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		<title><![CDATA[ZEMAX Users&#039; Knowledge Base - Articles - Optimization]]></title>
		<link>http://www.zemax.com/kb</link>
		<description><![CDATA[Articles describing the use of the ZEMAX optical system design software for lens design, illumination system design, stray light and laser beam propagation]]></description>
		<language>en-us</language>
		<copyright><![CDATA[http://www.zemax.com/kb]]></copyright>
		<generator>N/A</generator>
		<webMaster>support@zemax.com</webMaster>
		<lastBuildDate>Wed, 15 Oct 2008 14:03:02 PDT</lastBuildDate>
		<ttl>20</ttl>
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			<title><![CDATA[ How To Optimize for Worst-Case Performance]]></title>
			<link>http://www.zemax.com/kb/articles/213/1/-How-To-Optimize-for-Worst-Case-Performance/Page1.html</link>
			<description><![CDATA[In most cases, we want to optimize for best performance over some average of the field of view or wavelength range of a system. In some cases, its useful to optimize only the worse-case scenario. This is easy to do, and this article describes how.]]></description>
			<author>no@spam.com (Mark Nicholson)</author>
			<pubDate><![CDATA[Sat, 10 May 2008 00:00:00 PDT]]></pubDate>
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			<title><![CDATA[Optimization in Non-Sequential Ray-Tracing with Pixel Interpolation and NSDD]]></title>
			<link>http://www.zemax.com/kb/articles/199/1/Optimization-in-Non-Sequential-Ray-Tracing-with-Pixel-Interpolation-and-NSDD/Page1.html</link>
			<description><![CDATA[ZEMAX has several features that improve non-sequential optimization effiiciency. In this article, we re-optimize a free form mirror using pixel interpolation and added capabilities of the NSDD merit function operand. ]]></description>
			<author>no@spam.com (Akash Arora)</author>
			<pubDate><![CDATA[Mon, 15 Oct 2007 00:00:00 PDT]]></pubDate>
			<guid isPermaLink="true">http://www.zemax.com/kb/articles/199/1/Optimization-in-Non-Sequential-Ray-Tracing-with-Pixel-Interpolation-and-NSDD/Page1.html</guid>
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			<title><![CDATA[Understanding the MTF Operands]]></title>
			<link>http://www.zemax.com/kb/articles/187/1/Understanding-the-MTF-Operands/Page1.html</link>
			<description><![CDATA[This article explains the operation of the MTF operands, and the choice of sampling schemes and algorithms available]]></description>
			<author>no@spam.com (Mark Nicholson)</author>
			<pubDate><![CDATA[Mon, 07 May 2007 00:00:00 PDT]]></pubDate>
			<guid isPermaLink="true">http://www.zemax.com/kb/articles/187/1/Understanding-the-MTF-Operands/Page1.html</guid>
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			<title><![CDATA[What Is the Orthogonal Descent Optimizer?]]></title>
			<link>http://www.zemax.com/kb/articles/182/1/What-Is-the-Orthogonal-Descent-Optimizer/Page1.html</link>
			<description><![CDATA[The Orthogonal Descent optimizer is a new algorithm specifically designed for the optimization of pure non-sequential systems. This article describes what the Orthogonal Descent optimizer is, how to use it, and gives some examples of its use.]]></description>
			<author>no@spam.com (Mark Nicholson)</author>
			<pubDate><![CDATA[Mon, 07 May 2007 00:00:00 PDT]]></pubDate>
			<guid isPermaLink="true">http://www.zemax.com/kb/articles/182/1/What-Is-the-Orthogonal-Descent-Optimizer/Page1.html</guid>
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			<title><![CDATA[How to Improve the Brightness of an LED Using a Free-Form Mirror]]></title>
			<link>http://www.zemax.com/kb/articles/148/1/How-to-Improve-the-Brightness-of-an-LED-Using-a-Free-Form-Mirror/Page1.html</link>
			<description><![CDATA[This article describes how to optimize a free-form mirror to improve the brightness of an LED source. A brightness increase of 13x is achieved. <br/><br/>It is also a useful guide to the optimization of any general non-sequential system, and includes tips, techniques and (how to avoid) pitfalls in the optimization of such systems.<br/>]]></description>
			<author>no@spam.com (Mark Nicholson)</author>
			<pubDate><![CDATA[Tue, 21 Nov 2006 00:00:00 PST]]></pubDate>
			<guid isPermaLink="true">http://www.zemax.com/kb/articles/148/1/How-to-Improve-the-Brightness-of-an-LED-Using-a-Free-Form-Mirror/Page1.html</guid>
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			<title><![CDATA[How to Choose the Best Glasses for your Optical Design ]]></title>
			<link>http://www.zemax.com/kb/articles/140/1/How-to-Choose-the-Best-Glasses-for-your-Optical-Design-/Page1.html</link>
			<description><![CDATA[This article&nbsp;explains: 
<ul>
<li>The limitations of traditional glass choice methods like Conrady d-D and the use of model glasses 
</li><li>How to use the Glass Substitution method for direct glass optimization 
</li><li>How to further restrict glass choice to include factors like glass availability, cost, climate resistance etc.</li></ul>]]></description>
			<author>no@spam.com (Nam-Hyong Kim)</author>
			<pubDate><![CDATA[Thu, 05 Oct 2006 00:00:00 PDT]]></pubDate>
			<guid isPermaLink="true">http://www.zemax.com/kb/articles/140/1/How-to-Choose-the-Best-Glasses-for-your-Optical-Design-/Page1.html</guid>
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			<title><![CDATA[How To Optimize for As-Built Performance]]></title>
			<link>http://www.zemax.com/kb/articles/133/1/How-To-Optimize-for-As-Built-Performance/Page1.html</link>
			<description><![CDATA[This article explains how to use the TOLR operand to perform an optimization that fully accounts for all manufacturing defects. The technique is robust and stable, and takes full advantage of ZEMAX' ability to run large calculations over multiple processors.]]></description>
			<author>no@spam.com (Mark Nicholson)</author>
			<pubDate><![CDATA[Thu, 14 Sep 2006 00:00:00 PDT]]></pubDate>
			<guid isPermaLink="true">http://www.zemax.com/kb/articles/133/1/How-To-Optimize-for-As-Built-Performance/Page1.html</guid>
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			<title><![CDATA[How To Write Your Own Optimization Operand]]></title>
			<link>http://www.zemax.com/kb/articles/86/1/How-To-Write-Your-Own-Optimization-Operand/Page1.html</link>
			<description><![CDATA[This article explains how to utilize a user-defined macro to calculate and return a value to the Merit Function Editor for optimization.]]></description>
			<author>no@spam.com (Dan Hill)</author>
			<pubDate><![CDATA[Wed, 01 Feb 2006 00:00:00 PST]]></pubDate>
			<guid isPermaLink="true">http://www.zemax.com/kb/articles/86/1/How-To-Write-Your-Own-Optimization-Operand/Page1.html</guid>
		</item>
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			<title><![CDATA[Optimizing an Infrared Lamp Heater]]></title>
			<link>http://www.zemax.com/kb/articles/69/1/Optimizing-an-Infrared-Lamp-Heater/Page1.html</link>
			<description><![CDATA[This article describes work I did to improve an existing infrared lamp heater in a so called horizontal geometry MOCVD reactor. ZEMAX was used to model and optimize the heater geometry using non-sequential ray-tracing.]]></description>
			<author>no@spam.com (Oliver Stier)</author>
			<pubDate><![CDATA[Mon, 24 Oct 2005 00:00:00 PDT]]></pubDate>
			<guid isPermaLink="true">http://www.zemax.com/kb/articles/69/1/Optimizing-an-Infrared-Lamp-Heater/Page1.html</guid>
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