{"id":692276,"date":"2024-11-06T05:28:54","date_gmt":"2024-11-06T05:28:54","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/tia-eia-455-1972000-r2008\/"},"modified":"2024-11-06T05:28:54","modified_gmt":"2024-11-06T05:28:54","slug":"tia-eia-455-1972000-r2008","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/tia\/tia-eia-455-1972000-r2008\/","title":{"rendered":"TIA\/EIA-455-197:2000 (R2008)"},"content":{"rendered":"<p>In this procedure, a modulated light source at a given<br \/>\nwavelength is coupled into the component under test, and the phase<br \/>\nof the modulated signal exiting the fiber at a first polarization<br \/>\nstate is compared with the phase at a second, orthogonal<br \/>\npolarization state. Once the maximum phase difference has been<br \/>\ndetermined, corresponding to the input states of polarization<br \/>\n(SOP&#039;s) aligning to the two principal axes of the component, this<br \/>\nis converted to a delay difference, and reported as the DGD for the<br \/>\ncomponent at that wavelength.<\/p>\n<p>For the purposes of this document, the component is considered<br \/>\nto be measured at a single wavelength, and therefore the result<br \/>\nreported is stictly the DGD.<\/p>\n<p>This FOTP does not apply to components that have in excess of 10<br \/>\ndB of polarization dependent loss (PDL).<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>FOTP-197 Differential Group Delay Measurement of Single-Mode Components and Devices by the Differential Phase Shift Method<\/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>2000<\/td>\n<td>36<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":692285,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2646],"product_tag":[],"class_list":{"0":"post-692276","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\/692276","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\/692285"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=692276"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=692276"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=692276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}