Sol-gel chemistry for nonlinear optics

Jacques Livage; Caroline Schmutz; P. Griesmar; Philippe Barboux; Clement Sanchez

doi:10.1117/12.132021

7 December 1992 Sol-gel chemistry for nonlinear optics

Jacques Livage, Caroline Schmutz, P. Griesmar, Philippe Barboux, Clement Sanchez

Proceedings Volume 1758, Sol-Gel Optics II; (1992) https://doi.org/10.1117/12.132021
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

Nonlinear optical materials have been synthesized via the sol-gel route. A chemical control of the reactivity of molecular precursors toward hydrolysis and condensation allows the deposition of transparent thin or thick films. Potassium titanyl phosphate (KTP) can be better synthesized from phosphoester precursors [PO(OH)_3-x(OR)_x] rather than phosphoric acid [PO(OH)₃] or phosphate esters [PO(OR)₃]. These precursors lead to crystalline transparent KTP thin films around 600 degree(s)C. Organic molecules for nonlinear optics can be embedded into an oxide sol-gel matrix. Second harmonic generation has been obtained after poling with thick films in which organic chromophores are chemically bonded to the oxide backbone via the use of functionalized silicon alkoxide precursors.

Citation Download Citation

Jacques Livage, Caroline Schmutz, P. Griesmar, Philippe Barboux, and Clement Sanchez "Sol-gel chemistry for nonlinear optics", Proc. SPIE 1758, Sol-Gel Optics II, (7 December 1992); https://doi.org/10.1117/12.132021

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