Quasi-three-level thin-disk laser at 1024 nm based on diode-pumped Yb:YAG crystal

Abstract

We present for the first time, to the best of our knowledge, a Yb:YAG laser operating in a continuous wave (CW) on the quasi‐three‐level laser at 1024 nm, based on the 2F5/2 – 2F7/2 transition, generally used for a 1030 nm emission. The use of a pump module with 16 passes through the crystal allowed the realization of a Yb:YAG thin‐disk laser with 370 mW of CW output power at 1024 nm. Moreover, intracavity second‐harmonic generation (SHG) has also been achieved with a power of 45 mW at 512 nm by using a LiB3O5 (LBO) nonlinear crystal. (© 2011 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA) (© 2011 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA)

Multilayer YAG/Re:YAG/YAG laser ceramic prepared by tape casting and vacuum sintering method

“…This wavelength is matched well with InGaAs diode laser and usually considered as pumping wavelength. [14][15][16][17][18] Similarly, for YAG/Nd:YAG/YAG composite ceramic, the strongest absorption peak was located at 808 nm [ Fig. 9(b)], which can be attributed to the transition from 4 I 9/2 to 4 F 5/2 .…”

Enhanced performance of Cr,Yb:YAG microchip laser by bonding Yb:YAG crystal

“…Temperature dependent emission cross section of Yb:YAG materials [10] provides another flexible design for efficient operation of cryogenically-cooled Yb:YAG lasers [12]. High power laser-diode pumped Yb:YAG lasers have been demonstrated with different laser resonator configurations such as thin disk lasers [13][14][15], rod lasers [16], microchip lasers [17,18] and slab lasers [19]. Passively Q-switched Yb:YAG laser with Cr 4+ :YAG crystal as saturable absorber was firstly demonstrated by using Ti:sapphire laser as pump source [20].…”

Efficient, nanosecond self-Q-switched Cr,Yb:YAG lasers by bonding Yb:YAG crystal

“…Efficient laser performance of heavy doped Yb:YAG ceramics has been demonstrated recently [24,25]. High power laser-diode pumped Yb:YAG lasers based on Yb:YAG ceramics and crystals have been demonstrated with different laser resonator configuration such as thin disk lasers [26][27][28][29], rod lasers [30], microchip lasers [22,31], and slab lasers [32]. Yb:YAG ceramics have been successfully used to generate very-high order Laguerre-Gaussian modes by using a simple short-focus planoconvex glass lens [33] and circular modes by using a spherical intracavity lens [34].…”