Issue 17, 2012
From the journal:

CrystEngComm

Chemical engineering of a birefringent crystal transparent in the deep UV range†

R. K. Li*a  and  Yingying Maab  

* Corresponding authors

a Beijing Center for Crystal Research and Development, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, P. R. China
E-mail: rkli@mail.ipc.ac.cn
Tel: +86-010-82543711

b Graduate University of Chinese Academy of Sciences, Beijing, P. R. China

Abstract

A new birefringent Ba2Mg(B3O6)2 (BMBO) crystal with dimensions of 41 × 27 × 9 mm3 has been grown from a stoichiometric melt. The structure of BMBO, determined from single-crystal X-ray diffraction data, demonstrates that it belongs to the rhombohedral space group R[3 with combining macron] with unit cell parameters of a = 7.094(5) Å, c = 16.721(15) Å and Z = 3. BMBO melts congruently with a melting point of 1000 °C and does not show any phase transitions from room temperature to the melting point. It is found that the BMBO crystal has a wide transmission range (178–3000 nm), large birefringence (Δn = no − ne = 0.2045–0.0767 from 190 nm to 3 μm) and high chemical stability. The BMBO crystal may serve as a unique birefringent crystal for polarizers, beam displacers and beam splitters in the ultraviolet, especially in the deep ultraviolet range.

Graphical abstract: Chemical engineering of a birefringent crystal transparent in the deep UV range

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Article information

DOI
https://doi.org/10.1039/C2CE25240F
Article type
Paper
Submitted
20 Feb 2012
Accepted
30 Apr 2012
First published
01 May 2012

CrystEngComm, 2012,14, 5421-5424

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Chemical engineering of a birefringent crystal transparent in the deep UV range

R. K. Li and Y. Ma, CrystEngComm, 2012, 14, 5421 DOI: 10.1039/C2CE25240F

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