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<p>Hello again,</p>
<p>I was wrong about location in last mail, but it is now corrected.</p>
<p>Regards</p>
<p>dag</p>
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<p>Hi All,</p>
<p>You are all very welcome to Valeria´s thesis presentation. Cake
will be served afterwards.</p>
<div class="moz-forward-container">Regards</div>
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<div class="moz-forward-container">Dag</div>
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<div class="moz-forward-container">Location: Nexus<br>
<br>
Time: Tuesday 27/2 15.00<br>
<br>
Speaker: Valeria Zuñiga Pérez<br>
<br>
<br>
Title: Exploring Dynamics of Micro-sized Liquid<br>
Particles in Double Potential Optical Trap<br>
<br>
The Abstract:<br>
Optical levitation, enabled by the radiation pressure of<br>
light, lifts and holds small particles in mid-air without physical<br>
contact by utilizing photons’ momentum, offering precise
manipulation<br>
through control of light properties like intensity, focus, and<br>
polarization. This thesis addresses the experiment of a double<br>
potential optical trap in order to characterize the latter and the<br>
trapped particle, as well as the dynamics of the system. The trap
is<br>
made up of two strongly focused lasers and by utilizing liquid<br>
particles instead of solid ones, the effects of particle shape<br>
irregularities and optical force imbalances have been mitigated,<br>
yielding more reliable data on particle movement and position.
With<br>
the variables of the distance between the traps, relative power<br>
between both, and the size of the particles, we tried to observe
the<br>
greatest number of jumps possible. In this thesis you will find
the<br>
jumps made by the liquid particle, both defined and undefined, and
the<br>
analysis of jumping rates. Concluding that in fact a micrometric<br>
liquid particle also jumps feeling the double potential, all in
air.<br>
<br>
<img src="cid:part1.VfVZOLJv.geudi1Hm@physics.gu.se" alt="" class="" width="328" height="295"><img src="cid:part2.yEWoedL0.TFYIeFSI@physics.gu.se" alt="" class="" width="535" height="296"></div>
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