上野駅・高崎線開業140周年記念号」運転|鉄道ニュース|2023年7月29日掲載|鉄道ファン・railf.jp,クルマを探す|WECARS(ウィーカーズ),クルマを探す|WECARS(ウィーカーズ),Efficient and widely tunable mid-infrared sources using GaAs and AlGaAs integrated platforms for second-order frequency conversion,Efficient and widely tunable mid-infrared sources using GaAs and AlGaAs integrated platforms for second-order frequency conversion,