Birefringence

High-Q MgF$_2$ whispering gallery mode resonators for refractometric sensing in aqueous environment

We present our experiments on refractometric sensing with ultrahigh-Q, crystalline, birefringent magnesium fluoride (MgF_2) whispering …

Florian Sedlmeir, Richard Zeltner, Gerd Leuchs, Harald G. L. Schwefel

Experimental characterization of an uniaxial angle cut whispering gallery mode resonator

The usual configuration of uniaxial whispering gallery mode resonators is a disk shaped geometry where the optic axis points along the …

Florian Sedlmeir, Martin Hauer, Josef U. Fürst, Gerd Leuchs, Harald G. L. Schwefel