An optically pumped semiconductor disk laser was mode-locked for the first time by employing a single-walled carbon nanotube saturable absorber. Stable passive fundamental mode-locking was obtained at a repetition rate of 613 MHz with a pulse length of 1.23 ps. The mode-locked semiconductor disk laser in a compact geometry delivered a maximum average output power of 136 mW at 1074 nm.
We demonstrate a diode-pumped Yb:KYW laser, where the wavelength is controlled by a transversely chirped volume-Bragg-grating, also used as the laser output coupler. By translating the grating, the wavelength could be tuned from 997 nm to 1016 nm, with a spectral bandwidth of 13 GHz and a power up to 3.3 W. The laser cavity is simple and compact, and the tuning method is generally applicable to many other laser systems.
A simple, compact, and efficient diode-side-pumped linear intracavity frequency doubled Nd:YAG rod laser with 50 ns pulse width and 124 W green output power Rev. Sci. Instrum. 81, 073104 (2010); 10.1063/1.3457000 7 W high-efficiency continuous-wave green light generation by intracavity frequency doubling of an end-pumped vertical external-cavity surface emitting semiconductor laser
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