{"id":58431,"date":"2025-09-04T16:17:12","date_gmt":"2025-09-04T16:17:12","guid":{"rendered":"https:\/\/photonics.laser2000.co.uk\/?post_type=product&#038;p=58431"},"modified":"2025-12-17T14:37:32","modified_gmt":"2025-12-17T14:37:32","slug":"chilas-bt3-850-nm-tunable-laser","status":"publish","type":"product","link":"https:\/\/stagingphotonics.laser2000.co.uk\/?product=chilas-bt3-850-nm-tunable-laser","title":{"rendered":"Chilas BT3 \u2013 850 nm tunable laser"},"content":{"rendered":"<p data-start=\"94\" data-end=\"448\"><strong data-start=\"94\" data-end=\"117\">Chilas BT3 \u2013 850 nm<\/strong> is a high-performance external cavity laser that combines <strong data-start=\"176\" data-end=\"202\">ultra-narrow linewidth<\/strong> operation with an impressive <strong data-start=\"232\" data-end=\"254\">30 nm tuning range<\/strong>. Engineered for precision and reliability, it delivers outstanding spectral purity and proven long-term stability, making it ideally suited for demanding research and industrial applications.<\/p>\n<h3 data-start=\"450\" data-end=\"472\"><strong data-start=\"454\" data-end=\"470\">Key Features<\/strong><\/h3>\n<ul>\n<li data-start=\"475\" data-end=\"528\">Ultra-narrow linewidth for high spectral resolution<\/li>\n<li data-start=\"531\" data-end=\"581\">External cavity laser design for wide tunability<\/li>\n<li data-start=\"584\" data-end=\"630\">Demonstrated long-term operational stability<\/li>\n<li data-start=\"633\" data-end=\"678\">Integrated TEC for accurate thermal control<\/li>\n<li data-start=\"681\" data-end=\"726\">Polarisation-maintaining (PM) fibre pigtail<\/li>\n<\/ul>\n<h3 data-start=\"728\" data-end=\"750\"><strong data-start=\"732\" data-end=\"748\">Applications<\/strong><\/h3>\n<ul>\n<li data-start=\"753\" data-end=\"771\">Optical trapping<\/li>\n<li data-start=\"774\" data-end=\"788\">Atom cooling<\/li>\n<li data-start=\"791\" data-end=\"821\">High-resolution spectroscopy<\/li>\n<li data-start=\"824\" data-end=\"840\">Quantum optics<\/li>\n<li data-start=\"843\" data-end=\"872\">Advanced photonics research<\/li>\n<\/ul>\n<p data-start=\"874\" data-end=\"1098\">With its unique balance of stability, tunability and precision, the <strong data-start=\"942\" data-end=\"965\">Chilas BT3 \u2013 850 nm<\/strong> offers a dependable solution for laboratories and industries seeking cutting-edge performance in optical science and applications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The <strong data-start=\"508\" data-end=\"531\">Chilas BT3 \u2013 850 nm<\/strong> is a precision external cavity laser offering ultra-narrow linewidth, a 30 nm tuning range and exceptional long-term stabilit<\/p>\n","protected":false},"featured_media":58432,"template":"","meta":{"_acf_changed":false,"footnotes":""},"product_brand":[],"product_cat":[116],"product_tag":[],"class_list":{"0":"post-58431","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-tunable-laser-systems","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.6 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Chilas BT3 \u2013 850 nm tunable laser - Laser 2000<\/title>\n<meta name=\"description\" content=\"Discover the Chilas BT3 ? 850 nm external cavity laser with ultra-narrow linewidth, 30 nm tuning range, built-in TEC and PM fibre pigtail.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chilas BT3 \u2013 850 nm tunable laser\" \/>\n<meta property=\"og:description\" content=\"Discover the Chilas BT3 ? 850 nm external cavity laser with ultra-narrow linewidth, 30 nm tuning range, built-in TEC and PM fibre pigtail.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/stagingphotonics.laser2000.co.uk\/products\/light-sources-safety\/lasers\/tunable-laser-systems\/chilas-bt3-850-nm-tunable-laser\/\" \/>\n<meta property=\"og:site_name\" content=\"Laser 2000\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-17T14:37:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/stagingphotonics.laser2000.co.uk\/wp-content\/uploads\/2025\/09\/Chilas-BT3-butterfly-packaged-laser.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"768\" \/>\n\t<meta property=\"og:image:height\" content=\"432\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Price\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Availability\" \/>\n\t<meta name=\"twitter:data2\" content=\"In stock\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/stagingphotonics.laser2000.co.uk\\\/products\\\/light-sources-safety\\\/lasers\\\/tunable-laser-systems\\\/chilas-bt3-850-nm-tunable-laser\\\/\",\"url\":\"https:\\\/\\\/stagingphotonics.laser2000.co.uk\\\/products\\\/light-sources-safety\\\/lasers\\\/tunable-laser-systems\\\/chilas-bt3-850-nm-tunable-laser\\\/\",\"name\":\"Chilas BT3 \u2013 850 nm tunable laser - Laser 2000\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/stagingphotonics.laser2000.co.uk\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/stagingphotonics.laser2000.co.uk\\\/products\\\/light-sources-safety\\\/lasers\\\/tunable-laser-systems\\\/chilas-bt3-850-nm-tunable-laser\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/stagingphotonics.laser2000.co.uk\\\/products\\\/light-sources-safety\\\/lasers\\\/tunable-laser-systems\\\/chilas-bt3-850-nm-tunable-laser\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/stagingphotonics.laser2000.co.uk\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/Chilas-BT3-butterfly-packaged-laser.webp\",\"datePublished\":\"2025-09-04T16:17:12+00:00\",\"dateModified\":\"2025-12-17T14:37:32+00:00\",\"description\":\"Discover the Chilas BT3 ? 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