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Nonlinear optical crystal plumbum-lanthanum iodate

A technology of nonlinear optics and lead lanthanum iodate, which is applied in the field of nonlinear optical materials and their synthesis, and can solve problems such as no literature reports

Inactive Publication Date: 2009-11-25
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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Problems solved by technology

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Method used

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Examples

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example 1

[0008] Example 1: PbCl 2 (50mg, 0.182mmol), I 2 o 5 (200mg, 0.599mmol) and La 2 o 5 (50mg, 0.153mmol), H 2 Put O (2ml) into a hydrothermal reaction kettle and mix evenly, seal it, place it in a box-type resistance furnace, heat up from 30°C to 200°C after 1200min, react at a constant temperature for 5760min, and finally lower it to 30°C at 6°C per hour. A colorless transparent bulk crystal was obtained.

example 2

[0009] Example 2: PbCl 2 (200mg, 0.728mmol), I 2 o 5 (800mg, 2.396mmol) and La 2 o 5 (200mg, 0.612mmol), H 2 O (8ml) is put into a hydrothermal reaction kettle and mixed evenly, sealed, placed in a box-type resistance furnace, and heated from 30°C to 200°C after 1200min, constant temperature reaction for 5760min, and finally reduced to 30°C at 6°C per hour. A colorless transparent bulk crystal was obtained.

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PUM

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Abstract

The invention relates to nonlinear optical crystal plumbum-lanthanum iodate which belongs to a nonlinear optical material and synthesis thereof. The plumbum-lanthanum iodate has a chemical formula of La3Pb3O(IO3)13 and the molecular weight of 3328, belongs to the trigonal system and has a space group of R3c and unit cell parameters that a is 22.234(2), b is 22.234(2), c is 13.702(1)*, Alpha and Beta are respectively 90 degrees, Gamma is 120 degrees, V is 5866(1)*3 and Z is 6. The plumbum-lanthanum iodate (La3Pb3O(IO3)13) is prepared by a hydrothermal method and has good nonlinear optical performance, and the SHG coefficient of plumbum-lanthanum iodate powder is two times of that of KDP and equivalent to that of LBO.

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 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 practice include α-LiIO 3 , α-HIO 3 , KIO 3 , KH 2 PO 4 (KDP), KTiOPO 4 (KTP), LiNbO 3 (LNO) and BaTiO 3 (BTO) and so on. Among them, iodate nonlinear optical crystals have attracted extensi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/355
Inventor 毛江高胡婷
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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