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K3Ba3Li2Al4B6O20F compound, K3Ba3Li2Al4B6O20F nonlinear optical crystal, preparation method and application thereof

A k3ba3li2al4b6o20f, 1.k3ba3li2al4b6o20f technology, applied in the field of manufacturing nonlinear optical devices, can solve problems such as large birefringence, difficulty in obtaining c-thickness crystals, and CLBO deliquescence

Active Publication Date: 2016-06-15
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • 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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  • K3Ba3Li2Al4B6O20F compound, K3Ba3Li2Al4B6O20F nonlinear optical crystal, preparation method and application thereof
  • K3Ba3Li2Al4B6O20F compound, K3Ba3Li2Al4B6O20F nonlinear optical crystal, preparation method and application thereof
  • K3Ba3Li2Al4B6O20F compound, K3Ba3Li2Al4B6O20F nonlinear optical crystal, preparation method and application 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), LiF2.59g (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 pat...

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 , 0.24molH 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 / Heat up to 650°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 800°C at a rate of 200°C / hour and sinter for more t...

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 t...

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Abstract

The invention relates to a K3Ba3Li2Al4B6O20F compound, a K3Ba3Li2Al4B6O20F nonlinear optical crystal, a preparation method and application thereof. The crystal is easy to grow up, transparent, and free of inclusion, and has the advantages of fast growth rate, low cost, and easy acquisition of large size crystals, etc. The obtained crystal has the advantages of short ultraviolet absorption cut-off edge, large nonlinear optical effect, stable physicochemical properties, good mechanical properties, and easy processing, etc. The crystal can be used for making nonlinear optical devices. The nonlinear optical devices made from the nonlinear optical crystal can be used in several military and civil high-tech fields, like laser blinding weapons, optical disk recording, laser projection TV, optical calculation and optical fiber communication, etc.

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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IPC IPC(8): C01B35/10C30B9/12C30B29/22G02F1/355
CPCC30B9/12C30B29/12C30B29/22G02F1/355C01B35/10C01P2002/72G02F1/3551
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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