One of the main factors impeding further progress in the field of application of met materials is significant energy losses due to the physical nature of exploited plasmon resonance. and their compensation is the most urgent problem to be addressed by the modern science of met materials. That is why this paper studies the parametric interaction of electromagnetic waves and. in particu... https://www.jmannino.com/top-offer-Simply-Southern-World-Full-Valentine-T-Shirt-top-buy/