{"id":691227,"date":"2024-11-06T05:24:52","date_gmt":"2024-11-06T05:24:52","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/tia-455-175-b2003\/"},"modified":"2024-11-06T05:24:52","modified_gmt":"2024-11-06T05:24:52","slug":"tia-455-175-b2003","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/tia\/tia-455-175-b2003\/","title":{"rendered":"TIA-455-175-B:2003"},"content":{"rendered":"<p>This part of IEC 60793 establishes uniform requirements for<br \/>\nmeasuring the chromatic dispersion of optical fibre, thereby<br \/>\nassisting in the inspection of fibres and cables for commercial<br \/>\npurposes.<\/p>\n<p>Four methods are described for measuring chromatic<br \/>\ndispersion:<\/p>\n<p>\u2013 method A: phase shift;<\/p>\n<p>\u2013 method B: spectral group delay in the time domain;<\/p>\n<p>\u2013 method C: differential phase shift;<\/p>\n<p>\u2013 method D: interferometry.<\/p>\n<p>Methods A, B and C apply to the measurement of chromatic<br \/>\ndispersion of the following fibres over a specified wavelength<br \/>\nrange:<\/p>\n<p>\u2013 class A1 graded-index multimode fibres;<\/p>\n<p>\u2013 class B single-mode fibres (all categories).<\/p>\n<p>Method D applies to the measurement of chromatic dispersion<br \/>\nvalues of single-mode fibres categories B1 to B3 in the 1 000 nm to<br \/>\n1 700 nm wavelength range.<\/p>\n<p>The methods can be applied to laboratory, factory and field<br \/>\nmeasurements of chromatic dispersion, and the wavelength range of<br \/>\nthe measurements can be tailored as required. Measurements are made<br \/>\nat temperatures as stated in IEC 60793-1-1.<\/p>\n<p>The methods are suitable for fibre or cable lengths greater than<br \/>\n1 km. They may also be applied to shorter lengths, but accuracy and<br \/>\nrepeatability may be compromised. Method D is the preferred method<br \/>\nfor shorter piece fibres (1 m to 10 m).<\/p>\n<p>Information common to all three methods is contained in clauses<br \/>\n1 to 8, and information pertaining to each individual method<br \/>\nappears in annexes A, B, C and D, respectively.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>FOTP-175 IEC-60793-1-42 Optical Fibers &#8211; Part 1-42: Measurement Methods and Test Procedures &#8211; Chromatic Dispersion<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/tia\/\"><b>TIA<\/b><\/a><\/td>\n<td>2003<\/td>\n<td>44<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":691237,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2646],"product_tag":[],"class_list":{"0":"post-691227","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-tia","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/691227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/691237"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=691227"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=691227"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=691227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}