science and Techniques \u0e0a\u0e37\u0e48\u0e2d\u0e40\u0e23\u0e37\u0e48\u0e2d\u0e07 Design and Optimization of Generation and Transportation System for Coherent THz Transition Radiation in Spectroscopic Applications Siriwan Pakluea, Kanlayaporn Kongmali, Monchai Jitvisate, Jatuporn Saisut, Chitrlada Thongbai and Sakhorn Rimjaem Link: https:\/\/doi.org\/10.1007\/s41365-025-01731-2 \u0e07\u0e32\u0e19\u0e27\u0e34\u0e08\u0e31\u0e22\u0e19\u0e35\u0e49\u0e19\u0e33\u0e40\u0e2a\u0e19\u0e2d\u0e01\u0e32\u0e23\u0e2d\u0e2d\u0e01\u0e41\u0e1a\u0e1a\u0e41\u0e25\u0e30\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e02\u0e2d\u0e07\u0e23\u0e30\u0e1a\u0e1a\u0e23\u0e31\u0e07\u0e2a\u0e35\u0e17\u0e23\u0e32\u0e19\u0e0b\u0e34\u0e0a\u0e31\u0e19\u0e40\u0e17\u0e23\u0e32\u0e40\u0e2e\u0e34\u0e23\u0e15\u0e0b\u0e4c (THz-TR) \u0e41\u0e1a\u0e1a\u0e2d\u0e32\u0e1e\u0e31\u0e19\u0e18\u0e4c \u0e13 \u0e2b\u0e49\u0e2d\u0e07\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e01\u0e32\u0e23 PBP-CMU Electron Linac Laboratory \u0e42\u0e14\u0e22\u0e43\u0e0a\u0e49\u0e25\u0e33\u0e2d\u0e34\u0e40\u0e25\u0e47\u0e01\u0e15\u0e23\u0e2d\u0e19\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19\u0e2a\u0e39\u0e07\u0e2a\u0e38\u0e14 22 MeV \u0e0b\u0e36\u0e48\u0e07\u0e16\u0e39\u0e01\u0e1b\u0e23\u0e31\u0e1a\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21\u0e1c\u0e48\u0e32\u0e19\u0e01\u0e32\u0e23\u0e08\u0e33\u0e25\u0e2d\u0e07\u0e14\u0e49\u0e27\u0e22\u0e42\u0e1b\u0e23\u0e41\u0e01\u0e23\u0e21 ASTRA [&hellip;]<\/p>","protected":false},"author":2,"featured_media":2077,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"_links":{"self":[{"href":"https:\/\/www.infraredfel-thailand.org\/en\/wp-json\/wp\/v2\/posts\/2076"}],"collection":[{"href":"https:\/\/www.infraredfel-thailand.org\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infraredfel-thailand.org\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infraredfel-thailand.org\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infraredfel-thailand.org\/en\/wp-json\/wp\/v2\/comments?post=2076"}],"version-history":[{"count":3,"href":"https:\/\/www.infraredfel-thailand.org\/en\/wp-json\/wp\/v2\/posts\/2076\/revisions"}],"predecessor-version":[{"id":2080,"href":"https:\/\/www.infraredfel-thailand.org\/en\/wp-json\/wp\/v2\/posts\/2076\/revisions\/2080"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infraredfel-thailand.org\/en\/wp-json\/wp\/v2\/media\/2077"}],"wp:attachment":[{"href":"https:\/\/www.infraredfel-thailand.org\/en\/wp-json\/wp\/v2\/media?parent=2076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infraredfel-thailand.org\/en\/wp-json\/wp\/v2\/categories?post=2076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infraredfel-thailand.org\/en\/wp-json\/wp\/v2\/tags?post=2076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}