Grating-Coupled Nanofocusing of Ultrafast Surface Plasmon Pulses at 400 and 800 nm using an Aluminum Tapered Tip

Keita Tomita; Yasuhiro Kojima; Fumihiko Kannari

Presentation information

Oral presentation

3 Optics and Photonics » 3.12 Nanoscale optical science and near-field optics

[14a-F202-1~12] 3.12 Nanoscale optical science and near-field optics

3.11と3.12のコードシェアセッションあり

Tue. Mar 14, 2017 9:00 AM - 12:15 PM F202 (F202)

Tetsu Tatsuma(Univ. of Tokyo)

10:00 AM - 10:15 AM

[14a-F202-5] Grating-Coupled Nanofocusing of Ultrafast Surface Plasmon Pulses at 400 and 800 nm using an Aluminum Tapered Tip

〇Keita Tomita¹, Yasuhiro Kojima¹, Fumihiko Kannari¹ (1.Keio Univ.)

Keywords:surface plasmon polariton (SPP), femtosecond laser, nanofocusing

Aluminum is expected to be able to excite surface plasmon polariton (SPP) which strongly confines and guides on the metal-dielectric interface in the visible and ultraviolet regions. To realize SPP pulse nanofocusing at 400 nm and 800 nm, we used an Aluminum tapered tip with a grating structure.