About TOYOSHIMA M
About Communications Res. Lab., Ministry of Posts and Telecommunications, Tokyo, JPN
About ARAKI K
About Communications Res. Lab., Ministry of Posts and Telecommunications, Tokyo, JPN
About Applied Optics
About laser
About 人工衛星搭載
About Applications of lasers
About Space communication
About Optical communication systems and equipment
About 宇宙
About 地上
About 光学
About リンク
About 人工
About 衛星搭載
About レーザ
About 送信機
About 遠視野