Refractive index in the region of excitonic resonances in TLGase2 Crystals

Tiron Andrew

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TIRON, Andrew. Refractive index in the region of excitonic resonances in TLGase2 Crystals. In: IFMBE Proceedings: . 4th International Conference on Nanotechnologies and Biomedical Engineering, Ed. 4, 18-21 septembrie 2019, Chişinău. Switzerland: Springer Nature Switzerland AG, 2020, Ediția 4, Vol.77, pp. 75-77. ISBN 978-303031865-9. ISSN 16800737. DOI: https://doi.org/10.1007/978-3-030-31866-6_16

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IFMBE Proceedings
Ediția 4, Vol.77, 2020

Conferința "Conference on Nanotechnologies and Biomedical Engineering"
4, Chişinău, Moldova, 18-21 septembrie 2019

Refractive index in the region of excitonic resonances in TLGase₂ Crystals

DOI:https://doi.org/10.1007/978-3-030-31866-6_16

Pag. 75-77

Tiron Andrew

Technical University of Moldova

Proiecte:

GA 810652

Promoting smart specialization at the Technical University of Moldova by developing the field of Novel Nanomaterials for BioMedical Applications through excellence in research and twinning

Disponibil în IBN: 30 octombrie 2020

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The low-temperature transmission and wavelength modulated transmission spectra of TlGaSe₂ crystals with a thickness of 7, 5.7, 4.7 μm were measured. Refractive index was calculated from interference observed in transmission spectra. The spectral dependences of the normal dispersion n_a (E║a) and n_в (E║в) and Δn = n_a (E║a) − n_в (E║в) on the long-wavelength and short-wave side of the ground states A, B and C of excitons are determined.

Cuvinte-cheie
Chalcogenide, optical spectroscopy, refractive index

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<title xml:lang='en'>Refractive index in the region of excitonic resonances in TLGase2 Crystals</title>
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<description xml:lang='en' descriptionType='Abstract'><p>The low-temperature transmission and wavelength modulated transmission spectra of TlGaSe<sub>2</sub>&nbsp;crystals with a thickness of 7, 5.7, 4.7&nbsp;&mu;m were measured. Refractive index was calculated from interference observed in transmission spectra. The spectral dependences of the normal dispersion n<sub>a</sub>&nbsp;(E║a) and n<sub>в</sub>&nbsp;(E║в) and &Delta;n = n<sub>a</sub>&nbsp;(E║a)&nbsp;&minus;&nbsp;n<sub>в</sub>&nbsp;(E║в) on the long-wavelength and short-wave side of the ground states A, B and C of excitons are determined.</p></description>
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