Mie-theory calculations show magnetic-quadrupole dark trapping of WS2 particles (mass ~5e11 amu) yields Γ/Ω ≃ 0.02 and low internal heating, extending coherence ~1000× versus equal-mass silica in bright traps.
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Dark Optical Trapping of Resonant Transition-Metal Dichalcogenide Particles
Mie-theory calculations show magnetic-quadrupole dark trapping of WS2 particles (mass ~5e11 amu) yields Γ/Ω ≃ 0.02 and low internal heating, extending coherence ~1000× versus equal-mass silica in bright traps.