TERA15 THz-Antennas
Sartorius et al. All-fiber terahertz time-domain spectrometer operating at 1.5 μm telecom wavelengths
Optics Express 16 (13): 9565-9570 (Jun 13 2008) 
The worldwide first all-fiber THz time-domain spectrometer for operation at 1.5 μm is presented. Applications up to 3 THz are demonstrated using a custom designed C-Fiber laser source.