Title: Spectroscopic properties of rare earths in optical materials
Subjects: Optical materials, Spectra, Rare earth metals, Microstructure, Particles (Nuclear physics), Engineering, Materials, Laser physics, Physical optics, Physics, Rare earths, Physics and Applied Physics in Engineering, Applied Optics, Optoelectronics, Optical Devices, Photonics Laser Technology and Physics, Characterization and Evaluation of Materials, Solid State Physics and Spectroscopy, Surfaces (Physics)