什么是material Optical Density?

Optical Density Absorption Parameters J2'Nd'  

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Load -- Displays the Open dialog box so that you can find and select an existing file containing the wavelength and optical density values. +\F'iAs@

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The example below shows the format for an optical density file. "4uS3h2r  
Data file for optical density (]Y 5eM  
dfat version 1.0 &N
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dataname: Optical Density Values xwJH(_-  
datapairs: wv od 2vAQ  
400 .023 FW/W%^  
500 .332 :'~Y  
600 .4 L$IQuy
 
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