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Subject: double crystal monochromator
From: 梁雅翔 <liangyx@ihep.ac.cn>
To: mooney <mooney@aps.anl.gov>
Cc: tech-talk <tech-talk@aps.anl.gov>
Date: Wed, 7 Jun 2017 20:38:51 +0800 (GMT+08:00)
Hi Mooney,
   I have some more question about the optics.
   We are using the double crystal monochromator( geometry2 ). 
   I read your Instructions:http://www.aps.anl.gov/bcda/synApps/optics/opticsDocs.html

   The difference between the kohzu2Graphic.opi and ours was that, we just have four motors: one for No.2 crystal pitch, one for No.2 crystal raw, one for No.2 crystal move vertically (to adjust the height of lights), and one for bragg angle.
   When I set the st.cmd, I found that only "M_THETA, M_Y, M_Z,GEOM" could be set. I think these were different from our monochromator. I think we should set the mCHI2. And what was the GEOM means?

  Could you give me some suggestion?
Regards,
Liang yx


Replies:
Re: double crystal monochromator Mooney, Tim M.

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