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201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
201713119 山本健太 #1 (鬼コース)
pump-probe方式で,アブレーション等による表面の変化を
動的に観測するシステム
動的に観測するシステムはこれまでなかった
pump-probe方式で,delayさせたレーザーを当てながら動的
に観測する
実際に撮像し,一定時間後の形状と比較して本当にとれてい
るか確認した
動的にとれるとどれくらい嬉しいのだろうか
Direct femtosecond laser surface nano/microstructuring and
its applications
Direct visualization of the complete evolution of femtosecond laser-induced surface structural dynamics of metals
(Light: Science Applications 2017, Fang, Ranran and Vorobyev, Anatoliy and Guo, Chunlei)
201713119 山本健太 #2 (鬼コース)
直接フェムトを当てて加工する論文に関するReview論文
- 表面にナノ/マイクロ構造を直接加工
- 金属に対する周期的なレーザー加工構造
- 単体のナノホールやアレイ状のナノ/マイクロホール
- ナノ構造テクスチャが施されたマイクロ構造
- フェムトレーザーによる消去や研磨
- アプリケーション
Controlled nanostructrures formation by ultra fast laser
pulses for color marking
Direct femtosecond laser surface nano/microstructuring and its applications
(Laser Photonics Reviews 2013: Vorobyev, Anatoliy Y and Guo, Chunlei)
201713119 山本健太 #2 (鬼コース)
色を彫刻するためのナノ構造を金属表面にフェムトレーザー
で
2010なので,コントロールされたナノ構造を金属表面に
レーザーで構築していく手法の新しさ
ナノ構造を制御するためのレーザー入射角度などの設計
実際に作ってSEM撮像の確認+実物のカラー確認
なぜ多くの場合,2軸に分けた後CCDに入れる光路を作るの
か?
Laser-induced periodic surface structures̶a scientific
evergreen
Controlled nanostructrures formation by ultra fast laser pulses for color marking
(Optics express 2010, Dusser, Benjamin and Sagan, Z and Soder, Herv{'e} and Faure, Nicolas and Colombier, Jean-Philippe and Jourlin, Michel and Audouard, Eric)
201713119 山本健太 #2 (鬼コース)
Laser-Indecude Periodic Surface Structures (LIPSS)に関する
Review論文
- LSFLとHSFLの2種類のメカニズムがある
- 制御にはsingle-pulse sequence, double-pulse sequence,時
間分割回折がある
- アプリケーションとしては,構造色・疎水性・細胞増殖・
トライボロジー(潤滑・摩擦など)などが挙げられる
Generation of bioinspired structural colors via two-photon
polymerization
Laser-induced periodic surface structures—a scientific evergreen
(IEEE Journal of Selected Topics in Quantum Electronics 2017: Bonse, J{"o}rn and H{"o}hm, Sandra and Kirner, Sabrina V and Rosenfeld, Arkadi and Kr{"u}ger, J{”o}rg)
201713119 山本健太 #2 (鬼コース)
モルフォ蝶の構造のようなものを2-photon polymerization
(2PP)で作成する
ポリマー使ってるから,複雑な手順なしに3次元的に構造が
作れる
3次元的に作るためにポリマー使用するのと,レーザー加工
の手法
実際に作ったもののSEMと色検証
ポリマー使って3次元の問題解決はどれくらい嬉しいのかよ
くわかんない
Electrically and electrohydrodynamically driven phase
transition and structural color switching of oligomer
tethered 2D colloid
Generation of bioinspired structural colors via two-photon polymerization
(Scientific reports 2017, Zyla, Gordon and Kovalev, Alexander and Grafen, Markus and Gurevich, Evgeny L and Esen, Cemal and Ostendorf, Andreas and Gorb, Stanislav)
201713119 山本健太 #2 (鬼コース)
電圧などを変えることで,結晶の向きを変えて(液晶的),
構造色のスイッチングを実現
alpha zirconium phosphateを使って綺麗に構造色のスイッチ
ングを実現した点
コロイド状のalpha zirconium phosphateの形状と電荷をどう
かけるかの設計論
実際にかける電圧などを変えたりして,結果を見たり
どれくらい自由度高いのだろうか
Programming Nanoparticles in Multiscale: Optically
Modulated Assembly and Phase Switching of Silicon
Nanoparticle Array
Electrically and electrohydrodynamically driven phase transition and structural color switching of oligomer tethered 2D colloid
(RSC Advances 2018, Masud, Aurangzeb Rashid and Hong, Seung-Ho and Shen, Tian-Zi and Shahzad, Amir and Song, Jang-Kun)
201713119 山本健太 #2 (鬼コース)
ナノパーティクルのパターンを,パルスのエネルギーや変更
などによって調整
ナノパーティクルを正確に調整できて,位相も変えれるとこ
ろ
レーザーのパルスや,2回目加工など(正確にはわかりきっ
てない)
実際に作ってSEM含め計測
静的に?位相変えれるとどう嬉しいのか
Laser-Induced Graphene by Multiple Lasing: Toward
Electronics on Cloth, Paper, and Food
Programming Nanoparticles in Multiscale: Optically Modulated Assembly and Phase Switching of Silicon Nanoparticle Array
(ACS nano 2018, Wang, Letian and Rho, Yoonsoo and Shou, Wan and Hong, Sukjoon and Kato, Kimihiko and Eliceiri, Matthew and Shi, Meng and Grigoropoulos, Costas P and Pan, Heng and Carraro, Carlo and others)
201713119 山本健太 #2 (鬼コース)
グラフェンをCO2レーザーによって衣服や紙,食べ物に刻印
する
シングル光路でdefocusメソッドを使うことで実現した点
defocusにすると物体への当たり方が変わるので,それを用
いることで1つの光路でのレーザー加工を実現した
実際に作成し,SEMと実物の確認
グラフェンを食べ物に刻めると何が嬉しいのか
食べ物の制約はどれくらいあるのか
Holographic Resonant Laser Printing of metasurfaces using
plasmonic template
Laser-Induced Graphene by Multiple Lasing: Toward Electronics on Cloth, Paper, and Food
(ACS nano 2018, Chyan, Yieu and Ye, Ruquan and Li, Yilun and Singh, Swatantra Pratap and Arnusch, Christopher J and Tour, James M)
201713119 山本健太 #2 (鬼コース)
プラズモンのテンプレにレーザーでメタ表面を作ること
ホロパターンをうってるっぽい?(Fresnel Zone Plateとの比較がよく出てき
た)
SLMまで使って結構光学のセットアップが重い
SLM使って簡単に?回折レンズ?を作っている点?
実際に作ったもの
白色以外の光を入れたりするとどうなるのか
また方向に対してどれほどロバストなのか
2017.Direct visualization of the complete evolution of
femtosecond laser-induced surface structural dynamics of
metals
Holographic Resonant Laser Printing of metasurfaces using plasmonic template
(ACS Photonics 2018, Schultz Carstensen, Marcus and Zhu, Xiaolong and Esther Iyore, Oseze and Mortensen, N Asger and Levy, Uriel and Kristensen, Anders)
201713119 山本健太 #2 (鬼コース)
フェムト秒レーザーを用いたmicro/nano構造加工のReview論文
各構造を加工する際のレーザーのパラメータなどが,実験を通して
得られたデータとして詳述されている
- ナノ構造
- ランダムナノ構造:ニッケル表面への加工など
- 周期的ナノ構造:チタン表面への加工など
- ナノの特徴を持ったマイクロ構造
- 波打つ溝やmicro-Ripple:チタン表面への加工など
- 円柱構造:
- その他構造:ホール構造
2016.Bio-Inspired Functional Surfaces Based on Laser-
Induced Periodic Surface Structures
Light-Induced Tuning and Reconfiguration of Nanophotonic Structures
(Laser Photonics Reviews 2017: Makarov, Sergey V and Zalogina, Anastasia S and Tajik, Mohammad and Zuev, Dmitry A and Rybin, Mikhail V and Kuchmizhak, Aleksandr A and Juodkazis, Saulius and Kivshar, Yuri)
201713119 山本健太 #2 (鬼コース)

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