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Low gain settings with small area scanner

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Answered (Verified) This post has 1 verified answer | 2 Replies | 1 Follower

Top 50 Contributor
21 Posts
Points 244
Zhuoyang posted on Sun, Mar 27 2011 8:50 PM

Hi,

    In Innova User Manual I read this sentence: "The low gain settings should be 

used for atomic scale imaging with the large area scanner." 

    My question is whether the low gain settings could be used with the small area scanner?

    Thank you!

    Zhuoyang

  • | Post Points: 12

Answered (Verified) Verified Answer

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Answered (Verified) replied on Mon, Mar 28 2011 11:38 AM
Verified by Zhuoyang

Hi Zhuoyang,

There is really no measurable benefit to use the low gain settings with the small range scanner. This scanner  has an xy range of < 5 um. The 20bit control DACs of the Nanodrive controller provide fine enough steps in regular (high) gain.

If you want to play with it nevertheless go ahead. Just make sure that you leave the z-range in high gain as low gain would provide a z-range too small for most conditions.

Best,

Stefan

  • | Post Points: 13

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Reply
Answered (Verified) replied on Mon, Mar 28 2011 11:38 AM
Verified by Zhuoyang

Hi Zhuoyang,

There is really no measurable benefit to use the low gain settings with the small range scanner. This scanner  has an xy range of < 5 um. The 20bit control DACs of the Nanodrive controller provide fine enough steps in regular (high) gain.

If you want to play with it nevertheless go ahead. Just make sure that you leave the z-range in high gain as low gain would provide a z-range too small for most conditions.

Best,

Stefan

  • | Post Points: 13
Top 50 Contributor
21 Posts
Points 244
Reply
Zhuoyang replied on Tue, Mar 29 2011 9:14 PM

Thanks a lot

  • | Post Points: 10
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