In this paper, the optical fber tweezers technology is frstly applied to the light wave-particle duality demonstration experiment device to realize the simultaneous demonstration of optical wave property and particle property. Based on optical trapping technology, the device achieved the three-dimensional spatial capture, orientation and manipulation of particles, which reflects the particle property of light. The beams reflected from the fber end and the trapped particle surface can interfere. Based on the interferometry technology, the device achieved the record and detection of the interferometric signals, which reflects the wave property of light. The device is low in cost, small in size, and highly integrated.
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