Search Results - "Shigihara, K."

Anomalous wavelength changes of 980-nm pump laser diodes with antireflection coatings by Shigihara, K., Kawasaki, K., Yagi, T., Omura, E.

“…We have observed abrupt wavelength jumps form 980-nm pump laser diodes with an antireflection (AR) coating when the injection currents were changed. The width…”
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High-power and highly reliable 1020-nm ridge waveguide laser diodes with small aspect ratio as a pumping source for praseodymium-doped fiber amplifiers by Shigihara, K., Kawasaki, K., Yamamura, S., Takemoto, A., Yagi, T., Mitsui, Y.

“…The structure of an asymmetrically expanded optical field normal to the active layer was applied to 1020-nm ridge waveguide laser diodes in order to increase…”
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High-power 980-nm ridge waveguide laser diodes including an asymmetrically expanded optical field normal to the active layer by Shigihara, K.I., Kawasaki, K., Yoshida, Y., Yamamura, S., Yagi, T., Omura, E.

“…We propose a new ridge waveguide laser diode (LD) which supports an asymmetrically expanded optical field normal to the active layer in order to increase the…”
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Laser diodes in photon number squeezed state by Kakimoto, S., Shigihara, K., Nagai, Y.

“…A laser diode with an intrinsic layer as the space charge limited current region is expected to emit a low noise (less than the shot noise level) light…”
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Characteristics of laser diodes with a partially intermixed GaAs-AlGaAs quantum well by Nagai, Y., Shigihara, K., Karakida, S., Kakimoto, S., Otsubo, M., Ikeda, K.

“…Laser diodes (LD's) with a partially intermixed quantum-well (QW) active layer are fabricated by Zn out-diffusion from a p-cladding layer to the QW region. The…”
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Achieving broad-area laser diodes with high output power and single-lobed far-field patterns in the lateral direction by loading a modal reflector by Shigihara, K., Nagai, Y., Kakimoto, S., Ikeda, K.

“…A modal reflector, which consists of a high-reflectivity region surrounded by low-reflectivity regions, is added to the front facet of two types of broad-area…”
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Morphologic and histochemical evidence for the occurrence of collagenolysis and for the role of neutrophilic polymorphonuclear leukocytes during cervical dilation by Junqueira, L C, Zugaib, M, Montes, G S, Toledo, O M, Krisztán, R M, Shigihara, K M

“…Biopsy specimens of nonpregnant and intrapartum human cervices were studied by electron microscopy, and by the Picrosirius-polarization method which is a…”
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High-power operation of broad-area laser diodes with GaAs and AlGaAs single quantum wells for Nd:YAG laser pumping by Shigihara, K., Nagai, Y., Karakida, S., Takami, A., Kokubo, Y., Matsubara, H., Kakimoto, S.

“…The dependencies of the main lasing characteristics on the facet reflectivity for GaAs and AlGaAs single-quantum-well (SQW) separate-confinement…”
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Fabrication of broad-area laser diodes on a three-inch wafer by a solid-phase diffusion method by Nagai, Y., Shigihara, K., Saito, H., Watanabe, H., Karakida, S., Otsubo, M., Ikeda, K.

“…We have developed extremely uniform Zn diffusion on a three-inch GaAs-AlGaAs QW laser wafer by an open tube solid-phase diffusion technique and have applied it…”
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High-power operation of AlGaAs SQW-SCH broad-area laser diodes for Nd:YAG solid-state laser pumping by Nagai, Y., Shigihara, K., Takami, A., Karakida, S., Kokubo, Y., Tada, A.

“…AlGaAs single-quantum-well separate-confinement-heterostructure (SQW-SCH) single-stripe broad-area laser diodes (LDs) for Nd:YAG solid-state laser pumping were…”
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Effects of small intestinal ischemia and reperfusion on expression of tumor necrosis factor-α and interleukin-6 messenger RNAs in the jejunum, liver, and lungs of dogs by Nezu, Y, Shigihara, K, Harada, Y, Yogo, T, Hara, Y, Tagawa, M

“…To determine the effects of intestinal ischemia and reperfusion on the expression of tumor necrosis factor (TNF)-alpha and interleukin (IL)-6 mRNAs in the…”
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Morphological and histochemical studies on the collagen in neurinomas, neurofibromas, and fibromas by Junqueira, L C, Montes, G S, Kaupert, D, Shigihara, K M, Bolonhani, T M, Krisztán, R M

“…The collagen in neurinomas, neurofibromas was studied by optical and electron microscopy. Neurinomas were shown to be composed mainly of thin argyrophilic,…”
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Histochemical and morphological characterization of reticular fibers by Montes, G S, Krisztán, R M, Shigihara, K M, Tokoro, R, Mourão, P A, Junqueira, L C

“…The results presented in this paper show that collagen fibers can be clearly distinguished from reticular fibers using the picrosirius-polarization method. A…”
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A Family Case of Nephrogenic Diabetes Insipidus by OKAYASU, TAKAKO, SHIGIHARA, KAZUE, KOBAYASHI, NORIO, ISHIKAWA, AKASHI, FUKUSHIMA, NAOKI, TAKASE, AIKO, HATTORI, SATOSHI, NAKAJIMA, TAKEO, SHISHIDO, TETSUO, AGATSUMA, YOSHINORI

“…OKAYASU, T., SHIGIHARA, K., KOBAYASHI, N., ISHIKAWA, A., FUKUSHIMA, N., TAKASE, A., HATTORI, S., NAKAJIMA, T., SHISHIDO, T. and AGATSUMA, Y. A Family Case of…”
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Coexistence of corticotroph adenoma and thyrotroph hyperplasia in a dog by Teshima, T.(Nippon Veterinary and Life Science Univ., Musashino, Tokyo (Japan). Faculty of Veterinary Medicine), Hara, Y, Shigihara, K, Takekoshi, S, Nezu, Y, Harada, Y, Yogo, T, Teramoto, A, Osamura, R.Y, Tagawa, M

“…Pituitary thyrotroph hyperplasia results from prolonged primary hypothyroidism in humans, mice and rats. In dogs with Cushing's disease, many cases have low…”
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Nonketotic hyperglycinemia: a case report by Ishikawa, A, Okayasu, T, Fukazawa, Y, Wakahama, Y, Shigihara, K, Fukushima, N, Takase, A, Wagatsuma, Y

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A symptomatic female patient with Duchenne muscular dystrophy diagnosed by dystrophin-staining : a case report by SHIGIHARA-YASUDA, K, TONOKI, H, GOTO, Y, ARAHATA, K, ISHIKAWA, N, KAJII, N, FUJIEDA, K

“…We report a case of symptomatic carrier of Duchenne muscular dystrophy (DMD) in a 14-year-old girl with no prior family history of DMD. She presented with…”
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Suppression of Lasing Wavelength Change of 980 nm Pump Laser Diodes for Metro Applications by Kawasaki, Kazushige, Shigihara, Kimio, Matsuoka, Hiromasu, Kunitsugu, Yasuhiro, Yamamura, Shin'ichi, Yagi, Tetsuya, Omura, Etsuji, Mitsui, Yasuo

“…High-power 980 nm laser diodes (LDs) are used as pumping sources of erbium-doped fiber amplifiers (EDFAs). Reductions of costs and power consumption in EDFAs…”
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Collagen arrangement in cartilages by Zambrano, N Z, Montes, G S, Shigihara, K M, Sanchez, E M, Junqueira, L C

“…The collagen arrangement of different cartilages of several mammals was studied by the Picrosirius-polarization method applied to tissue sections whose…”
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0.78- and 0.98-μm ridge-waveguide lasers buried with AlGaAs confinement layer selectively grown by chloride-assisted MOCVD by Shima, A., Kizuki, H., Takemoto, A., Karakida, S., Miyashita, M., Nagai, Y., Kamizato, T., Shigihara, K., Adachi, A., Omura, E., Otsubo, M.

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