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Why TRL cal is possibly more accurate than OSLT cal?

Question asked by DeeLau Employee on Mar 18, 2009
Latest reply on May 5, 2009 by daveb
given the same situation, why TRL cal is possibly more accurate than OSLT cal?

I think the reasons are as follows, pls give me a hand.
<1>Is it because the residual sys error of TRL cal is better than OSLT cal?
<2>the TRL cal kit can be the primary kit and can be built to high quality?
<3>model fitting errors is a key source for OSLT cal standard error

thanks.  

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