Design of LD in-band direct-pumping side surface polished micro-rod Nd:YVO<sub>4</sub> laser

Design of LD in-band direct-pumping side surface polished micro-rod Nd:YVO₄ laser

Zhang Wen-Qi, Wang Fei, Liu Qiang, Gong Ma-Li^†,

Overlap efficiencies between the pump beam and an 800-μm diameter Gaussian-profile laser beam as a function of axial position for the micro-rod crystal with side surface polished and traditional rod crystal with side surface unpolished.