ToF-SIMS characterization of robust window material for use in diode pumped alkali lasers

Aaron Fletcher; David Turner; Steven Fairchild; Christopher Rice; Gregory Pitz

doi:10.1117/12.2286088

12 March 2018 ToF-SIMS characterization of robust window material for use in diode pumped alkali lasers

Aaron Fletcher, David Turner, Steven Fairchild, Christopher Rice, Gregory Pitz

Proceedings Volume 10513, Components and Packaging for Laser Systems IV; 105130L (2018) https://doi.org/10.1117/12.2286088
Event: SPIE LASE, 2018, San Francisco, California, United States

Abstract

Developments in diode pumped alkali laser (DPAL) systems have been impeded because of the catastrophic failure of laser windows. The window’s failure is caused by localized laser-induced heating of window material. This heating is believed to occur due to increases in absorption on or near the surface of the window. This increase is believed to be caused by either adsorption of carbon-based soot from the collisional gas or by the diffusion of rubidium into the bulk material. The work presented here will focus on the diffusion of Rb into the bulk window materials and will strive to identify a superior material to use as windows. The results of this research indicate that aluminum oxynitride (ALON), sapphire, MgAl₂O₄ (spinel), and ZrO₂are resistant to alkali-induced changes in optical properties.

Conference Presentation

Citation Download Citation

Aaron Fletcher, David Turner, Steven Fairchild, Christopher Rice, and Gregory Pitz "ToF-SIMS characterization of robust window material for use in diode pumped alkali lasers", Proc. SPIE 10513, Components and Packaging for Laser Systems IV, 105130L (12 March 2018); https://doi.org/10.1117/12.2286088

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