Optical path difference of slanted edge diode-pumped Yb:YAG/YAG thin-disk laser

Hamed Aminpour; Christoph Pflaum

doi:10.1117/12.2034282

28 February 2014 Optical path difference of slanted edge diode-pumped Yb:YAG/YAG thin-disk laser

Hamed Aminpour, Christoph Pflaum

Proceedings Volume 8959, Solid State Lasers XXIII: Technology and Devices; 89591V (2014) https://doi.org/10.1117/12.2034282
Event: SPIE LASE, 2014, San Francisco, California, United States

Abstract

We present an edge-pumped Yb:YAG /YAG trapezoid-shape thin disk laser with slanted faces of 30 degree. The crystal consist of a 0.2-mm-thick Yb:YAG crystal as a gain medium and a 1.3-mm-thick un-doped YAG crystal bonded on the gain medium . The crystal is pumped from four sides in such a way that pump light trapped inside the crystal after total reflections. To study this configuration, we performed a detailed simulation of our delivery system using our laser simulation code ASLD^TM software. The simulation include Monte-Carlo ray tracing of pump light and 3-dimentional opto-mechanical analysis. Furthermore, we calculate the optical path difference of the crystal respect to the output power and relating beam quality using Dynamic Multimode Analysis (DMA) method. Finally, we demonstrated that the OPD inside the crystal increased from -3613.74mm to -542.85mm in the output power range of 33W to 250W.

Citation Download Citation

Hamed Aminpour and Christoph Pflaum "Optical path difference of slanted edge diode-pumped Yb:YAG/YAG thin-disk laser", Proc. SPIE 8959, Solid State Lasers XXIII: Technology and Devices, 89591V (28 February 2014); https://doi.org/10.1117/12.2034282

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