Module2 Class8: Relation ray-wave optics, interference of two waves, interferometers

Learning Objectives of this class:
Identify the relationship between Ray and Wave Optics
Identify the procedure to estimate the wavefunction of an arbitrary wave using the Eikonal equation
Understand optical interference phenomenon as the summation of the complex amplitude distributions of the interfering waves.
Express the total intensity distribution of two interfering waves based on their phase difference
Distinguish constructive and destructive interference
Deduce the condition between two interference waves to form constructive and destructive interference.