{"id":371828,"date":"2024-10-20T02:26:31","date_gmt":"2024-10-20T02:26:31","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-233642021\/"},"modified":"2024-10-26T04:14:55","modified_gmt":"2024-10-26T04:14:55","slug":"bs-iso-233642021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-233642021\/","title":{"rendered":"BS ISO 23364:2021"},"content":{"rendered":"<p>This document specifies filter functions of uncoated bulk absorption filters for optical applications excluding ophthalmic optics (spectacles) and gives a standard form for their specification. Additionally, basic definitions and a description of the specification concerning optical bulk absorption filters are given.<\/p>\n<p>This document specifies the optical properties of the filters and the test and measurement methods whenever necessary.<\/p>\n<p>This document does not specify any material properties (internal quality, homogeneity, etc.) and it does not apply to any production method.<\/p>\n<p>This document applies to both the raw material (filter glass, filter plastics, etc.) and the polished component.<\/p>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE&nbsp;1\n <\/div>\n<p>Colorimetric parameters for the description of the filter function are specified in e.g. <span class=\"std\"> <span class=\"std-ref\">ISO&nbsp;11664-1<\/span><\/span> and <span class=\"std\"> <span class=\"std-ref\">ISO&nbsp;11664-2<\/span><\/span> .<\/p>\n<\/div>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE&nbsp;2\n <\/div>\n<p>For filters where the spectral transmission characteristics are achieved by the application of optical coatings, see <span class=\"std\"> <span class=\"std-ref\">ISO&nbsp;9211 series<\/span><\/span> .<\/p>\n<\/div>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE&nbsp;3\n <\/div>\n<p>In the case of high power applications, further optical effects may occur.<\/p>\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>undefined  <\/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>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions <br \/> 3.1 Boundary conditions  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>3.2 Optical properties  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>3.3 Calculated parameters  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>3.4 Definition of bulk absorption filters by their function  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>4 Measurement <br \/> 4.1 General <br \/> 4.2 Measurement conditions <br \/> 5 Numerical specification and graphical representation of spectral characteristics <br \/> 5.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>5.2 Rules for the numerical specification of spectral characteristics <br \/> 5.2.1 Rules for the spectral characteristics, \u03c4i, \u03c4, \u03c4V, a, E, D or \u03b8  <br \/> 5.2.2 Rules for the cut-off wavelength and peak transmittance  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>5.3 Rules for the graphical representation of spectral characteristics  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>5.4 Graphical representation of optical functions <br \/> 5.4.1 General <br \/> 5.4.2 Attenuating function (ND)  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>5.4.3 Function bandpass (BP) or bandrejection (BR)  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>5.4.4 Function shortpass (SP) or longpass (LP)  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>Annex A (informative)  Graphical representation of transmission using a diabatic scale as an ordinate  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>Annex B (informative)  Recommendation for the thickness of the witness sample  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>Annex C (informative)  Spectral weighting function for luminous transmittance  <\/td>\n<\/tr>\n<tr>\n<td><b>28<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Optics and Photonics. Bulk absorption optical filters<\/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>2021<\/td>\n<td>30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":371836,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-371828","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\/371828","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\/371836"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=371828"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=371828"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=371828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}