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ABSTRACT: The theory of transient mode locking for an active modulator in an intracavity frequency‐doubled laser is presented. The theory is applied to mode‐locked and intracavity frequency‐doubled Nd:YAG laser and the mode‐locked pulse width is plotted as a function of number of round trips inside the cavity. It is found that the pulse compression is faster and the system takes a very short time to approach the steady state in the presence of a second harmonic generating crystal inside the laser cavity. The effect of modulation depth and the second harmonic conversion efficiency on the temporal behavior of the pulse width is discussed.
Journal of Applied Physics 11/1982; · 2.21 Impact Factor