什么是material Optical Density? 謝謝!

你可以看看說明書 +z9@:L  
里面有一個(gè)optical density的例子,大概就是定義不同波長(zhǎng)光在材料里面的特性(吸收率?)
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Optical Density Absorption Parameters IL/Yc1  

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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. t&Os;x?To?

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The example below shows the format for an optical density file. p Rdk>Ph  
Data file for optical density ./j,
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dfat version 1.0 MF3b{|Z  
dataname: Optical Density Values )?