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Bow-Tie Cavity for Terahertz Radiation

  Articoli su Riviste NON JCR/ISI  (anno 2019)

Autori:  Consolino L., Campa A., Mazzotti D., Vitiello M. S., De Natale P., Bartalini S

Affiliazione Autori:  CNR - Istituto Nazionale di Ottica (INO) European Laboratory for Non-linear Spectroscopy (LENS) NEST, CNR - Istituto Nanoscienze and Scuola Normale Superiore

Riassunto:  We report on the development, testing, and performance analysis of a bow-tie resonant cavity for terahertz (THz) radiation, injected with a continuous-wave 2.55 THz quantum cascade laser. The bow-tie cavity employs a wire-grid polarizer as input/output coupler and a pair of copper spherical mirrors coated with an unprotected 500 nm thick gold layer. The improvements with respect to previous setups have led to a measured finesse value F = 123, and a quality factor Q = 5.1x10^5. The resonator performances and the relevant parameters are theoretically predicted and discussed, and a comparison among simulated and experimental spectra is given.

Rivista/Giornale NON ISI:  Photonics
Volume n.:  6      Pagine da: 1  a: 
Collegamento Web del Prodotto: Clicca qui

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