Innovative laser-hardened solid host material for nonlinear filters

Dennis P. Pacheco; William H. Russell; Henry R. Aldag; Barry DeCristofano; Masato Nakashima; Brian R. Kimball

doi:10.1117/12.524526

10 June 2004 Innovative laser-hardened solid host material for nonlinear filters

Dennis P. Pacheco, William H. Russell, Henry R. Aldag, Barry DeCristofano, Masato Nakashima, Brian R. Kimball

Proceedings Volume 5273, Laser-Induced Damage in Optical Materials: 2003; (2004) https://doi.org/10.1117/12.524526
Event: XXXV Annual Symposium on Optical Materials for High Power Lasers: Boulder Damage Symposium, 2003, Boulder, Colorado, United States

Abstract

We report on the physical and optical characteristics of the laser-hardened, solid-state host material polymer-filled nanoporous glass (PFNPG). PFNPG consists of a nanoporous glass structure (average pore size =~7 - 10 nm and matrix porosity =~38 - 40%) filled with a damage-resistant polymer. We have previously used this material as a host matrix for solid-state dye lasers, and in this study have applied it to nonlinear filters. The objectives were twofold: (1) to fabricate PFNPG samples with a high laser damage threshold under f/5 focusing conditions; and (2) to successfully dope a nonlinear absorbing dye into this matrix at millimolar concentrations. Undoped PFNPG plates showed damage thresholds of =~42 J/cm², a value significantly higher than that observed for a bulk polymer in the same test bed. PFNPG samples doped with the nonlinear dye Zn-TPP showed even greater damage resistance. Samples with dye concentrations ≥1 mM showed good nonlinear filtering.

Citation Download Citation

Dennis P. Pacheco, William H. Russell, Henry R. Aldag, Barry DeCristofano, Masato Nakashima, and Brian R. Kimball "Innovative laser-hardened solid host material for nonlinear filters", Proc. SPIE 5273, Laser-Induced Damage in Optical Materials: 2003, (10 June 2004); https://doi.org/10.1117/12.524526

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