In search for a practical source for this range of the spectrum, Harvard researchers have demonstrated a terahertz laser that is compact, operational at room temperature, and widely tunable—features that earlier sources have struggled with.
Overview of intense laser-based THz sources: optical rectification in
Approximate spectral coverage and some of the highest reported
Colon Cancer Detection by Designing and Analytical Evaluation of a Water-Based THz Metamaterial Perfect Absorber - IEEE Sensors Alert
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Terahertz time-domain spectroscopy - Wikipedia
Metasurface Terahertz Perfect Absorber with Strong Multi-Frequency Selectivity
Terahertz Lasers Are About to Have a Moment - IEEE Spectrum
TERAHERTZ SOURCES: Photoconductive emitters advance ultrafast terahertz sources
Terahertz time-domain spectroscopy - Wikipedia
THz Photonics ZHAW Institute of Computational Physics ICP