Far and deep ultraviolet spectroscopy Introduction to FUV and DUV spectroscopy Yukihiro Ozaki Yuika Saito and Satoshi Kawata Instrumentation for FUV spectroscopy Akifumi Ikehata Yusuke Morisawa and Noboru Higashi Electronic structure and transition in the far ultraviolet region Yusuke Morisawa and Nasahiro Ehara Water research by far ultraviolet spectroscopy Takeyoshi Goto and Akifumi Ikehata Far ultraviolet spectroscopy and deep ultraviolet spectroscopy: industrial applications Noboru Higashi Electronic structure of TiO2 studied by far ultraviolet and deep ultraviolet spectroscopy Ichiro Tanabe Deep ultraviolet microscopy and microspectroscopy Yasuaki Kumamoto Deep ultraviolet surface enhanced raman scattering Atsushi Taguchi Coupling of deep ultraviolet photons and electrons Yuika Saito