Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Kazue Ozono"'
Publikováno v:
Applied Physics A. 79:1679-1685
We have developed an automatic pulsewidth-adjustable femtosecond Ti:Sapphire laser system that can generate an output of 50 fs-1 ps in duration, and sub-mJ/pulse at a repetition rate of 1 kpps. The automatic pulse compressor enables one to control th
Publikováno v:
The Review of Laser Engineering. 32:121-125
Publikováno v:
Optics Communications. 189:103-106
Using intense femtosecond laser (150 fs, 790 nm, 1 kpps), precise and high-speed laser ablation etching of hexagonal GaN is demonstrated. Etch rate above the ablation threshold is measured to be
Autor:
Tetsumi Watanabe, Takeyoshi Nakayama, Kazuyuki Okada, Takaomi Matsutani, Kensuke Murai, Y Maezono, H Yanagita, K Nishi, J Miyano, null Yokotani, K Kurosawa, W Sasaki, N Hishinumac, H Matsuno, H Yuasa, M Okoshi, N Inoue, Y Watanabe, M Kuramatsu, Y KAWAKAMI, E OZAWA, Minoru UEHARA, Toshiyuki ITO, Shouzaburo TOYODA, Yukio IWASAKI, Kunio HARA, Hidehiko MIYAO, Masahiro Tsukamoto, Manabu Tanaka, Nobuyuki Abe, Kazuhiro Nakata, Masao Ushio, Choijil Baasandash, Jun MAEHARA, Masamiti NAKAGAWA, Takashi YABE, Masashi Iwamoto, Hajime Ebisutani, Noriyo Sakurada, Yoshio Ishii, Kazuhiro Watanabe, Yuzuru Kubota, K. Tokumura, T. Jitsuno, M. Nakatsuka, S. Motokoshi, H. Tamamura, N. Aoki, K. Sugioka, K. Obata, T. Akane, T. Takahashi, S. H. Cho, H. Kumagai, K. Toyoda, K. Midorikawa, M. Mizumachi, K. Suzuki, M. Toda, M. Murahara, E. Fujiwara, T. Hino, M. Yatsuzuka, K. Yoshida, A. Nishiguchi, Toshihiko Ooie, Mayumi Tode, Yasuo Takagawa, K. Takahashi, T. Yoneyama, M. Osawa, Katsunori Tsunoda, Daisuke Kumaki, Hirofumi Yajima, Tadahiro Ishii, Haruo Kawai, S. Ohta, H. Nagata, H. Yoneda, K. Ueda, Richard More, Toshihara Makino, Yuka Yamada, Nobuyasu Suzuki, Takahito Yoshida, Seinosuke Onari, Yoshiki Nakata, Tatsuo Okada, Mitsuo Maeda, Tomomasa Ohkubo, Masahiro Kuwata, Boris Luktyanchuk, T. Otubo, J. Mune, Y. Katuta, S. Kubodera, Hiroyuki Niino, Tadatake Sato, Akiko Narazaki, Akira Yabe, T. Tsuchiya, A. Watanabe, Y. Imai, I. Yamaguchi, T. Manaba, T. Kumagai, S. Mizuta, Tomoyuki Shimoda, Kosuke Takahashi, Minoru Obara, I. Nagata, S. Jogan, M. Enomoto, Masaru Kawarazaki, K. Kawahara, Hiroyuki Furukawa, Masaki Hashida, Yoichi Hirayama, Kazue Ozono, S. Koito, K. Shihoyama, M. Kawachi, S. Souma, Manabu Taniwaki, Fumio Kokai, Akiko Goto, Yoshinori Koga, A. Masagaki, M. Miyazawa, Sadao Higuchi, Kiyotaka Ueda, Y. Ishida, S. Fukaya, Y. Ogawa, H. Ohmuro, Y. Sato, H. Tokunaga, M. Yamanaka, Kouki Shimizu, Katsuaki Ohashi, Kiyoshi Kurosawa, Takashi Katagiri, Yuji Matsuura, Mitsunobu Miyagi, Takashi Yamamoto, Goro Takada, M. YODA, N. MUKAI, T. UEHARA, Y. SANO, N. SUEZONO, K. HIROTA, K. MIYAZATO, Fabien Barnier
Publikováno v:
The Review of Laser Engineering. 29:99-101,104
Ablation processing of advanced biomedical materials by pulsewidth variable femtosecond laser pulses
Autor:
Kazue Ozono, Minoru Obara
Publikováno v:
2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666).
In this paper, we report on the demonstration of ablation processing of HAp and collagen using a high-intensity femtosecond laser with pulsewidth of 50 fs, 500 fs and 2 ps at a wavelength of 820 nm and at 1 kpps. We also address the chemical properti
Publikováno v:
The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2003. LEOS 2003..
This paper reports on the demonstration of ablation processing of hydroxyapatite (HAp) and collagen using a high intensity femtosecond laser with pulsewidth controllable from 50 fs to 2.5 ps operating at 1 kpps. This work focuses on the chemical prop
Publikováno v:
SPIE Proceedings.
We have studied femtosecond laser ablation characteristics of LiNbO 3 for the first time. LiNbO 3 is ferroelectric material with large optical nonlinearity and Pockels effect. The femtosecond laser ablation is very useful to fabricate various optical
Publikováno v:
SPIE Proceedings.
We have been working on the tailored ablation processing of advanced materials using femtosecond lasers. Here we would like to focus on the femtosecond laser processing tailored for hydroxyapatite. Hydroxyapatite is a key material of human tooth and
Publikováno v:
SPIE Proceedings.
In recent years, femtosecond laser processing of human hard/soft tissues has been studied. Here, we have demonstrated ablation etching of hydroxyapatite. Hydroxyapatite (Ca10(PO4)6(OH)2) is a key component of human tooth and human bone. The human bon
Autor:
Kazue Ozono, M. Obara
Publikováno v:
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242).
We report on the demonstration of non-thermal, high-speed microstructure fabrication of GaN and Si substrates using high-intensity femtosecond laser at 800 nm and at repetition rate of 1 kpps. We focus on the etching characteristic of wide-band gap G