Experimental study of CW diode-pumped Nd:YAG regenerative amplifier

We demonstrate a 1-kHz repetition rate Nd:YAG regenerative amplifier bumped by a cw diode-pumped module with radial side-pumped methods, in which seed pulse generated by an all solid state Nd:YVO
₄
laser. The single amplified pulse energy is 1.5mJ, The pulse width is 6ps, corresponding to the magnification factor is more than 10
⁶
.