k3ba3li2al4b6o20f compound, k3ba3li2al4b6o20f nonlinear optical crystal and preparation method and use thereof

A k3ba3li2al4b6o20f, 1.k3ba3li2al4b6o20f technology, applied in the field of manufacturing nonlinear optical devices, can solve the problems of limited output power and beam quality, small birefringence, large birefringence, etc.

Active Publication Date: 2018-09-28
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, it is 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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  • k3ba3li2al4b6o20f compound, k3ba3li2al4b6o20f nonlinear optical crystal and preparation method and use thereof
  • k3ba3li2al4b6o20f compound, k3ba3li2al4b6o20f nonlinear optical crystal and preparation method and use thereof
  • k3ba3li2al4b6o20f compound, k3ba3li2al4b6o20f nonlinear optical crystal and preparation method and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Adopt solid phase reaction method, reaction equation is as follows:

[0053] (a) 1.5K 2 CO 3 +3BaCO 3 +0.5Li 2 CO 3 +2Al 2 o 3 +6H 3 BO 3 +LiF

[0054] = K 3 Ba 3 Li 2 Al 4 B 6 o 20 F+5CO 2 ↑+9H 2 O↑

[0055] The amount of the above three reagents: K 2 CO 3 20.73g (0.15mol), BaCO 3 59.20g (0.30mol), Li 2 CO 3 3.69g (0.05mol), Al 2 o 3 20.39g (0.20mol), LiF 2.59g (0.10mol), and H 3 BO 3 37.10 g (0.6 mol).

[0056] 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 corundum ceramic crucible, compact them, put them into a muffle furnace, and heat them at 10°C / Heat up to 450°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 K 3 Ba 3 Li 2 Al 4 B 6 o 20 F compound.

[0057] Such as figure 2 As shown, the powder X-ray diffraction p...

Embodiment 2

[0059] Preparation of powdered K 3 Ba 3 Li 2 Al 4 B 6 o 20 F compound

[0060] Adopt solid phase reaction method, reaction equation is as follows:

[0061] (b) 11KNO 3 +12Ba(OH) 2 +8LiOH·H 2 O+8Al 2 o 3 +24H 3 BO 3 +KBF

[0062] = 4K 3 Ba 3 Li 2 Al 4 B 6 o 20 F+11NO 2 ↑+60H 2 O↑+3.5O 2 ↑

[0063] The dosage of the above three reagents:

[0064] 0.11mol KNO 3 , 0.12molBa(OH) 2 , 0.08molLiOH·H 2 O, 0.08molAl 2 o 3 , 0.24 molH 3 BO 3 , 0.01mol KBF.

[0065] 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 200 ° C / The temperature is raised to 650°C at a rate of 1 hour, and then heat-preserved and sintered for more than 12 hours. After cooling down to room temperature, it is taken out and ground evenly. Phase K 3 Ba 3 Li 2 Al 4 B 6 o 20 F compound....

Embodiment 3

[0067] Preparation of powdered K 3 Ba 3 Li 2 Al 4 B 6 o 20 F compound

[0068] Adopt solid phase reaction method, reaction equation is as follows:

[0069] (c) 1.5KHCO 3 +3BaNO 3 +0.5Li 2 CO 3 +2Al 2 o 3 +6H 3 BO 3 +KF

[0070] = K 3 Ba 3 Li 2 Al 4 B 6 o 20 F+3CO 2 ↑+10H 2 O↑+3NO 2 ↑.

[0071] The dosage of the above three reagents:

[0072] 0.15molKHCO 3 , 0.3molBaNO 3 , 0.05molLi 2 CO 3 , 0.2molAl 2 o 3 , 0.6molH 3 BO 3 , 0.1mol KF.

[0073] 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 100 ° C / Heat up to 550°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 raise the temperature to 700°C at a rate of 100°C / hour and sinter for more ...

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Abstract

Disclosed are a K3Ba3Li2Al4B6O20F compound, a K3Ba3Li2Al4B6O20F nonlinear optical crystal, and a preparation method therefor and the use thereof. The obtained crystal is easy to grow, is transparent and has no inclusions, and has the advantages of a relatively fast growth speed, low cost and being prone to obtain crystals of relatively large size, and the like. The obtained crystal has the advantages that the ultraviolet absorption cut-off edge is relatively short, the nonlinear optical effect is relatively large, the physical and chemical properties are stable, the mechanical properties are good, and the crystal is easy to process and the like. The crystal can be used for making a nonlinear optical device. The nonlinear optical device made from the nonlinear optical crystal can be used in several military and civilian high-tech fields, such as laser blinding weapons, optical disc recording, laser projection televisions, optical computing and optical fibre communication, and the like.

Description

technical field [0001] The present invention relates to a K 3 Ba 3 Li 2 Al 4 B 6 o 20 F compound, K 3 Ba 3 Li 2 Al 4 B 6 o 20 F nonlinear optical crystal, K 3 Ba 3 Li 2 Al 4 B 6 o 20 F crystal preparation method and K 3 Ba 3 Li 2 Al 4 B 6 o 20 F crystals are used to make 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 fut...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B35/10C30B9/12C30B29/22G02F1/355
CPCC30B9/12C30B29/12C30B29/22G02F1/355
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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