What, scientifically, was learned?

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Larger disks make better resonators. This property is due to the fact that their larger size allows for a lager variety of wavelengths to resonate within.

Disks must be larger than 2 microns, smaller than that in diameter will result in high loss to the surroundings (commonly revered to as bleeding) .

The distance between fiber and resonator has small effect on resonant mode wavelength, but strongly effects the drop efficiency of the disk. This means that though there is a bit of a wavelenght shfit, it is minimal. There is though, a large shift in drop effiency.

The distance between fiber and resonator needs to be known for a more accurate physical measurement of the resonator's properties.

Further z-axis control is needed to be able to better couple fibers to microdisks.