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Showing 1 to 2 of 2 for “"non Newtonian gravity"”.
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Ultrasensitive Force Sensing with Nanospheres in an Optical Standing Wave Trap
… neutral force sensor is to test for non-Newtonian gravity-like forces on the micron scale. In order to push our sensitivities even further toward this goal, we have developed a second optical standing wave trap system. Using two laser frequencies, 1596 nm and 1064 nm, incident on a …
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Calibration of an optically levitated microsphere as a force sensor
… it is possible to test for corrections to Newtonian gravity at 1µm length scales. This thesis describes the experimental setup of optically trapping and cooling a 3µm sphere as well as a technique to calibrate the force sensitivity using applied electric fields. The long term goal of the …