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Cslicdp2o7 compound, cslicdp2o7 nonlinear optical crystal and its preparation method and use

A nonlinear optics and compound technology, applied in phosphorus compounds, chemical instruments and methods, inorganic chemistry, etc., can solve the problems of easy deliquescence, limited output power and beam quality, and low birefringence of CLBO, and achieve large nonlinear optics. effect, short UV absorption cut-off edge, stable physical and chemical properties

Active Publication Date: 2018-08-28
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the birefringence of LBO is relatively small, and the quadrupling output of 1064nm wavelength laser cannot be realized; the birefringence of BBO is relatively large, and there is a photorefractive effect when used for quadrupling output of 1064nm wavelength laser, which limits its Output power and beam quality; while CLBO is extremely deliquescent and difficult to achieve commercial applications; KBBF is difficult to obtain crystals with a large c-thickness due to its serious layered growth habit

Method used

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  • Cslicdp2o7 compound, cslicdp2o7 nonlinear optical crystal and its preparation method and use
  • Cslicdp2o7 compound, cslicdp2o7 nonlinear optical crystal and its preparation method and use
  • Cslicdp2o7 compound, cslicdp2o7 nonlinear optical crystal and its preparation method and use

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Adopt solid phase reaction method, reaction equation is as follows:

[0039] 0.5Cs 2 CO 3 +LiOH·H 2 O+CdCO 3 +2NH 4 h 2 PO 4 =CsLiCdP 2 o 7 +1.5CO 2 ↑+4.5H 2 O↑ +2NH 3 ↑

[0040] The dosages of the above four reagents are respectively: Cs 2 CO 3 1.629g (0.005mol), LiOH·H 2 O 0.4196g (0.010mol), CdCO 3 1.724g (0.010mol),NH 4 h 2 PO 4 2.301 g (0.020 mol).

[0041] The specific operation steps are: weigh the reagents according to the above dosage, put them into a mortar, mix and grind them evenly, then put them into a corundum ceramic crucible, compact them, put them into a muffle furnace, and heat them at 10°C / Heat up to 500°C at a rate of 1 hour, then heat-preserve and sinter for more than 12 hours. After cooling down to room temperature, take it out and grind it evenly. Phase CsLiCdP 2 o 7 compound.

[0042] Such as figure 2 As shown, the powder X-ray diffraction pattern of the compound prepared in this example is consistent with the pattern...

Embodiment 2

[0044] Preparation of powdered CsLiCdP 2 o 7 compound

[0045] Adopt solid phase reaction method, reaction equation is as follows:

[0046] 1CsNO 3 +0.5Li 2 CO 3 +Cd(NO 3 ) 2 +2(NH 4 ) 2 HPO 4 =CsLiCdP 2 o 7 +0.5CO 2 ↑+3H 2 O ↑+0.75O 2 ↑+4NH 3 ↑+3NO 2 ↑

[0047] The dosage of the above four reagents:

[0048] cNO 3 1.949g (0.010mol), Li 2 CO 3 0.369g (0.005mol), CdCO 3 1.724 g (0.010 mol), NH 4 h 2 PO 4 2.301 g (0.020 mol).

[0049] The specific operation steps are: weigh the reagents according to the above-mentioned doses, put them into a mortar, mix and grind them evenly, then put them into a corundum ceramic crucible, compact them, put them into a muffle furnace, and heat them at 200 ° C / Heat up to 500°C at a rate of 1 hour, then heat-preserve and sinter for more than 12 hours, take it out and grind it evenly after cooling down to room temperature, then heat up to 600°C at a rate of 200°C / hour and sinter for more than 24 hours, take it out an...

Embodiment 3～6

[0051] Embodiment 3~6 is to prepare CsLiCdP 2 o 7 the crystal

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Abstract

The invention relates to a CsLiCdP207 compound, a CsLiCdP207 nonlinear optical crystal, a preparation method of the crystal and an application of the crystal. The crystal is transparent and free of inclusion and has the advantages of high growth speed, low cost, short ultraviolet absorption cutoff edge, high nonlinear optical effect, stable physical and chemical properties, good mechanical property, easiness in processing and the like. The crystal can be used for manufacturing a nonlinear optical device. The nonlinear optical device made of the nonlinear optical crystal can be used for a plurality of military and civil high-tech fields such as laser blind weapons, optical disk recording, laser projection televisions, optical computation and optical fiber communication.

Description

technical field [0001] The present invention relates to a kind of CsLiCdP 2 o 7 compound, CsLiCdP 2 o 7 Nonlinear optical crystal, CsLiCdP 2 o 7 Crystal preparation method, CsLiCdP 2 o 7 Use of crystals for fabricating nonlinear optical devices and comprising CsLiCdP 2 o 7 Optical devices for nonlinear optical crystals. Background technique [0002] The nonlinear optical effect of crystal refers to such an effect: when a beam of laser light with a certain polarization direction passes through a nonlinear optical crystal in a certain direction, the frequency of the beam will change. Crystals with nonlinear optical effects are called nonlinear optical crystals. Using the nonlinear optical effect of crystals, nonlinear optical devices such as second harmonic generators, up-down frequency converters, and optical parametric oscillators can be made. The all-solid-state laser using nonlinear optical crystals for frequency conversion is a development direction of lasers i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B25/45C30B29/14C30B9/12
CPCC01B25/45C01P2002/72C30B9/12C30B29/14
Inventor 罗军华沈耀国赵三根赵炳卿孙志华
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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