Teachers Resources Description In this PBL Challenge, you will be part of university research team tasked with developing the optical system for a DNA microarray fabricator. Photonics Principles Reinforced Reflective imaging systemsTransmissive and reflective lossesPhotochemistryBeam expanding optics Prerequisite Math and Science Knowledge Simple lenses and mirrors, irradiance, basic algebra and geometry, reading Introduction Organization Overview Problem Discussion Organization’s Solution Credits