{"id":248254,"date":"2024-10-19T16:21:11","date_gmt":"2024-10-19T16:21:11","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-60793-2-702017\/"},"modified":"2024-10-25T11:30:12","modified_gmt":"2024-10-25T11:30:12","slug":"bs-en-60793-2-702017","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-60793-2-702017\/","title":{"rendered":"BS EN 60793-2-70:2017"},"content":{"rendered":"<p>This part of <span class=\"std\"> <span class=\"std-ref\">IEC&nbsp;60793<\/span> <\/span> is applicable to optical fibre types D1, D2, D3, as described in <span class=\"xref\">Table&nbsp;1<\/span>. These fibres are polarization-maintaining fibre types, and are used or can be incorporated in information transmission equipment and optical fibre cable. These fibres are available for use in optical transport networks. Three types of requirements apply to these fibres:<\/p>\n<ul>\n<li>\n<p>general requirements defined in <span class=\"std\"> <span class=\"std-ref\">IEC&nbsp;60793\u20112<\/span> <\/span> ;<\/p>\n<\/li>\n<li>\n<p>specific requirements common to the category&nbsp;D polarization-maintaining fibres covered in this document and which are given in <span class=\"xref\">Clause&nbsp;4<\/span>;<\/p>\n<\/li>\n<li>\n<p>particular requirements applicable to individual fibre types or specific applications, which are defined in <span class=\"xref\">Annexes&nbsp;A<\/span> to <span class=\"xref\">C<\/span>.<\/p>\n<\/li>\n<\/ul>\n<div class=\"table-wrap\" id=\"tab_1\">\n<div class=\"table-label\">\n  Table&nbsp;1\n <\/div>\n<div class=\"table-title\">\n  Categories of glass core\/glass clad polarization-maintaining fibres\n <\/div>\n<\/div>\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>2<b><\/td>\n<td>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>5<b><\/td>\n<td>Annex ZA(normative)Normative references to international publicationswith their corresponding European publications  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>CONTENTS  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>FOREWORD  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> Tables <br \/> Table 1 \u2013 Categories of glass core\/glass clad polarization-maintaining fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>3 Terms and definitions <br \/> 4 Specifications <br \/> 4.1 General <br \/> 4.2 Dimensional requirements  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>4.3 Mechanical requirement <br \/> 4.4 Transmission requirements <br \/> Table 2 \u2013 Dimensional attributes and measurement methods <br \/> Table 3 \u2013 Mechanical attribute and test method  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>4.5 Environmental requirements <br \/> Table 4 \u2013 Transmission attributes and measurement methods <br \/> Table 5 \u2013 Environmental exposure tests <br \/> Table 6 \u2013 Attributes measured  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>Annex A  (normative)  Family specification for category D1 polarization-maintaining fibres <br \/> A.1 General <br \/> A.2 Dimensional requirements <br \/> A.3 Mechanical requirement <br \/> A.4 Transmission requirements <br \/> Table A.1 \u2013 Dimensional requirements specific to D1 fibres  <br \/> Table A.2 \u2013 Mechanical requirement specific to D1 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>A.5 Environmental requirements <br \/> Table A.3 \u2013 Transmission requirements specific to D1 fibres  <br \/> Table A.4 \u2013 Environmental requirements specific to D1 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>Annex B  (normative)  Family specification for category D2 polarization-maintaining fibres <br \/> B.1 General <br \/> B.2 Dimensional requirements <br \/> B.3 Mechanical requirement <br \/> B.4 Transmission requirements <br \/> Table B.1 \u2013 Dimensional requirements specific to D2 fibres  <br \/> Table B.2 \u2013 Mechanical requirement specific to D2 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>B.5 Environmental requirements <br \/> Table B.3 \u2013 Transmission requirements specific to D2 fibres  <br \/> Table B.4 \u2013 Environmental requirements specific to D2 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>Annex C  (normative)  Family specification for category D3 polarization-maintaining fibres <br \/> C.1 General <br \/> C.2 Dimensional requirements <br \/> C.3 Mechanical requirement <br \/> C.4 Transmission requirements <br \/> Table C.1 \u2013 Dimensional requirements specific to D3 fibres <br \/> Table C.2 \u2013 Mechanical requirement specific to D3 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>C.5 Environmental requirements <br \/> Table C.3 \u2013 Transmission requirements specific to D3 fibres <br \/> Table C.4 \u2013 Environmental requirements specific to D3 fibres  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>Annex D  (normative)  Mode field diameter (MFD) measurement of PM fibre  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>Annex E  (informative)  Cut-off wavelength of PM fibre and SM fibre <br \/> Figure E.1 \u2013 Cut-off wavelength profiles of PM fibre and SM fibre   <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>Figure E.2 \u2013 Cut-off wavelength profile of PM fibre with extra bending   <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Optical fibres &#8211; Product specifications. Sectional specification for polarization-maintaining 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>2017<\/td>\n<td>26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":248260,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[649,2641],"product_tag":[],"class_list":{"0":"post-248254","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\/248254","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\/248260"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=248254"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=248254"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=248254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}