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Research Output 1999 2019

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2019

Development of a novel noninvasive system for measurement and imaging of the arterial phase oxygen density ratio in the retinal microcirculation

Ishikawa, S., Yoshinaga, Y., Kantake, D., Nakamura, D., Yoshida, N., Hisatomi, T., Ikeda, Y., Ishibashi, T. & Enaida, H., Mar 4 2019, In : Graefe's Archive for Clinical and Experimental Ophthalmology. 257, 3, p. 557-565 9 p.

Research output: Contribution to journalArticle

Microcirculation
Oxygen
Breath Holding
Volunteers
Venules
1 Citation (Scopus)

Influence of Ni, Ti and NiTi alloy nanoparticles on hydrothermally grown ZnO nanowires for photoluminescence enhancement

Patra, N., Karuturi, S. K., Vasa, N. J., Nakamura, D., Higashihata, M., Singh, V. & Palani, I. A., Jan 5 2019, In : Journal of Alloys and Compounds. 770, p. 1119-1129 11 p.

Research output: Contribution to journalArticle

Nanowires
Photoluminescence
Metals
Nanoparticles
Metal nanoparticles

Microfabrication of Au film using optical vortex beam

Kawagoe, S., Nakamura, R., Tasaki, R., Oshima, H., Higashihata, M., Nakamura, D. & Omatsu, T., Apr 1 2019, In : Journal of Laser Micro Nanoengineering. 14, 1, p. 31-34 4 p.

Research output: Contribution to journalArticle

Open Access
Optical films
Microfabrication
Vortex flow
vortices
Angular momentum

Selective area laser-assisted doping of SiC thin films and blue light electroluminescence

Paneerselvam, E., Kikuchi, T., Ikenoue, H., Vasa, N. J., Palani, I. A., Higashihata, M., Nakamura, D. & Ramachandra Rao, M. S., Sep 12 2019, In : Journal of Physics D: Applied Physics. 52, 48, 48LT01.

Research output: Contribution to journalArticle

Electroluminescence
electroluminescence
p-n junctions
Doping (additives)
Thin films
2018
1 Citation (Scopus)

High-speed observation of semiconductor microsphere generation by laser ablation in the air

Tasaki, R., Higashihata, M., Suwa, A., Ikenoue, H. & Nakamura, D., Feb 1 2018, In : Applied Physics A: Materials Science and Processing. 124, 2, 161.

Research output: Contribution to journalArticle

Laser ablation
Microspheres
zinc oxides
laser ablation
Zinc Oxide
2 Citations (Scopus)

Influence of short pulse duration of carbon dioxide lasers on extreme ultraviolet emission from laser-produced plasmas

Amano, R., Dinh, T. H., Sasanuma, A., Arai, G., Hara, H., Fujii, Y., Hatano, T., Ejima, T., Jiang, W., Sunahara, A., Takahashi, A., Nakamura, D., Okada, T., Sakaue, K., Miura, T., O'Sullivan, G. & Higashiguchi, T., Jul 2018, In : Japanese Journal of Applied Physics. 57, 7, 070311.

Research output: Contribution to journalArticle

Carbon dioxide lasers
Semiconductor switches
Laser produced plasmas
carbon dioxide lasers
ultraviolet emission

Room temperature WGM resonances in the red spectral range from Ho3+ activated ZnO micro-spherical cavities

Fabitha, K., Nagasaki, F., Fujiwara, Y., Wakiyama, Y., Nakamura, D. & Ramachandra Rao, M. S., Jun 25 2018, In : Applied Physics Letters. 112, 26, 262102.

Research output: Contribution to journalArticle

whispering gallery modes
cavities
Q factors
room temperature
laser ablation
2017
4 Citations (Scopus)

Utilization of surface plasmon resonance of Au/Pt nanoparticles for highly photosensitive ZnO nanorods network based plasmon field effect transistor

Kumar, A., Dixit, T., Palani, I. A., Nakamura, D., Higashihata, M. & Singh, V., Sep 1 2017, In : Physica E: Low-Dimensional Systems and Nanostructures. 93, p. 97-104 8 p.

Research output: Contribution to journalArticle

Surface plasmon resonance
Field effect transistors
Nanorods
surface plasmon resonance
nanorods
2016
6 Citations (Scopus)

Catalyst-free growth of ZnO nanowires on various-oriented sapphire substrates by pulsed-laser deposition

Shimogaki, T., Takahashi, M., Yamasaki, M., Fukuda, T., Higashihata, M., Ikenoue, H., Nakamura, D. & Okada, T., Feb 1 2016, In : Journal of Semiconductors. 37, 2, 023001.

Research output: Contribution to journalArticle

Zinc Oxide
Aluminum Oxide
Pulsed laser deposition
Zinc oxide
Sapphire
4 Citations (Scopus)

Direct growth of graphene on SiC(0001) by KrF-excimer-laser irradiation

Hattori, M., Ikenoue, H., Nakamura, D., Furukawa, K., Takamura, M., Hibino, H. & Okada, T., Feb 29 2016, In : Applied Physics Letters. 108, 9, 093107.

Research output: Contribution to journalArticle

excimer lasers
graphene
irradiation
shot
lasers
2 Citations (Scopus)

Fabrication of P-, Sb-, and Mg-doped ZnO spherical microcrystals by laser ablation in air

Nakamura, D., Tanaka, T., Ueyama, T., Ikebuchi, T., Fujiwara, Y., Nagasaki, F., Takao, S., Higashihata, M., Ikenoue, H. & Okada, T., Jan 1 2016, In : Journal of Laser Micro Nanoengineering. 11, 3, p. 337-340 4 p.

Research output: Contribution to journalArticle

Microcrystals
whispering gallery modes
microcrystals
Laser ablation
Microspheres
3 Citations (Scopus)

Synthesis and characterization of Sb-doped ZnO microspheres by pulsed laser ablation

Nagasaki, F., Shimogaki, T., Tanaka, T., Ikebuchi, T., Ueyama, T., Fujiwara, Y., Higashihata, M., Nakamura, D. & Okada, T., Aug 1 2016, In : Japanese Journal of Applied Physics. 55, 8, 08RE07.

Research output: Contribution to journalArticle

Laser ablation
Zinc oxide
Microspheres
Pulsed lasers
zinc oxides
3 Citations (Scopus)

Synthesis of Spherical ZnO Microcrystals by Laser Ablation in Air

Nakamura, D., Tanaka, T., Ikebuchi, T., Ueyama, T., Higashihata, M. & Okada, T., Oct 1 2016, In : Electronics and Communications in Japan. 99, 10, p. 58-63 6 p.

Research output: Contribution to journalArticle

Microcrystals
Laser Ablation
Microspheres
microcrystals
Laser ablation
2015

Effect of laser irradiation on the properties of ZnO buffer layers and its application to selective-growth of ZnO nano/microcrystals

Shimogaki, T., Kawahara, H., Nakao, S., Harada, K., Higashihata, M., Ikenoue, H., Nakara, Y., Nakamura, D. & Okada, T., Jan 1 2015, In : Journal of Laser Micro Nanoengineering. 10, 3, p. 259-262 4 p.

Research output: Contribution to journalArticle

Microcrystals
microcrystals
Laser beam effects
Buffer layers
buffers
5 Citations (Scopus)

Generation of radially polarized high energy mid-infrared optical vortex by use of a passive axially symmetric ZnSe waveplate

Wakayama, T., Oikawa, H., Sasanuma, A., Arai, G., Fujii, Y., Dinh, T. H., Higashiguchi, T., Sakaue, K., Washio, M., Miura, T., Takahashi, A., Nakamura, D., Okada, T., Yonemura, M. & Otani, Y., Aug 24 2015, In : Applied Physics Letters. 107, 8, 081112.

Research output: Contribution to journalArticle

zinc selenides
vortices
pulses
energy conversion efficiency
energy
27 Citations (Scopus)

Influence of potassium permanganate on the anisotropic growth and enhanced UV emission of ZnO nanostructures using hydrothermal process for optoelectronic applications

Dixit, T., Bilgaiyan, A., Palani, I. A., Nakamura, D., Okada, T. & Singh, V., Sep 23 2015, In : Journal of Sol-Gel Science and Technology. 75, 3, p. 693-702 10 p.

Research output: Contribution to journalArticle

Potassium Permanganate
Nanorods
Optoelectronic devices
Potassium
Nanostructures
2 Citations (Scopus)

Laser doping of Sb into ZnO nanowires in the Sb nanoparticle-dispersed liquid

Kawahara, H., Shimogaki, T., Higashihata, M., Ikenoue, H., Nakamura, D. & Okada, T., Jun 22 2015, In : Applied Physics B: Lasers and Optics. 119, 3, p. 463-467 5 p.

Research output: Contribution to journalArticle

nanowires
nanoparticles
liquids
lasers
laser ablation
2 Citations (Scopus)

Optical characterization of ZnO microsphere produced by laser ablation in air

Nakamura, D., Tetsuyama, N., Shimogaki, T., Sato, Y., Mizokami, Y., Higashihata, M. & Okada, T., Jan 1 2015, In : Journal of Laser Micro Nanoengineering. 10, 2, p. 162-165 4 p.

Research output: Contribution to journalArticle

Whispering gallery modes
whispering gallery modes
Laser ablation
Microspheres
laser ablation
13 Citations (Scopus)

Phosphorus concentration dependent microstructure and optical property of zno nanowires grown by high-pressure pulsed laser deposition

Qiu, Z., Gong, H., Yang, X., Zhang, Z., Han, J., Cao, B., Nakamura, D. & Okada, T., Feb 26 2015, In : Journal of Physical Chemistry C. 119, 8, p. 4371-4378 8 p.

Research output: Contribution to journalArticle

Pulsed laser deposition
Phosphorus
Nanowires
pulsed laser deposition
phosphorus

Synthesis of spherical ZnO microcrystals by laser ablation in air

Nakamura, D., Tanaka, T., Ikebuchi, T., Ueyama, T., Higashihata, M. & Okada, T., Jan 1 2015, In : IEEJ Transactions on Electronics, Information and Systems. 135, 9, p. 1085-1089 5 p.

Research output: Contribution to journalArticle

Microcrystals
Laser ablation
Microspheres
Air
Whispering gallery modes
9 Citations (Scopus)

Ultraviolet lasing action in aligned ZnO nanowall

Harada, K., Nakao, S., Takahashi, M., Higashihata, M., Ikenoue, H., Nakamura, D., Nakata, Y. & Okada, T., Jun 28 2015, In : Applied Physics B: Lasers and Optics. 119, 3, p. 469-473 5 p.

Research output: Contribution to journalArticle

lasing
radiant flux density
buffers
thresholds
regularity
2014
5 Citations (Scopus)

Controlling ZnO nanowire surface density during its growth by altering morphological properties of a ZnO buffer layer by UV laser irradiation

Shimogaki, T., Kawahara, H., Nakao, S., Higashihata, M., Ikenoue, H., Nakata, Y., Nakamura, D. & Okada, T., Jan 1 2014, In : Applied Physics A: Materials Science and Processing. 118, 4, p. 1239-1246 8 p.

Research output: Contribution to journalArticle

Zinc Oxide
Laser beam effects
Buffer layers
Zinc oxide
ultraviolet lasers
3 Citations (Scopus)

Effect of laser annealing using high repetition rate pulsed laser on optical properties of phosphorus-ion-implanted ZnO nanorods

Shimogaki, T., Ofuji, T., Tetsuyama, N., Okazaki, K., Higashihata, M., Nakamura, D., Ikenoue, H., Asano, T. & Okada, T., Feb 1 2014, In : Applied Physics A: Materials Science and Processing. 114, 2, p. 625-629 5 p.

Research output: Contribution to journalArticle

laser annealing
Nanorods
Pulsed lasers
Phosphorus
nanorods
2 Citations (Scopus)

Fabrication and characterization of spherical micro semiconductor crystals by laser ablation method

Shimogaki, T., Okazaki, K., Yamasaki, K., Fusazaki, K., Mizokami, Y., Tetsuyama, N., Higashihata, M., Ikenoue, H., Nakamura, D. & Okada, T., Jun 1 2014, In : Applied Physics A: Materials Science and Processing. 117, 1, p. 269-273 5 p.

Research output: Contribution to journalArticle

Zinc Oxide
Laser ablation
Zinc oxide
Microspheres
zinc oxides
6 Citations (Scopus)

Formation of one-dimensional ZnO nanowires from screw-dislocation-driven two-dimensional hexagonal stacking on diamond substrate using nanoparticle-assisted pulsed laser deposition

Senthil Kumar, E., Chandran, M., Bellarmine, F., Mannam, R., Nakamura, D., Higashihata, M., Okada, T. & Ramachandra Rao, M. S., Jan 22 2014, In : Journal Physics D: Applied Physics. 47, 3, 034016.

Research output: Contribution to journalArticle

Screw dislocations
Diamond
screw dislocations
Pulsed laser deposition
Nanowires
1 Citation (Scopus)

Improvement of junction properties of ZnO nanorod/GaN heterojunction using selective laser processing

Nakamura, D., Tetsuyama, N., Shimogaki, T., Higashihata, M. & Okada, T., Jan 1 2014, In : Journal of Laser Micro Nanoengineering. 9, 3, p. 209-212 4 p.

Research output: Contribution to journalArticle

Laser beam effects
Nanorods
nanorods
Heterojunctions
heterojunctions
9 Citations (Scopus)

Patterned growth of ZnO nanowalls by nanoparticle-assisted pulsed laser deposition

Nakamura, D., Shimogaki, T., Nakao, S., Harada, K., Muraoka, Y., Ikenoue, H. & Okada, T., Jan 22 2014, In : Journal of Physics D: Applied Physics. 47, 3, 034014.

Research output: Contribution to journalArticle

Buffer layers
Pulsed laser deposition
pulsed laser deposition
buffers
Nanoparticles
1 Citation (Scopus)

Position-controlled and catalyst-free growth of ZnO nanocrystals by nanoparticle-assisted pulsed laser deposition

Nakao, S., Muraoka, Y., Higashihata, M., Nakamura, D., Nakata, Y. & Okada, T., Jun 1 2014, In : Applied Physics A: Materials Science and Processing. 117, 1, p. 63-67 5 p.

Research output: Contribution to journalArticle

Buffer layers
Pulsed laser deposition
Nanocrystals
pulsed laser deposition
nanocrystals
7 Citations (Scopus)

Ultraviolet electroluminescence from hetero p-n junction between a single ZnO microsphere and p-GaN thin film

Tetsuyama, N., Fusazaki, K., Mizokami, Y., Shimogaki, T., Higashihata, M., Nakamura, D. & Okada, T., Apr 21 2014, In : Optics Express. 22, 8, p. 10026-10031 6 p.

Research output: Contribution to journalArticle

p-n junctions
electroluminescence
whispering gallery modes
optical pumping
thin films
5 Citations (Scopus)

Understanding the discharge activity across GFRP material due to salt deposit under transient voltages by adopting OES and LIBS technique

Kumar, V. S., Vasa, N. J., Sarathi, R., Nakamura, D. & Okada, T., Oct 1 2014, In : IEEE Transactions on Dielectrics and Electrical Insulation. 21, 5, p. 2283-2292 10 p., 6927358.

Research output: Contribution to journalArticle

Salt deposits
Laser induced breakdown spectroscopy
Glass fiber reinforced plastics
Electric potential
Flashover
2013
28 Citations (Scopus)

Characteristics of extreme ultraviolet emission from mid-infrared laser-produced rare-earth Gd plasma

Higashiguchi, T., Li, B., Suzuki, Y., Kawasaki, M., Ohashi, H., Torii, S., Nakamura, D., Takahashi, A., Okada, T., Jiang, W., Miura, T., Endo, A., Dunne, P., O'Sullivan, G. & Makimura, T., Dec 30 2013, In : Optics Express. 21, 26, p. 31837-31845 9 p.

Research output: Contribution to journalArticle

ultraviolet emission
laser plasmas
infrared lasers
rare earth elements
energy conversion efficiency
2 Citations (Scopus)

Effect of laser annealing on optical properties of ion-implanted ZnO nanorods

Shimogaki, T., Higashihata, M., Nakamura, D., Asano, T. & Okada, T., Jan 1 2013, In : Journal of Laser Micro Nanoengineering. 8, 1, p. 75-78 4 p.

Research output: Contribution to journalArticle

laser annealing
Nanorods
nanorods
Optical properties
Annealing

Fabrication and luminescent properties of ZnO nanowire/GaN heterojunction LEDs

Nakamura, D., Ishida, Y., Tetsuyama, N., Higashihata, M. & Okada, T., Dec 1 2013, In : Journal of the Illuminating Engineering Institute of Japan (Shomei Gakkai Shi). 97, 11, p. 715-720 6 p.

Research output: Contribution to journalArticle

Nanowires
Light emitting diodes
Heterojunctions
Fabrication
Electroluminescence
1 Citation (Scopus)

Growth control of Zno nano-crystals by multi-beam interference patterning

Nakamura, D., Simogaki, T., Okazaki, K., Higashihata, M. & Okada, T., Dec 1 2013, In : Journal of Laser Micro Nanoengineering. 8, 3, p. 206-209 4 p.

Research output: Contribution to journalArticle

Nanowires
nanowires
Buffer layers
interference
Crystals
13 Citations (Scopus)

Synthesis of various sized ZnO microspheres by laser ablation and their lasing characteristics

Nakamura, D., Simogaki, T., Okazaki, K., Higashihata, M., Ikenoue, H. & Okada, T., Dec 1 2013, In : Journal of Laser Micro Nanoengineering. 8, 3, p. 296-299 4 p.

Research output: Contribution to journalArticle

Laser ablation
Microspheres
laser ablation
Whispering gallery modes
lasing
2012
15 Citations (Scopus)

Effect of laser annealing on photoluminescence properties of Phosphorus implanted ZnO nanorods

Shimogaki, T., Okazaki, K., Nakamura, D., Higashihata, M., Asano, T. & Okada, T., Jul 2 2012, In : Optics Express. 20, 14, p. 15247-15252 6 p.

Research output: Contribution to journalArticle

laser annealing
nanorods
phosphorus
photoluminescence
electric furnaces
12 Citations (Scopus)

Influence of Sb in synthesize of ZnO nanowire using sandwich type substrate in carbothermal evaporation method

Palani, I. A., Okazaki, K., Nakamura, D., Sakai, K., Higashihata, M. & Okada, T., Feb 1 2012, In : Applied Surface Science. 258, 8, p. 3611-3616 6 p.

Research output: Contribution to journalArticle

Nanowires
Evaporation
Substrates
Excitons
Crystal lattices
2 Citations (Scopus)

Influence of ZnO buffer layer on growth of Sb doped ZnO nano wires using nano particle assisted pulsed laser deposition (NAPLD) using Sb as catalyst

Palani, I. A., Nakamura, D., Okazaki, K., Shimogaki, T., Higashihata, M. & Okada, T., Apr 1 2012, In : Advanced Materials Letters. 3, 2, p. 66-70 5 p.

Research output: Contribution to journalArticle

Buffer layers
Pulsed laser deposition
Wire
Catalysts
Nanowires

Lasing of ZnO micro / nanocrystals by ultraviolet laser excitation and atmospheric alignment with laser-induced motions and electrical field

Okazaki, K., Shimogaki, T., Nakamura, D., Higashihata, M. & Okada, T., Nov 1 2012, In : Journal of Laser Micro Nanoengineering. 7, 3, p. 264-268 5 p.

Research output: Contribution to journalArticle

Ultraviolet lasers
Laser excitation
ultraviolet lasers
Nanocrystals
lasing
13 Citations (Scopus)

Pressure-induced growth evolution of different ZnO nanostructures by a pulsed laser ablation method

Zhang, P., Zhou, G. D., Gong, H. B., Xu, H. Y., Nakamura, D., Okada, T., Zeng, H. B. & Cao, B. Q., Mar 1 2012, In : Science of Advanced Materials. 4, 3-4, p. 455-462 8 p.

Research output: Contribution to journalArticle

Laser ablation
Pulsed lasers
Nanostructures
Nanoparticles
Nanowires
8 Citations (Scopus)

Structural and optical properties of Sb-Al co-doped ZnO nanowires synthesized using Nanoparticle Assisted Pulsed Laser Deposition (NAPLD) with Sb as catalyst

Palani, I. A., Nakamura, D., Okazaki, K., Highasiata, M. & Okada, T., Jun 25 2012, In : Journal of Alloys and Compounds. 527, p. 112-116 5 p.

Research output: Contribution to journalArticle

Pulsed laser deposition
Nanowires
Structural properties
Optical properties
Nanoparticles
2 Citations (Scopus)

Synthesis of core/shell nanowires using doped ZnO targets

Nakamura, D., Okazaki, K., Kubo, K., Tsuta, K., Higashihata, M. & Okada, T., Feb 1 2012, In : Journal of Laser Micro Nanoengineering. 7, 1, p. 109-111 3 p.

Research output: Contribution to journalArticle

Nanowires
nanowires
synthesis
Optoelectronic devices
Pulsed laser deposition
39 Citations (Scopus)

Ultraviolet whispering-gallery-mode lasing in ZnO micro/nano sphere crystal

Okazaki, K., Shimogaki, T., Fusazaki, K., Higashihata, M., Nakamura, D., Koshizaki, N. & Okada, T., Nov 19 2012, In : Applied Physics Letters. 101, 21, 211105.

Research output: Contribution to journalArticle

whispering gallery modes
zinc oxides
lasing
crystals
crystal growth
2011
12 Citations (Scopus)

Catalyst/dopant-free growth of ZnO nanobelts with different optical properties from nanowires grown via a catalyst-assisted method

Cao, B. Q., Liu, Z. M., Xu, H. Y., Gong, H. B., Nakamura, D., Sakai, K., Higashihata, M. & Okada, T., Jun 21 2011, In : CrystEngComm. 13, 12, p. 4282-4287 6 p.

Research output: Contribution to journalArticle

Nanobelts
Nanowires
nanowires
Optical properties
Doping (additives)
23 Citations (Scopus)

Influence of Sb as a catalyst in the growth of ZnO nano wires and nano sheets using Nanoparticle Assisted Pulsed Laser Deposition (NAPLD)

Palani, I. A., Nakamura, D., Okazaki, K., Higashihata, M. & Okada, T., Nov 15 2011, In : Materials Science and Engineering B: Solid-State Materials for Advanced Technology. 176, 18, p. 1526-1530 5 p.

Research output: Contribution to journalArticle

Nanosheets
Pulsed laser deposition
Nanowires
pulsed laser deposition
Nanostructures
10 Citations (Scopus)

Influence of Sb on a controlled-growth of aligned ZnO nanowires in nanoparticle-assisted pulsed-laser deposition

Nakamura, D., Okazaki, K., Palani, I. A., Higashihata, M. & Okada, T., Jun 1 2011, In : Applied Physics A: Materials Science and Processing. 103, 4, p. 959-963 5 p.

Research output: Contribution to journalArticle

Pulsed laser deposition
Nanowires
pulsed laser deposition
nanowires
Nanoparticles
39 Citations (Scopus)

Lasing characteristics of an optically pumped single ZnO nanosheet

Okazaki, K., Nakamura, D., Higashihata, M., Iyamperumal, P. & Okada, T., Oct 10 2011, In : Optics Express. 19, 21, p. 20389-20394 6 p.

Research output: Contribution to journalArticle

lasing
ultraviolet lasers
thresholds
silica glass
Q switched lasers
12 Citations (Scopus)

Lasing characteristics of ZnO nanosheet excited by ultraviolet laser beam

Okazaki, K., Kubo, K., Shimogaki, T., Nakamura, D., Higashihata, M. & Okada, T., Nov 2011, In : Advanced Materials Letters. 2, 5, p. 354-357 4 p.

Research output: Contribution to journalArticle

Ultraviolet lasers
Nanosheets
Laser beams
Semiconductor lasers
Pumping (laser)
3 Citations (Scopus)

Micromachining of polymethylmethacrylate and polydimethylsiloxane using laser plasma soft X-rays

Torii, S., Makimura, T., Okazaki, K., Nakamura, D., Takahashi, A., Okada, T., Niino, H. & Murakami, K., Dec 1 2011, In : Journal of Laser Micro Nanoengineering. 6, 3, p. 235-238 4 p.

Research output: Contribution to journalArticle

Micromachining
Polydimethylsiloxane
micromachining
laser plasmas
Plasmas
18 Citations (Scopus)

Stimulated optical emission from ZnO nanobelts grown with a simple carbothermal evaporation method

Cao, B. Q., Sakai, K., Nakamura, D., Palani, I. A., Gong, H. B., Xu, H. Y., Higashihata, M. & Okada, T., Feb 10 2011, In : Journal of Physical Chemistry C. 115, 5, p. 1702-1707 6 p.

Research output: Contribution to journalArticle

Nanobelts
stimulated emission
light emission
Evaporation
evaporation