Title :
Chiral structure control of metal nano-needles fabrictaed by optical vortex laser ablation
Author :
Takahashi, Fuyuto ; Toyoda, Kentaroh ; Takizawa, Shun ; Miyamoto, Katsuhiko ; Morita, Ryuji ; Omatsu, Takashige
Author_Institution :
Grad. Sch. of Adv. Integration Sci., Chiba Univ., Chiba, Japan
Abstract :
We discovered that chiral-structure of nano-needles fabricated by optical vortex laser ablation can be controlled by changing the magnitude of orbital angular momentum. We also demonstrated the formation of a chiral Si-bump.
Keywords :
angular momentum; elemental semiconductors; laser ablation; nanofabrication; nanostructured materials; optical vortices; semiconductor growth; silicon; Si; chiral Si-bump; chiral structure control; metal nanoneedles; optical vortex laser ablation; orbital angular momentum; Educational institutions; Laser ablation; Laser theory; Metals; Optical vortices; Silicon; Spirals;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
