Title :
Laser direct write near-field nanopatterning using optically trapped microspheres
Author :
McLeod, Euan ; Arnold, Craig B.
Author_Institution :
Mech. & Aerosp. Eng., Princeton Univ., Princeton, NJ
Abstract :
We use Bessel beam optical traps to self-position microsphere objectives near surfaces. Pulsed laser illumination of these objectives is used to perform near-field direct-write subwavelength optical nanopatterning with 100 nm feature sizes.
Keywords :
high-speed optical techniques; laser materials processing; nanopatterning; radiation pressure; surface treatment; Bessel beam optical traps; laser direct write near-field optical nanopatterning; optically trapped microspheres; pulsed laser illumination; self-position microsphere objectives; size 100 nm; Biomedical optical imaging; Charge carrier processes; Laser beams; Nanopatterning; Optical pulses; Optical scattering; Optical surface waves; Substrates; Surface emitting lasers; Ultrafast optics; (350.3390) Laser materials processing; (350.4855) Optical tweezers or optical manipulation;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9