"Version: 20221201"--Title page verso.Includes bibliographical references.1. Introduction -- 1.1. Bright field microscopy -- 1.2. Phase contrast microscopy -- 1.3. Quantitative phase microscopy -- 1.4. Coherence properties of laser light -- 1.5. Origin of speckles in imaging and microscopy -- 1.6. Effects of speckle on imaging and microscopy -- 1.7. Methods of generating partially spatially coh…