Prism coupling excites guided modes in a waveguide or film so that effective refractive index, thickness and loss can be derived from resonance angles. This note walks through the optical layout, calibration and typical results interpretation.
Prism coupling excites guided modes in a waveguide or film so that effective refractive index, thickness and loss can be derived from resonance angles. This note walks through the optical layout, calibration and typical results interpretation.