Yoshifumi Nishimoto

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A room-temperature continuous-wave operation under optical pumping was demonstrated with GaInAsP/InP membrane buriedheterostructure (BH) distributed-feedback (DFB) laser directly bonded on an SOI substrate. A threshold pump power of 2.8 mW and a sub-mode suppression ratio of 28 dB were obtained with a cavity length of 120 microm and a stripe width of 2(More)
PURPOSE In September 2012, the Japan Society of Medical Physics published a new absorbed-dose to water clinical reference dosimetry method for external beam radiation therapy (JSMP12). In JSMP12, the use of corrections based on ionization chambers according to absorbed-dose to water references was initiated, and the values of beam quality conversion factor(More)
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