{"id":341192,"date":"2024-10-19T23:55:10","date_gmt":"2024-10-19T23:55:10","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-197412018\/"},"modified":"2024-10-25T23:06:25","modified_gmt":"2024-10-25T23:06:25","slug":"bs-iso-197412018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-197412018\/","title":{"rendered":"BS ISO 19741:2018"},"content":{"rendered":"<p>This document specifies the principle, apparatus, condition, sample, procedure and data processing of measuring striae in infrared optical materials.<\/p>\n<p>It is applicable to the determination of striae in infrared optical materials, such as infrared optical glass, which is opaque to visible wavelengths and whose transmission optical spectra are beyond 0,78&nbsp;\u00b5m.<\/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>2<b><\/td>\n<td>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions <br \/> 4 Principle  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>5 Apparatus <br \/> 5.1 Apparatus arrangement <br \/> 5.2 Collimating infrared light source system <br \/> 5.3 Projection optical system  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>5.4 Knife edge device <br \/> 5.5 Image sensor <br \/> 5.6 Computer image collecting, processing and displaying system <br \/> 5.7 Standard grey level sample <br \/> 6 Test conditions <br \/> 6.1 Environmental temperature <br \/> 6.2 Relative air humidity <br \/> 7 Sample <br \/> 7.1 Surface roughness <br \/> 7.2 Scratches and digs of surface  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>8 Procedure <br \/> 8.1 Projection measurement <br \/> 8.2 Schlieren measurement  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>9 Data processing <br \/> 10 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>Annex A (informative) Test record for striae in infrared optical materials  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Optics and photonics. Optical materials and components. Test method for striae in infrared optical materials<\/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>2018<\/td>\n<td>14<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":341196,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-341192","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","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\/341192","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\/341196"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=341192"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=341192"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=341192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}