Tadao Tanabe and Yutaka Oyama “Frequency-Tunable Coherent THz-Wave Pulse Generation Using Two Cr:Forsterite Lasers with One Nd:YAG Laser Pumping and Applications for Non-Destructive THz Inspection” Laser Systems for Applications ed. Krzysztof Jakubczak (InTech, 2011), 119-136.
