Particle Manipulation Based on Multiple Optical Potential Wells Using Optical Fiber Tweezers

We have constructed an integrated optical fiber tweezers (OFTs) platform based on double-core fibers (DCF) and Coreless fiber (CF), which is designed for trapping multiple particles. In this configuration, the DCF-guided LP₀₁ mode generates two mirror-symmetric Bessel-like beams within the CF. These beams form multiple independent optical potential well arrays at the end face of the CF. Using this OTFs, we successfully achieved stable trapping of three yeast cells. Furthermore, through precise optical power control, we demonstrated the trapping and dynamic rearrangement of three yeast cells.