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physics.optics2025
Selective Tweezing and Immobilization of Colloids for Dexterous Manipulation of Biological Materials
Krishangi Krishna, Jieliyue Sun, Zhaowei Jiang +3
The assembly of arbitrary 3D structures using nano- to micron-scale colloidal building blocks has broad applications in photonics, electronics, and biology. Combining optical tweez…
physics.optics2025
Harnessing ultrafast optical pulses for 3D microfabrication by selective tweezing and immobilization of colloidal particles in an integrated system
Krishangi Krishna, Jieliyue Sun, Wenyu Liu +2
Microfabrication using nano- to micron-sized building blocks holds great potential for applications in next-generation electronics, optoelectronics, and advanced materials. However…
physics.optics2024
Femtosecond laser-assisted selective holding with ultra-low power for direct manipulation of biological specimens
Krishangi Krishna, Joshua A. Burrow, Zhaowei Jiang +3
Traditional optical tweezers techniques often rely on high-power continuous wave (CW) lasers, which can introduce unwanted thermal effects and photodamage to delicate samples. To o…