635, BEAM, DEFLECTING, DEFLECTION, DEMO, DEMONSTRATION, DIODE, EQUILATERAL, EXPERIMENT, GIPHOTOSTOCK, LAB, LABORATORY, LASER, LAW, LIGHT, MONOCHROMATIC, NM, OPTICAL, OPTICS, PHOTONICS, PHYSICS, PRISM, RAY, REFRACT, REFRACTED, REFRACTION, REFRACTIVE, SCIENCE, SCIENTIFIC, SEMICONDUCTOR, SNELL, SNELLS, SPECKLE, TRIANGULAR, WAVELENGTH,