Dispersion properties of GaS studied by THz-TDS

J. F. Molloy; M. Naftaly; Yu. M. Andreev; G. V. Lanskii; I. N. Lapin; A. I. Potekaev; K. A. Kokh; A. V. Shabalina; A. V. Shaiduko; V. A. Svetlichnyi

doi:10.1039/C3CE42230E

Dispersion properties of GaS studied by THz-TDS

J. F. Molloy,*^a M. Naftaly,^a Yu. M. Andreev,^bc G. V. Lanskii,^bc I. N. Lapin,^c A. I. Potekaev,^c K. A. Kokh,^cde A. V. Shabalina,^c A. V. Shaiduko^bc and V. A. Svetlichnyi^c

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* Corresponding authors

^a National Physical Laboratory, Teddington, UK
E-mail: john.molloy@npl.co.uk
Fax: +44 (0) 20 7943 6821
Tel: +44 (0) 20 8977 3222

^b Institute of Monitoring of Climatic and Ecological Systems SB RAS, Tomsk 634055, Russia
E-mail: yuandreev@yandex.ru
Fax: +7 3822 491 950
Tel: +7 960 971 1540

^c Siberian Physical-Technical Institute of Tomsk State University, Tomsk, Russia
E-mail: v_svetlichnyi@bk.ru
Fax: +7 3822 533 034
Tel: +7 903 954 6245

^d Institute of Geology and Mineralogy, SB RAS, Novosibirsk 630090, Russia
E-mail: k.a.kokh@gmail.com
Fax: +7 383 33066392
Tel: +7 383 33066392

^e Novosibirsk State University, Novosibirsk, Russia

Abstract

High optical quality centimeter sized GaS crystals are grown using a modified vertical Bridgman method with heat field rotation of the growth melt. Ordinary and extraordinary wave refractive index dispersions are studied by THz time-domain spectroscopy (THz-TDS). New dispersion equations are designed to be suitable for estimating dispersion properties of solid solution GaSe_1−xS_x crystals from the near IR through the mid-IR and further into the THz range.

CrystEngComm

Dispersion properties of GaS studied by THz-TDS

Abstract

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Dispersion properties of GaS studied by THz-TDS

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