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rbba2(po3)5 compound, rbba2(po3)5 nonlinear optical crystal and its preparation method and application

A technology of nonlinear optics and compounds, applied in the direction of nonlinear optics, phosphorus compounds, chemical instruments and methods, etc., can solve the problems of unfavorable application, small frequency doubling effect of powder, etc., and achieve easy processing, good mechanical properties, physical and chemical properties stable effect

Active Publication Date: 2016-01-13
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

Unfortunately, Ba 3 P 3 o 10 X(X=Cl,Br) powder frequency doubling effect is relatively small, which is unfavorable for its application

Method used

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  • rbba2(po3)5 compound, rbba2(po3)5 nonlinear optical crystal and its preparation method and application
  • rbba2(po3)5 compound, rbba2(po3)5 nonlinear optical crystal and its preparation method and application
  • rbba2(po3)5 compound, rbba2(po3)5 nonlinear optical crystal and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Preparation of powdered RbBa 2 (PO 3 ) 5 compound

[0044] Adopt solid phase reaction method, reaction equation is as follows:

[0045] Rb 2 CO 3 +4BaCO 3 +10NH 4 h 2 PO 4 =2RbBa 2 (PO 3 ) 5 +5CO 2 ↑+15H 2 O↑+10NH 3 ↑

[0046] The dosage of the above three reagents: Rb 2 CO 3 1.155 g (0.005 mol), BaCO 3 3.948 g (0.02 mol), NH 4 h 2 PO 4 5.750 g (0.05 mol).

[0047] The specific operation steps are: weigh the reagents according to the above dosages, put them into a mortar, mix and grind them evenly, then put them into a 15mL corundum ceramic crucible, compact them, put them into a muffle furnace, and The temperature was raised to 400°C at a rate of °C / h and kept at a constant temperature for 24h. After cooling down to room temperature, take out the sample and re-grind it evenly, then place it in a crucible for compaction, heat up to 650°C for 72 hours in a muffle furnace at a rate of 100°C / h and sinter for 72 hours, take it out and grind it once in...

Embodiment 2

[0049] Preparation of powdered RbBa 2 (PO 3 ) 5 compound

[0050] Adopt solid phase reaction method, reaction equation is as follows:

[0051] Rb 2 CO 3 +4Ba(OH) 2 +10(NH 4 ) 2 HPO 4 =2RbBa 2 (PO 3 ) 5 +14H 2 O↑+CO 2 ↑+10NH 3 ↑

[0052] The dosage of the above three reagents: Rb 2 CO 3 0.231g (0.001mol), Ba(OH) 2 0.686g (0.004mol), (NH 4 ) 2 HPO 4 1.3206 g (0.010 mol).

[0053] 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 10mL corundum ceramic crucible, compact them, put them into a muffle furnace, and use 30 The temperature was slowly raised to 400°C at a rate of °C / h and kept at a constant temperature for 24h. After cooling down to room temperature, take out the sample and re-grind it evenly, then place it in a crucible for compaction, heat up to 650°C for 100 hours in a muffle furnace at a rate of 50°C / h and sinter for 100 hours, tak...

Embodiment 3

[0055] Preparation of powdered RbBa 2 (PO 3 ) 5 compound

[0056] Adopt solid phase reaction method, reaction equation is as follows:

[0057] 3RbNO 3 +6BaO+15NH 4 h 2 PO 4 =3RbBa 2 (PO 3 ) 5 +4N 2 ↑+30H 2 O↑+10NH 3 ↑

[0058] The dosage of the above three reagents: RbNO 3 1.475g (0.01mol), BaO3.006g (0.02mol), NH 4 h 2 PO 45.750 g (0.05 mol).

[0059] The specific operation steps are: weigh the reagents according to the above dosages, put them into a mortar, mix and grind them evenly, then put them into a 15mL corundum ceramic crucible, compact them, put them into a muffle furnace, and The temperature was raised to 400°C at a rate of °C / h and kept at a constant temperature for 24h. After cooling down to room temperature, take out the sample and re-grind it evenly, then place it in a crucible for compaction, heat up to 650°C for 120 hours in a muffle furnace at a rate of 100°C / h and sinter for 120 hours, take it out and grind twice in the middle, and then ge...

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Abstract

The invention provides RbBa2(PO3)5 chemical substance, RbBa2(PO3)5 nonlinear optical crystal and its preparation method and application, and relates to the field of nonlinear optical crystal material; the compound is prepared by a solid-state reaction method; RbBa2(PO3)5 crystal Does not contain a symmetry center and belongs to the monoclinic crystal system PC The space group, the unit cell parameters are a ? =? 8.6808(4)? ? ,? b ? =? 7.3166(2)? ? , c ? =? 13.9257(7)? ? , β =128.94(1)°, V？ =? 687.93(445)? ? 3, Z ? =? 2; The frequency doubling conversion efficiency of RbBa2(PO3)5 nonlinear optical crystal is about 1.4 times that of KH2PO4 crystal, and its UV absorption cut-off edge is at 163? nm; RbBa2(PO3)5 crystal has stable physical and chemical properties, moderate hardness, and is easy to cut, process and use. It can be used to make nonlinear optical devices and develop nonlinear optical applications in ultraviolet and deep ultraviolet bands.

Description

technical field [0001] The present invention relates to a kind of RbBa 2 (PO 3 ) 5 Compound, RbBa 2 (PO 3 ) 5 Nonlinear optical crystal, the RbBa 2 (PO 3 ) 5 The preparation method of the crystal and the use of the crystal in making nonlinear optical devices. technical background [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 in the future, and the key is to obtain excellent nonlinear opti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B25/45G02F1/355C30B29/14C30B17/00
Inventor 罗军华赵三根
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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