From Fabrication to Characterization of 3D Organic Microresonators: A Complementary Alliance of Microfluidics and Optics

Figure 5

Top view (perpendicular to the laser beam direction) of an NOA 89 sphere (250 μm diameter) during injection on the optical bench. (a) to (c) Lateral offset of the beam until (d) grazing incidence configuration. Red dashed line shows the numerical simulations of the internal caustic 𝑟₁.