例句與造句

1. This performance is not possible solely by Nd : glass amplifiers, since gain narrowing would reduce the pulse bandwidth below a limit required to support the pulse duration.
2. In the vertical direction, the limited phasematched bandwidth of the crystal phasematches a different small portion of the input pulse bandwidth for each incidence angle, effectively acting as a spectrometer.
3. The knowledge allows the research team to control this process by changing the laser-pulse bandwidth or by chirping the pulse  that is, increasing or decreasing the laser frequency with time during the pulse.
4. It's difficult to find pulse bandwidth in a sentence. 用pulse bandwidth造句挺難的