tunan.金枪鱼n.霸王树tunable wavelength波长可调tunable beam laser可调电子束激光器tunable oscillator可调振荡器tunable-day laser调色激光器tunable fiber laser可调谐光纤激光器tunable performance可调性tunable diode laser可调谐二极管激光器tunable Raman laser可调谐喇曼激光器tunable dye-laser可调谐染料激光器tunable-dye laser调色激光器