Conţinutul numărului revistei |
Articolul precedent |
Articolul urmator |
573 0 |
SM ISO690:2012 SYRBU, Nicolae, ZALAMAI, Victor. Optical properties of As2S3 glasses doped with Dy. In: Optoelectronics and Advanced Materials, Rapid Communications, 2019, nr. 9-10(13), pp. 530-534. ISSN 1842-6573. |
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Optoelectronics and Advanced Materials, Rapid Communications | ||||||
Numărul 9-10(13) / 2019 / ISSN 1842-6573 /ISSNe 2065-3824 | ||||||
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Pag. 530-534 | ||||||
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Rezumat | ||||||
An effect of introduced dysprosium impurity and temperature on absorption spectra of As2S3 glasses is investigated. Absorption lines due to the electron transitions between dysprosium levels were observed in absorption (K), wavelength modulated transmission (ΔT/Δλ) and photoluminescence (PL) spectra at temperatures range 10-300 K. It was established that in As2S3:Dy glasses light waves of right and left circular polarization have different refractive indices (n- ≠ n+). The circularly polarized waves propagate with different velocities and interfere. Values of n-, n+ and Δn = n+-n- were determined from interference fringes. |
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Cuvinte-cheie chalcogenide glasses, Dysprosium impurity, optical spectroscopy, refractive index |
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