Ultra parallel quartz wafers from Hoya?

Hi all,

 

Does anyone have a Hoya quartz UP wafer that I could look at under an interferometer?  (or any comments on how flat/parallel they or other quartz wafers are?)  

 

Thanks,

-Meredith 

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Meredith M. Lee
Stanford University
Ph.D. Candidate, Dept. of Electrical Engineering
President, Stanford Student OSA/SPIE

Center for Integrated Systems
420 Via Ortega, Stanford, CA 94305-4075
Fax: (650) 723-4659
mmlee@stanford.edu