Myocardial Strain Imaging for Early Detection of Cardiac Involvement in Patients with Duchenne's Progressive Muscular Dystrophy

Kazuhiro Mori, Yasunobu Hayabuchi, Miki Inoue, +7

Echocardiography

Electron intersubband transitions to 0.8 eV (1.55 μm) in InGaAs/AlAs single quantum wells

J. H. Smet, L.-H. Peng, Y. Hirayama, +1

Applied Physics Letters

SemiconductorsQuantum ScienceMaterials ScienceCharge ExcitationsEngineering +13

Lower-extremity venous stasis during laparoscopic cholecystectomy as assessed using color Doppler ultrasound

K. Ido, Takanori Suzuki, Ken Kimura, +7

Surgical Endoscopy

LaparoscopyVenous DiseaseColor Doppler UltrasoundLaparoscopic CholecystectomyLower-extremity Venous Stasis +4

Five-wavelength integrated DFB laser arrays with quarter-wave-shifted structures

H. Okuda, Y. Hirayama, Hideto Furuyama, +2

IEEE Journal of Quantum Electronics

PhotonicsEngineeringDfb LaserDfb Laser ArraysGuided-wave Optic +4

Observation of 1.798 μm intersubband transition in InGaAs/AlAs pseudomorphic quantum well heterostructures

Y. Hirayama, J. H. Smet, L.-H. Peng, +2

Applied Physics Letters

Categoryquantum ElectronicsOptical MaterialsEngineeringSemiconductorsIntersubband Transition Energies +15

Femoral vein stasis during laparoscopic cholecystectomy: Effects of graded elastic compression leg bandages in preventing thrombus formation

Kenichi Ido, Takanori Suzuki, Y Taniguchi, +7

Gastrointestinal Endoscopy

Femoral Vein StasisLaparoscopyVenous DiseaseLaparoscopic CholecystectomyThrombus Formation +4

GaAs/AlGaAs material modifications induced by focused Ga ion beam implantation

Y. Hirayama, H. Okamoto

Journal of Vacuum Science & Technology B Microelectronics Processing and Phenomena

Materials EngineeringMaterials ScienceElectrical EngineeringMaterial Property ModificationsEngineering +11

Extremely reduced nonlinear <i>K</i> -factor in high-speed strained layer multiquantum well DFB lasers

Y. Hirayama, M. Morinaga, N. Suzuki, +1

Electronics Letters

10 Gbit/s low chirp performance of strained layer multiquantum well DFB laser

Y. Hirayama, M. Morinaga, Makoto Tanimura, +5

Electronics Letters

PhotonicsStrained Layer MultiquantumHigh Speed CharacteristicEngineeringLaser Science +11

High-speed operation of 1.5μm GaInAsP/InP optoelectronic integrated laser drivers

N. Suzuki, Hideto Furuyama, Y. Hirayama, +5

Electronics Letters

Broad 3DbPhotonicsElectrical EngineeringGate Projection ProcessEngineering +8