Infrared nonlinear optical crystal AB4C5Se12
A technology of nonlinear optics, ab4c5se12, applied in the field of alkali metal chalcogenide materials and their preparation
Active Publication Date: 2013-04-10
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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[0011] In the glove box, the co-solvent ACl and the simple substances B, C, and Q were weighed according to the stoichiometric ratio, placed in a quartz reaction tube, and flame-sealed under high vacuum. The sealed quartz reaction tube was placed in a temperature-programmed tube furnace. After 50 hours, the temperature was raised to 1000oC, kept for 100 hours, and then after 150 hours, the temperature was lowered to 300oC. After that, the power of the furnace was cut off, and the temperature was naturally lowered to room temperature. The product was washed with deionized water and dried with ethanol to obtain the target crystal (X-ray single crystal test) and powder pure phase.
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The invention relates to an infrared nonlinear optical crystal AB4C5Se12 and a preparation method thereof, belonging to the field of inorganic nonlinear optical materials. The infrared nonlinear optical crystal AB4C5Se12 is synthesized through a high-temperature solid-phase one-step synthesis method. In the synthesized infrared nonlinear optical crystal AB4C5Se12, A is K, Rb or Cs; B is Mn or Cd; C is Ga or In; and the infrared nonlinear optical crystal belongs to a trigonal system, and the space group is R3. Under the excitation action of 2.05mu m laser, the powder frequency-doubling strength of the compound RbCd4In5Se12 is 40 times higher than that of AgGaS2.
Description
technical field [0001] The invention relates to a class of crystallographic non-centrosymmetric alkali metal chalcogen compound materials and a preparation method thereof, belonging to the field of inorganic nonlinear optical materials. Background technique [0002] Nonlinear optical crystals have nonlinear optical effects such as laser frequency doubling, difference frequency, multiple frequency doubling, parametric oscillation and amplification. This kind of crystal is widely used in laser frequency conversion, four-wave mixing, beam steering, image amplification, optical Research fields such as information processing, optical storage, optical fiber communication, underwater communication, laser countermeasures and nuclear fusion. According to their light-transmitting wavelength range, nonlinear optical crystals can be divided into three categories: ultraviolet, visible and infrared regions, among which crystals in ultraviolet and visible regions such as KH 2 PO 4 (KDP),...
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IPC IPC(8): C30B29/46C30B1/10G02F1/355
Inventor 陈玲林华吴立明吴新涛
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI