Quantum fluctuations in the presence of thin metallic films and anisotropic materials

We present our most recent results seeking to understand the dependence of quantum fluctuations of the electromagnetic field on the dielectric properties of two boundary surfaces. In the first section, we provide a detailed description of our measurement of the skin-depth effect of the Casimir-Lifshitz force. The second section is devoted to the torque induced by quantum fluctuations on two birefringent plates.