6533b85dfe1ef96bd12be592
RESEARCH PRODUCT
Practical formula for the evaluation of high-order multiphoton absorption in thin nonlinear media
Juan Jose MiretMaría Teresa Caballero CaballeroVicente J. CampsCarlos J. Zapata-rodríguezsubject
Slowly varying envelope approximationMaterials sciencebusiness.industryNonlinear opticsAtomic and Molecular Physics and OpticsExpression (mathematics)Computational physicsNonlinear systemOpticsExact solutions in general relativitySimple (abstract algebra)Thin filmbusinessAbsorption (electromagnetic radiation)description
We present an analytical formula for the fast and accurate evaluation of nonlinear absorption in materials exhibiting an admixture of different multiphoton processes. This approach is specifically addressed for its use in thin films when the slowly varying envelope approximation applies. The contribution of absorptions of distinct order is conveniently averaged in order to use well-known expressions for a single multiphoton process. In the latter case, therefore, our simple expression is reduced toward the exact solution.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2009-08-10 | Journal of Modern Optics |