Diode-pumped Kerr-lens mode-locked Ti: sapphire laser with broad wavelength tunability

Liu Han¹, Wang Geyang¹, Yang Ke¹, Kang Renzhu¹, Tian Wenlong¹, Zhang Dacheng¹, Zhu Jiangfeng^{1, †}, Han Hainian², Wei Zhiyi^{2, ‡}

Kerr-lens mode-locked operation with the shortest pulse duration of 17 fs at 736 nm. (a) The corresponding optical spectrum. (b) Auto-correlation trace of the shortest pulses (dotted curve) with a sech² fitting (solid curve) after extra-cavity compression with the chirped mirrors (CM1 and CM2).