Guest-host optical limiters with high-laser-damage threshold

Mark C. Brant; Michael E. De Rosa; Hao Jiang; Daniel G. McLean; Richard L. Sutherland; Angela L. Campbell

doi:10.1117/12.274225

13 May 1997 Guest-host optical limiters with high-laser-damage threshold

Mark C. Brant, Michael E. De Rosa, Hao Jiang, Daniel G. McLean, Richard L. Sutherland, Angela L. Campbell

Proceedings Volume 2966, Laser-Induced Damage in Optical Materials: 1996; (1997) https://doi.org/10.1117/12.274225
Event: Laser-Induced Damage in Optical Materials: 1996, 1996, Boulder, CO, United States

Abstract

Conventional guest-host optical limiting materials utilize either a liquid solvent or solid as the matrix for nonlinear absorbing chromophore dopants. Concentration gradients of the chromophore in the matrix can improve optical limiting performance. However, low viscosity liquid solutions can not retain a concentration gradient while polymer solid matrices damage at low laser fluences. We report on a novel approach of using an elastic polymer and viscoelastic gels for guest- host optimal limiting matrices. We achieve high bulk laser damage thresholds in the hosts and maintain a concentration gradient of the chromophore. By softening the epoxy we significantly enhance its bulk laser damage threshold. We characterize this effect by measuring the damage threshold as a function of viscoelastic properties. In addition, optical limiting was demonstrated in all the hosts doped with nonlinear phthalocyanine chromophores.

Citation Download Citation

Mark C. Brant, Michael E. De Rosa, Hao Jiang, Daniel G. McLean, Richard L. Sutherland, and Angela L. Campbell "Guest-host optical limiters with high-laser-damage threshold", Proc. SPIE 2966, Laser-Induced Damage in Optical Materials: 1996, (13 May 1997); https://doi.org/10.1117/12.274225

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