Fiber-coupled terahertz time-domain spectroscopy (THz-TDS) systems
M. Theuer and F. Ellrich, Fraunhofer-Institute for Physical Measurement Techniques IPM, Germany
D. Molter and R. Beigang, University of Kaiserslautern, Germany
Abstract:
In this chapter we review the possibilities and design criteria of fiber-coupled terahertz spectroscopy systems. To obtain broadband terahertz radiation the coherent detection using time-domain spectroscopy offers many advantages. In fiber-coupled systems the transmission of ultrashort broadband laser pulses within fibers has to be controlled in terms of dispersion and nonlinear effects. The distortionless transmission of femtosecond pulses is crucial for a good performance of the entire terahertz ...
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