Sodium yttrium borate, sodium yttrium borate nonlinear optical crystal as well as preparation method and application of sodium yttrium borate nonlinear optical crystal

A technology of nonlinear optics and sodium yttrium borate, applied in nonlinear optics, optics, crystal growth, etc.

Inactive Publication Date: 2014-04-23
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this is only possible in non-centrosymmetric crystals

Method used

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  • Sodium yttrium borate, sodium yttrium borate nonlinear optical crystal as well as preparation method and application of sodium yttrium borate nonlinear optical crystal
  • Sodium yttrium borate, sodium yttrium borate nonlinear optical crystal as well as preparation method and application of sodium yttrium borate nonlinear optical crystal
  • Sodium yttrium borate, sodium yttrium borate nonlinear optical crystal as well as preparation method and application of sodium yttrium borate nonlinear optical crystal

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Embodiment 1: prepare powdery Na 3 Y 3 (BO 3 ) 4 compound

[0041] Prepared by solid phase reaction method, the reaction equation used is 3Na 2 O+3Y 2 o 3 +4B 2 o 3 =2Na 3 Y 3 (BO 3 ) 4 ;

[0042] The proportioning ratio of the above three reagents: Na 2 O=5.780g (0.09mol); Y 2 o 3 =20.324g (0.09mol); B 2 o 3 =8.354g (0.12mol);

[0043] The specific preparation steps are: weigh the reagents according to the above doses, put them in a mortar, grind and mix them carefully, then put them into a Φ50mm×50mm crucible, compact them, put them into a muffle furnace, and Heat up at a rate of 50°C / h to 500°C for pre-firing, keep it warm for 24 hours and then cool down. After cooling, take out the sample and re-grind and mix it evenly, then put it in a crucible for compaction, and sinter in a muffle furnace at 1100°C for 24 hours. You can take it out in the middle Grind 1-2 times; after cooling, take out the crucible, crush and grind in a mortar to obtain powdere...

Embodiment 2

[0044] Embodiment 2: prepare powdery Na 3 Y 3 (BO 3 ) 4 compound

[0045] Prepared by solid phase reaction method;

[0046] The reaction equation adopted is: 3Na 2 CO 3 +3Y 2 o 3 +8H 3 BO 3 =2Na 3 Y 3 (BO 3 ) 4 +3CO 2 ↑+12H 2 O↑

[0047] The proportioning ratio of the above three reagents: Na 2 CO 3 =9.539g (0.09mol); Y 2 o 3 =20.324g (0.09mol); H 3 BO 3 =14.839g (0.24mol);

[0048] The specific preparation steps are: weigh the reagents according to the above doses, put them in a mortar, grind and mix them carefully, then put them into a Φ50mm×50mm crucible, compact them, put them into a muffle furnace, and Raise the temperature at a rate of 30°C / h to 500°C for pre-firing, keep it warm for 48 hours, take out the sample after cooling, grind and mix evenly, then put it in a crucible for compaction, sinter in a muffle furnace at 800°C for 48 hours, take it out and grind it for 1~ 2 times. After cooling, the crucible is taken out, crushed and ground in a m...

Embodiment 3

[0049] Embodiment 3: prepare powdery Na 3 Y 3 (BO 3 ) 4 compound

[0050] Prepared by solid phase reaction method;

[0051] The reaction equation adopted is as follows:

[0052] 12NaNO 3 +6Y 2 o 3 +16H 3BO 3 =4Na 3 Y 3 (BO 3 ) 4 +12NO 2 ↑+24H 2 O↑+3O 2 ↑

[0053] The ratio of the above three reagents: NaNO 3 =15.300g (0.18mol); Y 2 o 3 =40.648g (0.18mol); H 3 BO 3 =14.839g (0.24mol).

[0054] The specific preparation steps are: weigh the reagents according to the above doses, put them in a mortar, grind and mix them carefully, then put them into a Φ50mm×50mm crucible, compact them, put them into a muffle furnace, and Raise the temperature at a rate of 40°C / h to 500°C for pre-firing, and keep it warm for 36 hours. After cooling, take out the sample and re-grind and mix it, then put it in a crucible for compaction, sinter in a muffle furnace at 900°C for 36 hours, take it out and grind it for 1~ 2 times. After cooling, the crucible is taken out, crushed ...

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Abstract

The invention discloses a Na3Y3(BO3)4 compound, a Na3Y3(BO3)4 nonlinear optical crystal as well as a preparation method and application of the nonlinear optical crystal. The compound is prepared through a chemical synthesis method; the crystal is prepared through a molten-salt growth method; the prepared Na3Y3(BO3)4 crystal is high in nonlinear optical effect and wide transmittance range, good in mechanical performance, free from hygroscopy, easy for processing and preserving, and applicable to laser frequency conversion within blue and green light bands; the Na3Y3(BO3)4 crystal can be used for producing nonlinear optical devices; a Nd: YAG Q-switched laser is taken as a light source at room temperature to receive infrared light at wavelength of 1064nm and to output green laser at wavelength of 532nm, and laser intensity is 2-4 times as much as potassium dihydrogen phosphate (KDP).

Description

technical field [0001] The invention belongs to the field of compounds, crystals and preparation and application, in particular to sodium yttrium borate Na 3 Y 3 (BO 3 ) 4 Compound, Na 3 Y 3 (BO 3 ) 4 Nonlinear optical crystal, its preparation method and application. technical background [0002] The discipline of studying various new effects and new phenomena in the process of interaction between intense laser radiation and matter, and the application of these effects and phenomena is called nonlinear optics. Crystals with nonlinear optical effects are collectively called nonlinear optical crystals. Here nonlinear optical effects refer to laser frequency doubling, sum frequency, difference frequency, optical parametric amplification, etc. However, this is only possible in non-centrosymmetric crystals. Using the nonlinear optical effect of crystals can be used to make nonlinear optical devices such as harmonic generators and optical parametric amplifiers, which hav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C30B29/10C30B1/10C30B9/12G02F1/355
Inventor 张国春单法宪姚吉勇张建秀吴以成
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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