{"id":247852,"date":"2024-10-19T16:19:12","date_gmt":"2024-10-19T16:19:12","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-iec-tr-623492014\/"},"modified":"2024-10-25T11:27:09","modified_gmt":"2024-10-25T11:27:09","slug":"bsi-pd-iec-tr-623492014","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-iec-tr-623492014\/","title":{"rendered":"BSI PD IEC\/TR 62349:2014"},"content":{"rendered":"<p>This technical report applies to polarization-maintaining (PM) optical fibres.<\/p>\n<p>The object of this report is to define test procedures to be used in establishing uniform requirements for the geometrical and transmission properties of PM fibres.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>4<b><\/td>\n<td>CONTENTS  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>FOREWORD  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>1 Scope and object <br \/> 2 Normative references <br \/> 3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>4 Testing conditions  <br \/> 5 Guidance for dimensional characteristics measurement of polarization-maintaining optical fibres <br \/> 5.1 Object <br \/> 5.2 Overview of method  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>5.3 Reference test method  <br \/> 6 Guidance for cut-off wavelength measurement of polarization-maintaining optical fibres  <br \/> 6.1 Object  <br \/> 6.2 Overview of method <br \/> 7 Guidance for mode field diameter measurement of polarization-maintaining optical fibres <br \/> 7.1 Object <br \/> 7.2 Overview of method   <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>8 Guidance for beat length measurement of polarization-maintaining optical fibres <br \/> 8.1 Object <br \/> 8.2 Overview of methods <br \/> 8.3 Reference test method <br \/> 8.4 Specimen <br \/> 8.5 Beat length measuring method <br \/> 8.5.1 Method A: Phase beat length measurement method  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>Figures <br \/> Figure 1 \u2013 Apparatus of beat length measurement \u2013 Method A  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>Figure 2 \u2013 Example of measurement profile by electro magnet  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>8.5.2 Method B: Group beat length measurement method <br \/> 8.6 Results <br \/> 8.6.1 Information available with each measurement  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>8.6.2 Information available upon request <br \/> 9 Guidance for polarization crosstalk measurement of polarization-maintaining optical fibres <br \/> 9.1 Object <br \/> 9.2 Polarization crosstalk measuring method <br \/> 9.2.1 General <br \/> 9.2.2 Method A: Power ratio method  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>Figure 3 \u2013 Example of test apparatus for polarization crosstalk measurement (power ratio method)  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>9.2.3 Method B: In-line polarimetric method  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>Figure 4a \u2013 Front view of dataarc and fitted circle <br \/> Figure 4b \u2013 90\u00b0 \u2013 Rotated cutaway view defining the geometrical relationships <br \/> Figure 4 \u2013 Poincar\u00e9 sphere representations for Method B   <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>Annex\u00a0A (informative)Cut-off wavelength of PM fibre and SM fibre \u2013 Profiles and bend dependence of cut-off wavelength <br \/> Figure A. 1 \u2013 Cut-off wavelength profiles of PM fibre and SM fibre <br \/> Figure A. 2 \u2013 Cut-off wavelength profile of PM fibre with extra bending  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>Annex\u00a0B (informative)Difference of beat length by measurement method <br \/> B.1 Modal birefringence and beat length <br \/> B.2 Beat length defined by Method B  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>Annex\u00a0C (informative)Electromagnet for Faraday rotation <br \/> Figure C. 1 \u2013 A schematic of the electromagnet  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Guidance of measurement methods and test procedures. Basic tests for polarization-maintaining optical fibres<\/b><\/p>\n<table class=\"shortdes-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\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2014<\/td>\n<td>28<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":247855,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[649,2641],"product_tag":[],"class_list":{"0":"post-247852","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-33-180-10","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/247852","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\/247855"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=247852"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=247852"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=247852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}