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Featured researches published by Jun Hato.


Proceedings of SPIE | 2015

Low cost, high resolution optical coherence tomography utilizing a narrowband laser diode

Kentaro Osawa; Naoko Senda; Hiroyuki Minemura; Koichi Watanabe; Jun Hato; Daisuke Tomita

We developed a low cost, high resolution optical coherence tomography system utilizing a narrowband laser diode (LD), which is usually used in optical pickup for compact disc. To achieve high axial resolution even with the narrow bandwidth of the LD, we have constructed a free space interferometer including a phase-diversity detection system and a high numerical aperture (NA) objective. The axial and lateral resolution in the air was about 2.6 μm and 1 μm, respectively. The tomographic imaging of biological tissue was demonstrated, and the results showed that our OCT system enabled cellular-level imaging.


Archive | 2013

LIGHT SOURCE DEVICE AND IMAGE DISPLAY APPARATUS

Nobuhiro Konuma; Jun Hato; Akio Yabe


Archive | 2007

Object lens drive unit

Seiichi Katou; Katsuhiko Kimura; Ryuichiro Mizuno; Hidenao Saito; Jun Hato


Archive | 2006

Object lens actuator

Manabu Ochi; Katsuhiko Kimura; Hidenao Saito; Jun Hato


Archive | 2013

OPTICAL DISK DEVICE AND OPTICAL PICKUP THEREFOR

Daisuke Tomita; Jun Hato; Kenji Kiya; Tsukasa Takahashi


Archive | 2013

Objective lens actuator for enabling to reduce the dynamic tilt between optical disc and objective lens

Yoshihiro Sato; Hidenao Saito; Seiichi Kato; Jun Hato; Ryuichiro Mizuno; Katsuhiko Kimura


Archive | 2011

OBJECTIVE LENS DRIVING APPARATUS, OPTICAL PICKUP

Yoshihiro Sato; Jun Hato; Katsuhiko Kimura; Seiichi Kato; Takahiro Yamaguchi


Archive | 2011

OBJECTIVE LENS DRIVE DEVICE AND OPTICAL PICKUP

Yoshihiro Sato; Hidenao Saito; Jun Hato; Ryuichiro Mizuno; Katsuhiko Kimura; Seiichi Kato


Archive | 2010

Optical pickup device having disc protector

Masayuki Okamura; Akiko Mizushima; Hidenao Saito; Jun Hato; Kazumi Takahashi


The Proceedings of Autumn Conference of Tohoku Branch | 2009

513 Tangential Tilt Actuator of Objective Lens for Optical Pickups

Yoshihiro Sato; Seiichi Kato; Katsuhiko Kimura; Hidenao Saito; Ryuuichiro Mizuno; Jun Hato

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