This property have an effect on performance of the free electron laser.

这种摆动性质影响着自由电子激光的特性。

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A method for direct measuring the frequency of a free electron laser using AC Josephson effect is presented.

提出一种利用交流约瑟夫森效应直接测量自由电子激光频率的方法。

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The chromatic factor M2 is found invariable while the laser beam propagates through the dispersion-free ABCD system.

通过实验，我们发现在经过无色散的ABCD系统时彩色光束的M2因子是不变的。

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The high average power infrared Free Electron Laser (FEL) provides intense beams of laser light that can be tuned to atmosphere-penetrating wavelengths.

FORBES: U.S. Navy Pioneers Next-Gen Electric Weaponry

While some of these weapon and sensor systems like the Electromagnetic Railgun or the Free Electron Laser are at least a decade away, the Laser Weapon System and Air and Missile Defense Radar systems are almost ready for prime time deployment today.

FORBES: Ten Clean Energy Technologies The U.S. Military Needs To Win The Next Naval War

The US Navy's free-electron laser has broken a few records already, but it's just plowed through another fairly big one -- one that its creators say could put it on the fast track to actually being used to shoot down missiles.

ENGADGET: US Navy's free-electron laser breaks another record, takes aim at missiles next