A kind of nonlinear optical crystal vanadium potassium iodate

A technology of nonlinear optics and potassium vanadium iodate, which is applied in the field of nonlinear optical materials and their synthesis, can solve problems such as no literature reports, and achieve the effect of excellent nonlinear optical performance

Active Publication Date: 2015-12-16
徐翔
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Problems solved by technology

There are no literature reports on this aspect

Method used

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Examples

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example 1

[0008] Example 1: K 2 CO 3 (55mg, 0.4mmol), V 2 o 5 (91mg, 0.5mmol), I 2 o 5 (668mg, 2mmol) and H 2 O (2ml) was put into a hydrothermal reaction kettle and mixed evenly, sealed, placed in a box-type resistance furnace, and heated from 30°C to 160°C after 400min, and reacted at constant temperature for four days, and finally dropped to 30°C at 3°C ​​per hour. Red transparent blocky crystals can be obtained.

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Abstract

A non-linear optical crystal iodic acid vanadium potassium is characterized in that a chemical formula is K (VO2)2 (IO3)3, molecular weight is 729.68, the non-linear optical crystal iodic acid vanadium potassium belongs to an orthorhombic system and a space group Ima2, and unit cell parameters include that a=14.136 (3), b=10.201 (2), c=8.064 (1), alpha=beta=gamma=90 degrees, V=1162.8 (3) and Z=4. A hydrothermal method is adopted for preparation. The iodic acid vanadium potassium K (VO2)2(IO3)3 has good non-linear optical performance, and a second harmonic generation (SHG) coefficient of powder of the iodic acid vanadium potassium is 3.6 times that of potassium titanyl phosphate (KTP).

Description

technical field [0001] The invention belongs to nonlinear optical material and its synthesis. Background technique [0002] Nonlinear optical crystals, with frequency doubling effect (SHG), have important application value in high-tech fields such as laser frequency conversion, electro-optical modulation, and photorefractive information processing. Nonlinear optical crystals have attracted extensive attention due to their excellent properties. Nonlinear optical materials are used in modern science and technology, especially in several military and civilian high-tech fields, such as submarine deep-water communication, laser blinding weapons, marine fish detection, optical disc recording, color laser printing, laser projection TV, optical computing and Optical fiber communication, etc., have a series of important applications. The nonlinear optical crystals currently used in practical applications include KH 2 PO 4 (KDP), KTiOPO 4 (KTP), LiNbO 3 (LNO), BaTiO 3 (BTO), α-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C30B29/22C30B7/10
Inventor 毛江高孙传福
Owner 徐翔
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