THz applications of multimode laser diodes: a review
MetadataShow full item record
Investigations are ongoing to develop cheaper THz time-domain spectroscopy (THz-TDS) systems. In this context, many studies have been published in which multimode laser diodes (MLDs) are used as light sources in THz- TDS systems. There is another method for cost-reduction. Photomixing employs two single-mode LDs and does not require a pulse laser, and then realizes a reduced-cost system. A comprehensive report has been presented by examining the work done up to now. In these studies, it has been shown that the characteristics of MLDs, the effects of antenna structures on THz signal production, the difficulty of collimation of the MLD radiation beam, and the contribution of fiber-based systems are of utmost importance. It has also been determined that mode spacing has a significant role in THz radiation generation. In addition, successful SN ratio enhancement and imaging studies have shown that a more compact and cheaper THz-TDS system can be established using MLDs as a light source. Macor and RC51HF samples have been analyzed using a MLD-TDS created in the same way as in previous studies and results are given.
SourceTurkish Journal of Physics
Showing items related by title, author, creator and subject.
Koz, Gamze (2018)The chemical constituents of n-hexane extract of S. prostrata WILLD. subsp. anatolica HEDGE which is an endemic species to Turkey was determined using GC-MS analysis. Twenty six components were identified with alpha-linolenic ...
Gerek doğada, gerekse şehir hayatında mekanik enerjiye di ğer enerji türl eri ne kıya s l a da ha kol a y ul a şılabilmektedir. Suyun yüksek debi de a ktığı bi r a ka rs u ya ta ğı, rüzgâ rın s a l l a dığı a ğa ç da l l ...
Arslanlar, Yasemin Tuncer; Keskin, İlker Çetin; Katı, Mehmet İsmail; Türemiş, Murat; Çetin, Ahmet; Kibar, Rana (2019)ZnO single crystals has been implanted with 400 keV Cu ions at fluences of 2,5 x 1016 ions/cm2 at room temperature. The cathodoluminescence (CL) measurements of pure and Cu implanted samples has been reported at UV-visible ...