chapter 1 Introduction -- chapter 2 Spectroscopic Applications of Tunable Optical Parametric Oscillators -- chapter 3 Solid-State Dye Lasers -- chapter 4 Tunable Lasers Based on Dye-Doped Polymer Gain Media Incorporating Homogeneous Distributions of Functional Nanoparticles -- chapter 5 Broadly Tunable External-Cavity Semiconductor Lasers -- chapter 6 Tunable Fiber Lasers -- chapter 7 Fiber Laser Overview and Medical Applications -- chapter 8 Medical Applications of Dye Lasers -- chapter 9 Biological Microscopy with Ultrashort Laser Pulses -- chapter 10 Pulsed, Tunable, Monochromatic X-Rays: Medical and Nonmedical Applications -- chapter 11 Lithium Spectroscopy Using Tunable Diode Lasers -- chapter 12 Interferometric Imaging -- chapter 13 Multiple-Prism Arrays and Multiple-Prism Beam Expanders: Laser Optics and Scientifi c Applications -- chapter 14 Coherent Electrically Excited Organic Semiconductors -- chapter 15 Appendix on Optical Quantities and Conversions of Units.