Birefringent crystals include Calcite, alpha-BBO, undoped YVO4, quartz and MgF2 crystal, etc. Birefringent Crystals,Birefringent Yttrium Vanadate Crystal,YVO4 Birefringent Crystal,Calcite Birefringent Crystal Coupletech Co., Ltd. , https://www.coupletech.com
Alpha-BBO is transparent in deep UV range, and YVO4 has the high transmittance in the middle IR range.
Alpha-BBO, Calcite and undoped YVO4 have the big birefringence, which are suitable for polarizing prisms. The birefringence of Quartz and MgF2 is relatively small, which makes them the best materials for wave plates.
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Wuxi Lighting's revenue in 2017 increased by 59.63% and net profit was 24.33 million.
Wuxi Lighting released its 2017 annual performance report on April 26. During the reporting period, the company's total operating income was 469 million yuan, an increase of 59.63% over the same period last year (294 million yuan), and the net profit attributable to the listed company's shareholders was 24.33 million yuan. Compared with the same period last year, the price decreased by 32.21%. Wuxi Lighting released its 2017 annual performance report on April 26. During the reporting period, the company's total operating income was 469 million yuan, an increase of 59.63% over the same period last year (294 million yuan), and the net profit attributable to the listed company's shareholders was 24.33 million yuan. Compared with the same period last year, the price decreased by 32.21%. Wuxi Lighting is mainly engaged in the planning and design, engineering contracting and maintenance management of various professional lighting projects; research and development, manufacturing and sales of various professional lighting LED lamps; energy-saving transformation projects for building electromechanical and lighting systems; and new energy vehicle charging operation services.