{"id":812,"date":"2024-04-10T14:38:41","date_gmt":"2024-04-10T14:38:41","guid":{"rendered":"https:\/\/fiberdirect.biz\/?post_type=product&#038;p=812"},"modified":"2026-04-24T11:11:18","modified_gmt":"2026-04-24T11:11:18","slug":"precision-optical-fiber-delay-line","status":"publish","type":"product","link":"https:\/\/fiberdirect.biz\/?product=precision-optical-fiber-delay-line","title":{"rendered":"Precision Optical Fiber Delay Line"},"content":{"rendered":"<p><strong>Features<\/strong><br \/>\nDelay of line customized to customer requirements<br \/>\nUse of master class optical connectors, optical fiber with low attenuation and precise winding technology guarantees low insertion loss of line<br \/>\nExtremely high delay accuracy<br \/>\nAvailable in an acoustic and vibration absorbing version<\/p>\n<p><strong>Applications<\/strong><br \/>\nLaser spectroscopy<br \/>\nTest and measurement system<br \/>\nQuantum optics<br \/>\nOptoelectronic oscillators<br \/>\nOptical gyroscopes<\/p>\n<p><strong>Technical parameters<\/strong><br \/>\nOPTICAL FIBER PARAMETERS 1<br \/>\nParameter\tUnit\tValue<br \/>\nFiber type\t\tG.657A2 2<br \/>\nAttenuation @1310 nm\tdB\/km\t\u22640.35<br \/>\nAttenuation @1383 nm\tdB\/km\t\u22640.34<br \/>\nAttenuation @1490 nm\tdB\/km\t\u22640.23<br \/>\nAttenuation @1550 nm\tdB\/km\t\u22640.21<br \/>\nAttenuation @1625 nm\tdB\/km\t\u22640.23<br \/>\nMode filed diameter (MFD) @1310 nm\t\u00b5m\t8.8 \u00b1 0.4<br \/>\nMode field diameter (MFD) @1550 nm\t\u00b5m\t9.8 \u00b1 0.5<br \/>\n1. Full datasheet of optical fiber available on request<\/p>\n<p>2. Other type of fiber Attenuation @1310 nmon request<\/p>\n<p>OPTICAL CONNECTORS PARAMETERS<br \/>\nParameter\tUnit\tValue<br \/>\nMaximum insertion loss IL\tdB\t\u2264 0.1<br \/>\nMinimum return loss RL\tdB\t\u2265 65 (APC), \u2265 55 (UPC)<br \/>\nConcentricity\t\u00b5m\t\u2264 0.3<br \/>\nLongitudinal angle of the ferrule hole\t\u2070\t\u2264 0.2<br \/>\nApex offset\t\u00b5m\t\u2264 30<br \/>\nFiber height\tnm\t-30 \u2013 +30<br \/>\nRadius of curvature\tmm\t7-12 (APC), 10-20 (SC UPC), 7-25 (LC UPC)<br \/>\nPolishing angle\t\u2070\t8 \u00b1 0.3 (APC), 0 \u00b1 0.2 (UPC)<br \/>\nMeasure at wavelength 1310, 1550 nm<\/p>\n<p>STANDARD SPECIFICATIONS 2*<br \/>\nNominal length [km]\tMaximum insertion loss [dB] 3*\tTypical delay [\u00b5s]<br \/>\n1\t0.41\t5<br \/>\n2\t0.62\t10<br \/>\n5\t1.25\t25<br \/>\n10\t2.30\t50<br \/>\n15\t3.35\t75<br \/>\n20\t4.40\t100<br \/>\n25\t5.45\t125<br \/>\n50\t10.70\t250<br \/>\nDelay tolerance  0.005 %<\/p>\n<p>2. Other lengths available on request<\/p>\n<p>3. Insertion loss with optical connectors at 1550 nm wavelength<\/p>\n<div data-test='contact-form' id='contact-form-812' class='wp-block-jetpack-contact-form-container '>\n<form action='https:\/\/fiberdirect.biz\/?product=precision-optical-fiber-delay-line#contact-form-812' method='post' class='contact-form commentsblock' aria-label=\"Precision Optical Fiber Delay Line\" novalidate>\n\n<div style=\"\" class='grunion-field-name-wrap grunion-field-wrap'  >\n<label\n\t\t\t\tfor='g812-name'\n\t\t\t\tclass='grunion-field-label name'>Name<span class=\"grunion-label-required\" aria-hidden=\"true\">(required)<\/span><\/label>\n<input\n\t\t\t\t\ttype='text'\n\t\t\t\t\tname='g812-name'\n\t\t\t\t\tid='g812-name'\n\t\t\t\t\tvalue=''\n\t\t\t\t\tclass='name  grunion-field' \n\t\t\t\t\trequired aria-required='true' \/>\n\t<\/div>\n\n<div style=\"\" class='grunion-field-email-wrap grunion-field-wrap'  >\n<label\n\t\t\t\tfor='g812-email'\n\t\t\t\tclass='grunion-field-label email'>Email<span class=\"grunion-label-required\" aria-hidden=\"true\">(required)<\/span><\/label>\n<input\n\t\t\t\t\ttype='email'\n\t\t\t\t\tname='g812-email'\n\t\t\t\t\tid='g812-email'\n\t\t\t\t\tvalue=''\n\t\t\t\t\tclass='email  grunion-field' \n\t\t\t\t\trequired aria-required='true' \/>\n\t<\/div>\n\n<div style=\"\" class='grunion-field-url-wrap grunion-field-wrap'  >\n<label\n\t\t\t\tfor='g812-website'\n\t\t\t\tclass='grunion-field-label url'>Website<\/label>\n<input\n\t\t\t\t\ttype='text'\n\t\t\t\t\tname='g812-website'\n\t\t\t\t\tid='g812-website'\n\t\t\t\t\tvalue=''\n\t\t\t\t\tclass='url  grunion-field' \n\t\t\t\t\ttitle=\"Please enter a valid URL - https:\/\/www.example.com\" oninvalid=\"setCustomValidity(&quot;Please enter a valid URL - https:\/\/www.example.com&quot;)\" oninput=\"setCustomValidity(&quot;&quot;)\" pattern=\"(([:\\\/a-zA-Z0-9_\\-]+)?(\\.[a-zA-Z0-9_\\-\\\/]+)+)\" data-type-override=\"url\"  \/>\n\t<\/div>\n\n<div style=\"\" class='grunion-field-textarea-wrap grunion-field-wrap'  >\n<label\n\t\t\t\tfor='contact-form-comment-g812-message'\n\t\t\t\tclass='grunion-field-label textarea'>Message<\/label>\n<textarea\n\t\t                style=''\n\t\t                name='g812-message'\n\t\t                id='contact-form-comment-g812-message'\n\t\t                rows='20' class='textarea  grunion-field'  ><\/textarea>\n\t<\/div>\n\t<p class='contact-submit'>\n\t\t<button type='submit' class='pushbutton-wide'>Submit<\/button>\t\t<input type='hidden' name='contact-form-id' value='812' \/>\n\t\t<input type='hidden' name='action' value='grunion-contact-form' \/>\n\t\t<input type='hidden' name='contact-form-hash' value='8fe494cbd5cb3a0ff5dc611179ee8c76915e0e72' \/>\n\t<\/p>\n<\/form>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Features Delay of line customized to customer requirements Use of master class optical connectors, optical fiber with low attenuation and precise winding technology guarantees low insertion loss of line Extremely high delay accuracy Available in an acoustic and vibration absorbing version Applications Laser spectroscopy Test and measurement system Quantum optics Optoelectronic oscillators Optical gyroscopes Technical [&hellip;]<\/p>\n","protected":false},"featured_media":813,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[23,33],"product_tag":[],"class_list":{"0":"post-812","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-passive-telecom-optics","7":"product_cat-special-passive-devices","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.4 (Yoast SEO v22.4) - 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