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<div>Hi,</div>
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We recently added a Gatan Biocontinuum energy filter to our Arctica and have run into a series of issues (both related and un-related) since then. A big question at the moment is the illumination - the beam seems dimmer than it should be, even though the FEG
passes the ThermoFisher "standard tests" for performance.</div>
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I'd like to collect from the community some data on "typical" illumination conditions (gun lens, spot size, dose rate) that people are using with various cameras on their Arcticas. We have a Ceta and a Falcon3 just below the FluCam, and then a K3 at the end
of the GIF.</div>
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Thanks for your input, and you can contact me directly if you want.</div>
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<span style="font-size: 12pt;">NOTE: my email has changed to dagmorga@iu.edu.</span><br>
<span style="font-size: 12pt;">Email to dagmorga@indiana.edu will stop being </span></div>
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<span style="font-size: 12pt;"> forwarded later this ye</span><span style="font-size: 10pt;">ar.</span></div>
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<div style="margin: 0px; font-family: Calibri, Arial, Helvetica, sans-serif;"> politics is more difficult than physics.</div>
<div style="margin: 0px; font-family: Calibri, Arial, Helvetica, sans-serif;"> A. Einstein</div>
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<div style="margin: 0px; font-family: Calibri, Arial, Helvetica, sans-serif;"> David Gene Morgan<br>
Electron Microscopy Center<br>
047E Simon Hall<br>
IU Bloomington<br>
812 856 1457 (office)<br>
812 856 3221 (3200)<br>
<a href="https://urldefense.com/v3/__http://iubemcenter.indiana.edu__;!!Mih3wA!Ax143Wgynsc-48wlnZHBhY3I-rlRERWJb3zrg0V23zN-Kwu0N6O1DOhwwns6Pl4VPznRuhouH-oT9PsyetY$">http://iubemcenter.indiana.edu</a></div>
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