{"id":1233,"date":"2024-10-07T16:16:02","date_gmt":"2024-10-07T14:16:02","guid":{"rendered":"http:\/\/store.lightcore-technologies.com\/?post_type=product&#038;p=1233"},"modified":"2025-12-15T10:46:15","modified_gmt":"2025-12-15T09:46:15","slug":"femtoguide-grin","status":"publish","type":"product","link":"http:\/\/store.lightcore-technologies.com\/index.php\/product\/femtoguide-grin\/","title":{"rendered":"FemtoGuide delivery fiber with GRIN lens functionalization"},"content":{"rendered":"<h2>Properties<\/h2>\n<p><strong>Hollow core diameter :<\/strong> 20 &#8211; 40 \u00b5m<\/p>\n<p><strong>Fiber external diameter : <\/strong>150 &#8211; 220 \u00b5m<\/p>\n<p><strong>Coating external diameter : <\/strong>300 &#8211; 400 \u00b5m<\/p>\n<p><strong>Fiber sleeve diameter : <\/strong>0.9 &#8211; 3 mm<\/p>\n<p><strong>Attenuation : <\/strong>0.2 &#8211; 0.7 dB\/m<\/p>\n<p><strong>Group velocity dispersion (GVD) : <\/strong>-4 &#8211; +4 ps\/nm\/km<\/p>\n<p><strong>Mode field diameter (MFD) : <\/strong>15 &#8211; 26 \u00b5m<\/p>\n<p><strong>Numerical aperture (NA) : <\/strong>0.02 &#8211; 0.04<\/p>\n<p><strong>FWHM after GRIN focalization : <\/strong>2 &#8211; 4 \u00b5m<\/p>\n<p>The above are typical ranges for the properties of the different FemtoGuide fibers we provide.<br \/>\n<a href=\"https:\/\/lightcore-technologies.com\/contact\/\">Contact us<\/a> for more information on the available fibers.<\/p>\n<h2>Examples of transmission spectrum<\/h2>\n<h2><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1426\" src=\"http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/transmission-spectrum-1024x550.png\" alt=\"hollow core fiber transmission spectrum examples\" width=\"650\" height=\"349\" srcset=\"http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/transmission-spectrum-1024x550.png 1024w, http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/transmission-spectrum-300x161.png 300w, http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/transmission-spectrum-768x413.png 768w, http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/transmission-spectrum-1536x826.png 1536w, http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/transmission-spectrum-2048x1101.png 2048w, http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/transmission-spectrum-600x323.png 600w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/h2>\n<p>In addition to the GRIN fiber, the fiber hollow microstructure is enclosed by a silica rod at the other end to prevent external contamination.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1350\" src=\"http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/44-1-300x300.png\" alt=\"FemtoGuide broadband, low loss, low dispersion hollow core fiber for short and intense pulse delivery. Endcap to enclose both ends.\" width=\"300\" height=\"300\" srcset=\"http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/44-1-300x300.png 300w, http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/44-1-150x150.png 150w, http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/44-1-768x768.png 768w, http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/44-1-600x600.png 600w, http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/44-1-100x100.png 100w, http:\/\/store.lightcore-technologies.com\/wp-content\/uploads\/2024\/10\/44-1.png 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This <a href=\"http:\/\/store.lightcore-technologies.com\/index.php\/product\/femtoguide\/\">FemtoGuide<\/a> fiber variant includes a graded-index (GRIN) lens at one end for precise beam shaping. Tailored to deliver a tight focus at the output, it combines a GRIN fiber with a hollow core fiber for compact and efficient performance. Standard FC\/PC connectors ensure compatibility with most setups.<\/p>\n","protected":false},"featured_media":1526,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[],"product_cat":[45],"product_tag":[],"class_list":{"0":"post-1233","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-fiber","8":"first","9":"instock","10":"shipping-taxable","11":"purchasable","12":"product-type-variable"},"aioseo_notices":[],"_links":{"self":[{"href":"http:\/\/store.lightcore-technologies.com\/index.php\/wp-json\/wp\/v2\/product\/1233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/store.lightcore-technologies.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"http:\/\/store.lightcore-technologies.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/store.lightcore-technologies.com\/index.php\/wp-json\/wp\/v2\/media\/1526"}],"wp:attachment":[{"href":"http:\/\/store.lightcore-technologies.com\/index.php\/wp-json\/wp\/v2\/media?parent=1233"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"http:\/\/store.lightcore-technologies.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=1233"},{"taxonomy":"product_cat","embeddable":true,"href":"http:\/\/store.lightcore-technologies.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=1233"},{"taxonomy":"product_tag","embeddable":true,"href":"http:\/\/store.lightcore-technologies.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=1233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}