Simulation of solid-state lasers with composite and ceramic crystals

Rahimi Z, Pflaum C (2013)


Publication Language: English

Publication Type: Conference contribution, Conference Contribution

Publication year: 2013

Journal

Publisher: International Society for Optical Engineering; 1999

Edited Volumes: Proceedings of SPIE - The International Society for Optical Engineering

Book Volume: 8599

Pages Range: 1-8

Conference Proceedings Title: Solid State Lasers XXII: Technology and Devices

Event location: San Francisco, USA

URI: http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1661784

DOI: 10.1117/12.2004076

Abstract

Composite, core-doped, and ceramic crystals are used to reduce the thermal lensing effect in laser crystals. An accurate simulation of laser resonators is needed to nd optimal doping structures for a required laser. Also simulation helps apply these crystals efficiently. In this work, results of simulations performed on resonators containing core-doped Nd:YAG ceramic crystals with radial dependent doping concentration, and composite crystals with different layers of doping concentration are presented. The absorbed pump light in crystals is simulated using the ray tracing algorithm. The thermal lensing effect has been computed by the nite element analysis of the temperature and deformation. The dynamic mode analysis (DMA) was used to compute the laser beam quality and output power. The DMA solves rate equations separately for each Gauss mode. It also calculates population inversion by solving rate equations on nite volume grids. This approach yields a few thousands of rate equations for population inversion on the nite volume grid. The advantage of this method for both mentioned crystals is that different decay rates can be associated to regions with different doping concentration. Simulation results have shown that sophisticated laser crystals are able to reduce thermal lensing effect and increase beam quality. © 2013 Copyright SPIE.

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How to cite

APA:

Rahimi, Z., & Pflaum, C. (2013). Simulation of solid-state lasers with composite and ceramic crystals. In Solid State Lasers XXII: Technology and Devices (pp. 1-8). San Francisco, USA: International Society for Optical Engineering; 1999.

MLA:

Rahimi, Zhabiz, and Christoph Pflaum. "Simulation of solid-state lasers with composite and ceramic crystals." Proceedings of the SPIE Conference Photonics West, San Francisco, USA International Society for Optical Engineering; 1999, 2013. 1-8.

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