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, ‡}

Radio frequency (RF) spectra of the Kerr-lens mode-locked Ti: sapphire laser at the central wavelength of 736 nm. (a) RF spectrum at the fundament beat note with the resolution bandwidth of 1 kHz. (b) RF spectrum at 1 GHz wide-span range with the resolution bandwidth of 100 kHz.