{"id":36348,"date":"2006-05-24T13:33:17","date_gmt":"2006-05-24T13:33:17","guid":{"rendered":"https:\/\/www.etap-lab.com\/?p=11108"},"modified":"2026-04-15T22:54:58","modified_gmt":"2026-04-15T20:54:58","slug":"radially-polarized-ring-and-arc-beams-of-a-neodymium-laser-with-an-intra-cavity-axicon","status":"publish","type":"ressource","link":"https:\/\/www.etap-lab.com\/en\/ressource\/radially-polarized-ring-and-arc-beams-of-a-neodymium-laser-with-an-intra-cavity-axicon\/","title":{"rendered":"Radially polarized ring and arc beams of a neodymium laser with an intra-cavity axicon."},"content":{"rendered":"\n<p>\n\nPlacing a Brewster-angle axicon inside a laser resonator makes it possible to produce a radially-polarized (RP) oscillation pattern distributed on a thin ring or a portion of a ring. Laser-diode end-pumped, Nd:Y(3)Al(5)O(12) and Nd:YVO(4) lasers were studied. Spatially coherent RP beams distributed on circular arcs were obtained with a polarization contrast ratio up to 80:1. Incoherent RP outputs on a full ring were also produced with a polarization contrast ratio of about 5:1. Applications of these beams to increase absorption efficiency in laser-matter interaction are discussed.\n\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Discover Radially polarized ring and arc beams of a neodymium laser with an intra-cavity axicon.: Placing a Brewster-angle axicon inside a laser resonator makes it possible to produce a\u2026<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"categorie-de-ressource":[235],"marque-de-ressource":[],"class_list":["post-36348","ressource","type-ressource","status-publish","hentry","categorie-de-ressource-publications"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Radially polarized ring and arc beams of a neodymium laser with an intra-cavity axicon. - ETAP-LAB<\/title>\n<meta name=\"description\" content=\"Discover Radially polarized ring and arc beams of a neodymium laser with an intra-cavity axicon.: Placing a Brewster-angle axicon inside a laser resonator makes it possible to produce a\u2026\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.etap-lab.com\/en\/ressource\/radially-polarized-ring-and-arc-beams-of-a-neodymium-laser-with-an-intra-cavity-axicon\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Radially polarized ring and arc beams of a neodymium laser with an intra-cavity axicon. - 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