{"version":"1.0","provider_name":"Ophir Photonics","provider_url":"https:\/\/www.ophiropt.com\/blog","author_name":"OphirBlog","author_url":"https:\/\/www.ophiropt.com\/blog\/author\/ophirblog\/","title":"Glossary of Optical Specifications - Ophir Photonics","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"j35epKz9L5\"><a href=\"https:\/\/www.ophiropt.com\/blog\/glossary-of-optical-specifications\/\">Glossary of Optical Specifications<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.ophiropt.com\/blog\/glossary-of-optical-specifications\/embed\/#?secret=j35epKz9L5\" width=\"600\" height=\"338\" title=\"&#8220;Glossary of Optical Specifications&#8221; &#8212; Ophir Photonics\" data-secret=\"j35epKz9L5\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.ophiropt.com\/blog\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.ophiropt.com\/blog\/wp-content\/uploads\/2019\/12\/Untitled-design-36.png","thumbnail_width":800,"thumbnail_height":350,"description":"There are many specifications used to define optical components, such as lenses, mirrors, windows, etc. Some, like focal length, might seem obvious. Others, like power and centration, might not be as self-explanatory. Here is an incomplete glossary of some of the most commonly used specifications for optics."}