Browsing by Author "Fahmida Akter"

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    Light Induced Pulling Force on Canopy Shaped Silver Particles
    (North South University, 2023) Mushfirah Mortuza; Fahmida Akter; Mithila Siddique; Dr. Mahdy Rahman Chowdhury; 1921850043; 1921083043; 1921106643
    Optical pulling force research is gaining prominence alongside the widely studied optical pushing force. Researchers are currently focusing on the phenomenon of using light to pull particles, which has resulted in an increase in the number of studies on this subject. We used sunlight to drag a particle toward the sun to experiment with pulling force. In this experiment, we use lossy silver material to simulate a specific shape, such as a boat canopy. When light interacts with this shape, we calculate force using the tensor equation of force and observe that the particle is traveling toward the source. Though we get pulling force when we use lossy material, we notice the opposite when we use lossless material. This work paves the path for further investigations into the possibilities of shape-based pulling forces, opening up new avenues for inquiry and analysis.