Mr. Naoki Fujiwara Profile

Naoki Fujiwara

at NTT Photonics Labs

SPIE Involvement:

Author

Publications (4)

Proceedings Article | 5 March 2008 Paper

Doppler optical coherence tomography measurements in discretely swept optical frequency domain imaging

Reiko Yoshimura, Hideaki Hiro-Oka, DongHak Choi, Hiroyuki Furukawa, Naoki Fujiwara, Kohji Ohbayashi

Proceedings Volume 6847, 68472G (2008) https://doi.org/10.1117/12.764331

KEYWORDS: Optical coherence tomography, Doppler tomography, Light sources, Imaging systems, Optical imaging, Doppler effect, Optical testing, Biomedical optics, Photonics, Phase shifts

Read Abstract +

Proceedings Article | 5 March 2008 Paper

Single-mode 140 nm swept light source realized by using SSG-DBR lasers

N. Fujiwara, R. Yoshimura, K. Kato, H. Ishii, F. Kano, Y. Kawaguchi, Y. Kondo, K. Ohbayashi, H. Oohashi

Proceedings Volume 6847, 684713 (2008) https://doi.org/10.1117/12.765392

KEYWORDS: Wavelength tuning, Optical coherence tomography, Terahertz radiation, Light sources, S band, Tunable filters, Image enhancement, Semiconductor lasers, Absorption, Oscilloscopes

Read Abstract +

Proceedings Article | 7 February 2007 Paper

Discretely swept optical-frequency domain imaging toward high-resolution, high-speed, high-sensitivity, and long-depth-range

K. Ohbayashi, T. Amano, H. Hiro-oka, H. Furukawa, D. Choi, P. Jayavel, R. Yoshimura, K. Asaka, N. Fujiwara, H. Ishii, M. Suzuki, M. Nakanishi, K. Shimizu

Proceedings Volume 6429, 64291G (2007) https://doi.org/10.1117/12.703963

KEYWORDS: Optical coherence tomography, Laser development, Image enhancement, In vivo imaging, Semiconductor optical amplifiers, Telecommunications, Prototyping, Switching, Imaging systems, Optical amplifiers

Read Abstract +

Proceedings Article | 7 February 2007 Paper

A method of improving scanning speed and resolution of OFDR-OCT using multiple SSG-DBR lasers simultaneously

DongHak Choi, Hideaki Hiro-Oka, Takuji Amano, Hiroyuki Furukawa, Naoki Fujiwara, Hiroyuki Ishii, Kohji Ohbayashi

Proceedings Volume 6429, 64292E (2007) https://doi.org/10.1117/12.704250

KEYWORDS: Optical coherence tomography, Mirrors, Reflectivity, Interferometers, Solids, Pellicles, L band, Data acquisition, Time metrology, Switching

Read Abstract +

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years