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Compound lead rubidium borophosphate and non-linear optical crystal of lead rubidium borophosphate, preparation method and applications thereof

A technology of rubidium lead borophosphate and nonlinear optics, which is applied in the field of compound rubidium lead borophosphate and rubidium lead borophosphate nonlinear optical crystals and their preparation and application, and can solve the problem of fewer borophosphate compounds

Active Publication Date: 2014-03-12
XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, there are relatively few reports on borophosphate compounds as nonlinear optical materials.

Method used

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  • Compound lead rubidium borophosphate and non-linear optical crystal of lead rubidium borophosphate, preparation method and applications thereof
  • Compound lead rubidium borophosphate and non-linear optical crystal of lead rubidium borophosphate, preparation method and applications thereof
  • Compound lead rubidium borophosphate and non-linear optical crystal of lead rubidium borophosphate, preparation method and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Synthetic rubidium lead borophosphate (RbPbBP 2 o 8 ) compounds:

[0036] According to chemical formula: Rb 2 CO 3 +2PbO+2H 3 BO 3 +4NH 4 h 2 PO 4 =2RbPbBP 2 o 8 +CO 2 ↑+4NH 3 ↑+9H 2 O ↑ is prepared by solid phase reaction method:

[0037] Weigh the raw materials according to the ratio of the reaction formula and put them into a mortar, mix and grind them carefully, put them into a corundum crucible with an opening of Φ400mm×400mm, press them tightly, put them into a muffle furnace, slowly raise the temperature to 500°C, and keep the temperature constant for 24 hours , take out the crucible after cooling, at this time the sample is relatively loose, then take out the sample and grind it evenly again, then put it in the crucible, keep it in the muffle furnace at a temperature of 700°C for 48 hours, take it out, put it in a mortar and pound it Grinding to get RbPbBP 2 o 8 compound, the product is subjected to X-ray analysis, and the resulting X-ray spectru...

Embodiment 2

[0044] According to the reaction formula Rb 2 O+2PbO+2H 3 BO 3 +4NH 4 h 2 PO 4 =2RbPbBP 2 o 8 +4NH 3 ↑+9H 2 O ↑ Synthesis of RbPbBP 2 o 8 Compound, specific operation steps are carried out according to embodiment 1;

[0045] Preparation of RbPbBP by pulling method 2 o 8 Crystal:

[0046] Synthetic RbPbBP 2 o 8 Put the compound into a Φ90mm×90mm open platinum crucible, then put the crucible into a crystal growth furnace, raise the temperature to 750°C, keep the temperature for 10 hours, then cool down to 700°C to obtain a rubidium lead borophosphate compound melt;

[0047] RbPbBP cut along the c-axis 2 o 8 The seed crystal is fixed on the lower end of the seed rod with a platinum wire, and the seed crystal is introduced into the crucible from the small hole on the top of the furnace, so that the seed crystal is in contact with the liquid surface of the melt, and the temperature is lowered to 690°C at a rate of 1°C / day, at 20rpm Rotate the seed crystal to grow ...

Embodiment 3

[0051] According to the reaction formula Rb 2 C2 o 4 .H 2 O+2PbO+2H 3 BO 3 +4NH 4 h 2 PO 4 =2RbPbBP 2 o 8 +CO 2 ↑+CO↑+4NH 3 ↑+10H 2 O ↑ Synthesis of RbPbBP 2 o 8 Compound, specific operation steps are carried out according to embodiment 1:

[0052] Preparation of RbPbBP by Kyropoulos method 2 o 8 Crystal:

[0053] Synthetic RbPbBP 2 o 8 Put the compound into an 80mm×80mm open platinum crucible, then put the crucible into a crystal growth furnace, raise the temperature to 750°C, keep the temperature for 4 hours, then cool down to 705°C to obtain a rubidium lead borophosphate compound melt;

[0054] RbPbBP cut along the c-axis 2 o 8 The seed crystal is fixed on the lower end of the seed rod with a platinum wire, and the seed crystal is introduced into the crucible from the small hole on the top of the furnace, so that the seed crystal is in contact with the liquid surface of the melt, and the temperature is lowered to 690, at a rate of 5°C / day, and at a rate ...

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Abstract

The invention relates to a compound lead rubidium borophosphate and a non-linear optical crystal of lead rubidium borophosphate, a preparation method and applications thereof. The chemical formula of the lead rubidium borophosphate is RbPbBP2O8, and the compound is prepared by adopting a solid phase reaction method. The chemical formula of the non-linear optical crystal of lead rubidium borophosphate is RbPbBP2O8, the crystal belongs to a tetragonal crystal system, the space group of the crystal is I-42d, the lattice parameter is Z=4, the powder frequency-doubling effect is 1.1 times that of KDP(KH2PO4), and ultraviolet light penetrating waveband cutoff edge is less than 240 nm. The preparation of the crystal has the advantages of simple operation and low cost, and the reagents are all inorganic substances, and the crystal has the advantages of low toxicity, short growth period, and stable physical and chemical properties. The crystal is suitable for manufacturing non-linear optical devices, and is widely applied to non-linear optical devices such as frequency doubling conversion, optical parametrical oscillator, and the like.

Description

technical field [0001] The invention relates to a compound rubidium lead borophosphate whose chemical formula is RbPbBP2O8 and a nonlinear optical crystal of rubidium lead borophosphate, a preparation method and an application. Background technique [0002] As a high-intensity, directional coherent monochromatic light source, laser is widely used in scientific research, industry, transportation, national defense, medical and health and other related fields. However, the laser wave bands directly output by various lasers at present are limited, and there are still blank laser wave bands from the ultraviolet band to the infrared band. Ti:Sapphire (Ti:Al) with the largest tunable range 2 o 3 ) laser as an example, its maximum tunable range is only between 670nm-1100nm, which is far from meeting the needs of laser technology development. At the same time, due to the particularity of the laser generation mechanism, it is impossible to find a practical laser medium for every wa...

Claims

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Application Information

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IPC IPC(8): C30B29/22C30B15/00C30B11/00C30B17/00G02F1/355
Inventor 潘世烈王颖
Owner XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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