It is also indicated that prebunching can short the laser wavelength without increasing the electron beam energy and relieve the requirement on the electron beam quality.
同时还指出，预群聚有在不增加电子束能量情况下缩短激光波长和降低对电子束质量要求等作用。
Most of waveband of ultra-short laser is concentrate on mid-infrared and infrared, but there are more potential applications of short-wavelength and broadband frequency laser.
大多数超短脉冲激光器输出波长范围均集中在近红外和中红外波段，而短波长宽频带超短脉冲激光具有更大的应用潜力。
It is available to improve optical storage density by using short wavelength laser, but a harder focusing servo system is need.
采用短波长激光光源是实现高密度光存储的一种有效途径，但是对聚焦伺服系统提出了更高的要求。
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