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Li8NaRb3(SO4)6.2H2O compound, non-linear optical crystals as well as preparation method and application of non-linear optical crystals

A 6·2H2O, nonlinear optics technology, applied in nonlinear optics, alkali metal compounds, chemical instruments and methods, etc., can solve the problems of small birefringence, large birefringence, CLBO deliquescence, etc., and achieve human toxicity The effect of small size, low cost and short growth cycle

Active Publication Date: 2019-01-08
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 and CBO 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 However, CLBO is extremely deliquescent and difficult to achieve commercial application; KBBF is difficult to obtain crystals with a large c-direction thickness due to its severe layered growth habit

Method used

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  • Li8NaRb3(SO4)6.2H2O compound, non-linear optical crystals as well as preparation method and application of non-linear optical crystals
  • Li8NaRb3(SO4)6.2H2O compound, non-linear optical crystals as well as preparation method and application of non-linear optical crystals
  • Li8NaRb3(SO4)6.2H2O compound, non-linear optical crystals as well as preparation method and application of non-linear optical crystals

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Adopt aqueous solution method, reaction equation is as follows:

[0030] 8Li 2 SO4·H 2 O+Na 2 SO 4 +3Rb 2 SO 4 =2Li 8 NaRb 3 (SO 4 ) 6 2H 2 O+4H 2 o

[0031] The specific operation steps are:

[0032] a. Will Li 2 SO4 H2O, Na 2 SO4, Rb 2 Weigh SO4 at a molar ratio of 8(10.234g):1(1.420g):3(8.010g) and put it into a clean beaker (clean the beaker with acid first, then rinse it with deionized water), add 60ml of deionized water, then ultrasonic treatment for 10 minutes to make it fully mixed and dissolved;

[0033] b. Seal the beaker containing the solution in step a with plastic wrap and place it in a static environment without shaking, pollution, and air convection. Prick the seal with several small holes to adjust the evaporation rate of water in the aqueous solution. Stand at low temperature (30°C-70°C) for 15-30 days;

[0034] c. Treat the solution in step b to grow crystal particles at the bottom of the beaker until the size of the crystal particle...

Embodiment 2

[0037] Adopt aqueous solution method, reaction equation is as follows:

[0038] 8Li 2 SO4·H 2 O+Na 2 SO 4 10H 2 O+3Rb 2 SO 4 =2Li 8 NaRb 3 (SO 4 ) 6 2H 2 O+14H 2 o

[0039] The specific operation steps are:

[0040] a. Will Li 2 SO4 H2O, Na 2 SO4·10H 2 O, Rb 2 SO4 was weighed at a molar ratio of 8(10.234g):1(3.222g):3(8.010g) and put into a clean beaker (the beaker must be cleaned with acid first, and then rinsed with deionized water), and added 60ml of deionized water, then ultrasonic treatment for 10 minutes to make it fully mixed and dissolved;

[0041] b. Seal the beaker containing the solution in step a with plastic wrap and place it in a static environment without shaking, pollution, and air convection. Prick the seal with several small holes to adjust the evaporation rate of water in the aqueous solution. Stand at low temperature (30°C-70°C) for 15-30 days;

[0042] c. Treat the solution in step b to grow crystal particles at the bottom of the beaker...

Embodiment 3

[0045] Adopt aqueous solution method, reaction equation is as follows:

[0046] 8Li 2 SO4+Na 2 SO 4 +3Rb 2 SO 4 +4H 2 O=2Li 8 NaRb 3 (SO 4 ) 6 2H 2 o

[0047] The specific operation steps are:

[0048] a. Will Li 2 SO4, Na 2 SO4, Rb 2 Weigh SO4 at a molar ratio of 8(8.795g):1(1.420g):3(8.010g) and put it into a clean beaker (clean the beaker with acid first, then rinse it with deionized water), add 60ml of deionized water, then ultrasonic treatment for 10 minutes to make it fully mixed and dissolved;

[0049] b. Seal the beaker containing the solution in step a with plastic wrap and place it in a static environment without shaking, pollution, and air convection. Prick the seal with several small holes to adjust the evaporation rate of water in the aqueous solution. Stand at low temperature (30°C-70°C) for 15-30 days;

[0050] c. Treat the solution in step b to grow crystal particles at the bottom of the beaker until the size of the crystal particles no longer ...

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Abstract

The invention relates to a Li8NaRb3(SO4)6.2H2O compound, non-linear optical crystals as well as a preparation method of the Li8NaRb3(SO4)6.2H2O crystals and an application of the Li8NaRb3(SO4)6.2H2O crystals to production of non-linear optical devices. The Li8NaRb3(SO4)6.2H2O compound, the non-linear optical crystals as well as the preparation method and the application of the non-linear optical crystals have the following beneficial effects: the method has the advantages of simple operation, low cost, little pollution, low raw material toxicity, short growth period and the like; the obtainedcrystals have the advantages of shorter ultraviolet absorption cutoff, larger non-linear optical effect, stable physical and chemical properties, good mechanical properties and the like; the crystalscan be used for producing the non-linear optical devices; the non-linear optical devices produced from the non-linear optical crystals can be applied to various fields of military and civil high technologies such as laser blinding weapons, optical disk recording, laser projection televisions, optical computation, fiber-optical communication and the like.

Description

technical field [0001] The present invention relates to a kind of Li 8 NaRb 3 (SO 4 ) 6 2H 2 O compound, Li 8 NaRb 3 (SO 4 ) 6 2H 2 O nonlinear optical crystal, Li 8 NaRb 3 (SO 4 ) 6 2H 2 The preparation method of O crystal and Li 8 NaRb 3 (SO 4 ) 6 2H 2 O crystals are used in the manufacture of 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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01D17/00C30B7/04C30B29/46G02F1/355
CPCC01D17/003C30B7/04C30B29/46G02F1/3551
Inventor 罗军华李雁强赵三根
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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