什么是material Optical Density?

Optical Density Absorption Parameters Ic K=E]p  

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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. 8ilbX)O

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The example below shows the format for an optical density file. S nHAY<  
Data file for optical density F4x7;?W{*  
dfat version 1.0 C]fTV{  
dataname: Optical Density Values <.b$ gX  
datapairs: wv od  >Gu0&  
400 .023 3ms/v:\  
500 .332 LrMFzd}_O  
600 .4 [bG>qe1}&  
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