CN102674839A - A preparation method of Tm3+ doped lanthanum oxide laser transparent ceramic material - Google Patents

A preparation method of Tm3+ doped lanthanum oxide laser transparent ceramic material Download PDF

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CN102674839A
CN102674839A CN2012101605534A CN201210160553A CN102674839A CN 102674839 A CN102674839 A CN 102674839A CN 2012101605534 A CN2012101605534 A CN 2012101605534A CN 201210160553 A CN201210160553 A CN 201210160553A CN 102674839 A CN102674839 A CN 102674839A
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transparent ceramic
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赵广根
杨秋红
刘强
黄栋栋
王永刚
李韫含
段琪瑱
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SHANGHAI UNIVERSITY
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SHANGHAI UNIVERSITY
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Abstract

本发明涉及掺Tm3+氧化镧钇激光透明陶瓷的制备方法，属特种陶瓷材料制造工艺领域。其采用国产高纯（4N纯度）Tm2O3、La2O3和Y2O3的纳米粉为原料，将它们按一定摩尔比配制，经传统陶瓷制备工艺成型，而后固相烧结，制取了致密的Tm:Y2-2xLa2xO3（即Y2-2x-2yLa2xTm2yO3）透明陶瓷，具有良好的光学性能。本发明的材料制备工艺简单，制造成本低，有利于工业规模化生产。样品经透过率光谱实验测定，其在2μm附近有较高的透过率，于800nm附近吸收峰明显，LD可以直接作为泵浦源。又以荧光光谱分析显示，峰值在1931nm，说明掺Tm3+氧化镧钇透明陶瓷，有望成为一种2μm激光工作介质材料。

The invention relates to a preparation method of laser transparent ceramics doped with Tm 3+ lanthanum yttrium oxide, and belongs to the field of manufacturing technology of special ceramic materials. It uses domestic high-purity (4N purity) Tm 2 O 3 , La 2 O 3 and Y 2 O 3 nano-powders as raw materials, and prepares them according to a certain molar ratio. They are shaped by traditional ceramic preparation techniques, and then solid-phase sintered to produce The dense Tm:Y 2-2x La 2x O 3 (namely Y 2-2x-2y La 2x Tm 2y O 3 ) transparent ceramic has good optical properties. The material preparation process of the invention is simple, the manufacturing cost is low, and it is beneficial to industrial scale production. The sample is measured by the transmittance spectrum experiment. It has a high transmittance near 2μm and an obvious absorption peak near 800nm. LD can be directly used as a pump source. Fluorescence spectrum analysis shows that the peak is at 1931nm, indicating that Tm 3+ doped lanthanum yttrium oxide transparent ceramic is expected to become a 2μm laser working medium material.

Description

A kind of Tm that mixes 3+Lanthanum yttrium oxide laser transparent ceramic preparation methods
Technical field
The present invention relates to mix Tm 3+Lanthanum yttrium oxide laser transparent ceramic material and preparation method thereof, it belongs to the special cermacis manufacturing process technology field.
Background technology
2 mu m waveband lasers have obtained application aspect a lot, the characteristics of atmospheric transmission of 2 mu m waveband lasers is good, and is strong to battlefield smog penetrativity, and to eye-safe, lidar militarily also occupies very consequence in addition.2 mu m waveband lasers can also be used as medical surgical knife, do shallow table property operation (can not injure deep layer), guarantee operation safety.
Rare earth ion Tm 3+(thulium) ionic 3F 4→ 3H 6Energy level transition is to obtain the luminous main path of 2 mu m wavebands.Tm 3+Ion has little stimulated emission cross section, but because of the cross relaxation process in its energy level excitation process, makes Tm 3+The ion internal quantum efficiency reaches 2, so the Laser emission intensity of its luminous intensity not second to having reported.Research at present is laserable material more widely, mainly is rare earth ion doped crystal and glass material, and YAG (yttrium aluminum garnet) studies morely aspect transparent ceramic material research, and has also realized the output of laser.Because lanthanum yttrium oxide base transparent ceramic material thermal conductivity than the ceramic advantage such as low of YAG, makes the lanthanum yttrium oxide base transparent ceramic material be expected to realize that comparatively ideal laser exports than ceramic high, the phonon energy of YAG.
Y 2O 3Material thermal conductivity is high, is that the twice of YAG is many, and its phonon energy is lower than YAG, is a kind of good Solid State Laser substrate material.But because Y 2O 3Fusing point up to 2430 ℃, and near 2280 ℃ cube polycrystalline phase transformation of six side's phases in opposite directions can take place, thereby be difficult to grow the Y of large size and high optical quality 2O 3Crystal.Along with the development of ceramics processing and nanometer powder-making technique, Y 2O 3The sintering temperature of crystalline ceramics can be reduced to about 1700 ℃.Through at Y 2O 3Add La in the powder 2O 3Powder can promote moving of crystal boundary, quickens pore and gets rid of, and promotes Y 2O 3Ceramic post sintering, so the lanthanum yttrium oxide base transparent ceramic is a kind of laser host material of excellent property.Utilize Tm 3+Ion exists 3F 4→ 3H 6Transition on the energy level, thus the laser output of 2 mum wavelengths obtained, mix Tm 3+The lanthanum yttrium oxide laser transparent ceramic is expected to become a kind of 2 μ m laser working medium materials with development potentiality.
Summary of the invention
The objective of the invention is to: adopt homemade high-purity Tm 2O 3, La 2O 3And Y 2O 3Nano powder is a raw material, adopts traditional ceramics preparation technology, adopts suitable sintering method, under lower temperature conditions, adopts solid sintering technology at last, and Tm is mixed in preparation 3+The lanthanum yttrium oxide transparent stupalith.
The present invention relates to mix Tm 3+Lanthanum yttrium oxide laser transparent ceramic preparation methods, its preparation process and step are following:
A. adopt high-purity homemade 99.99% Tm 2O 3, 99.99% La 2O 3And 99.99%Y 2O 3Nano powder is a raw material, and three's mole proportioning is pressed chemical molecular formula Y 2-2x-2yLa 2xTm 2yO 3, the x=0.01 in the formula～0.20, y=0.005 ~ 0.10;
The Y that b. will prepare by said ratio 2-2x-2yLa 2xTm 2yO 3Mixed powder is put into ball grinder and is carried out ball milling, mixed powder ball milling 5 hours in the alcohol medium, and material ball ratio is 2:1, and the alcohol powder quality is than being 4:1, and drum's speed of rotation is 50 commentaries on classics/min;
C. ball milling is good powder is calcined powder mix in drying in oven then in retort furnace, 1200 ℃ are incubated 10 hours, and naturally cooling obtains Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) powder.
D. once more powder is put into the spheroidal graphite jar and carry out ball milling, ball milling is 5 hours in the alcohol medium, and material ball ratio is 2:1, and the alcohol powder quality is than being 4:1, and drum's speed of rotation is 50 commentaries on classics/min;
E. ball milling is good powder carries out granulation in drying in oven with powder, crosses 40 mesh sieves;
F. the powder after the granulation is dry-pressing formed, depress to the sheet sample in the 200MPa isostatic cool pressing subsequently;
G. said sample is placed in the molybdenum wire furnace, under the normal pressure reducing atmosphere, carries out sintering; Sintering range is 1600～1700 ℃, and sintering time is 40 ~ 45 hours, the final Tm:Y that obtains densification 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Preceding oneself states, and trial-production can be according to this crystalline ceramics molecular formula: Y 2-2x-2yLa 2xTm 2yO 3, and making x=0.01～0.20, y=0.005 ~ 0.10 can be according to trial-production with x, and the y scope is carried out the combination modulation of series, and for example: fixing x=0.10 can be its y value respectively: y=0.04; Y=0.02; Y=0.06; Y=0.08; Y=0.10; Y=0.01; Y=0.005 or the like
And for example: x=0.08, y=0.02; Y=0.05; As working as: x=0.05, y=0.02; Y=0.04 or the like
Equally: x=0.01, y=0.02; Y=0.05; X=0.20, y=0.02; Y=0.01; Y=0.07 or the like
So own x=0.01～0.20 in this molecular formula of the present invention; Shown in y=0.005 ~ 0.10 and specialized related invention technology, and institute's phasing pass category, and if the simulation of no normal reason; Or analogy; Or extend, promptly shown to relate to institute's phasing pass or similar molecular formula category in the embodied technique of the present invention, also can belong to present technique invention protection authority.
Description of drawings
Fig. 1 ,Mix Tm 3+(ordinate is transmitance-% to the optical transmission spectra of lanthanum yttrium oxide laser transparent ceramic, and X-coordinate is a wavelength-nm)
Fig. 2 mixes Tm 3+(ordinate is a fluorescence intensity to the emmission spectrum of lanthanum yttrium oxide laser transparent ceramic, and X-coordinate is a wavelength-nm).
Embodiment
Embodiments of the invention are narrated according to the order of sequence as follows
Embodiment 1
In the present embodiment, Tm is mixed in preparation 3+The concrete process step of lanthanum yttrium oxide laser transparent ceramic is following:
A. adopt high-purity homemade 99.99% Tm 2O 3, 99.99% La 2O 3And 99.99%Y 2O 3Nano powder is a raw material, and three's quality proportioning is pressed chemical molecular formula Y 2-2x-2yLa 2xTm 2yO 3, the x=0.10 in the formula, y=0.04; The molar content of each composition is respectively: Tm 2O 3=0.04mol, La 2O 3=0.10mol, Y 2O 3=0.86mol;
B. by said ratio weighing Tm 2O 3, La 2O 3And Y 2O 3Powder is put into ball grinder and is carried out ball milling, compound ball milling 5 hours in the alcohol medium, and material ball ratio is 2:1, and the alcohol powder quality is than being 4:1, and drum's speed of rotation is 50 commentaries on classics/min;
C. ball milling is good powder is put into baking oven, and oven dry is calcined powder mix in retort furnace at a certain temperature, 1200 ℃ of insulation 10h, naturally cooling;
D. once more powder is put into ball grinder and carry out ball milling, ball milling is 5 hours in the alcohol medium, and material ball ratio is 2:1, and the alcohol powder quality is than being 4:1, and drum's speed of rotation is 50 commentaries on classics/min;
E. ball milling is good powder carries out granulation in drying in oven with powder, crosses 40 mesh sieves;
F. the powder after the granulation is dry-pressing formed, depress to the sheet sample in the 200MPa isostatic cool pressing subsequently;
G. said sample is placed in the molybdenum wire furnace, under the normal pressure reducing atmosphere, carries out sintering; Sintering temperature is 1680 ℃, and sintering time is 45 hours, the Tm that mixes that finally prepares densification and have favorable optical performance 3+The lanthanum yttrium oxide transparent pottery.
Embodiment 2
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.10 in the formula, y=0.02; The molar content of each composition is respectively: Tm 2O 3=0.02mol, La 2O 3=0.10mol, Y 2O 3=0.88mol; 1680 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 3
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.10 in the formula, y=0.06; The molar content of each composition is respectively: Tm 2O 3=0.06mol, La 2O 3=0.10mol, Y 2O 3=0.84mol; 1680 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 4
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.10 in the formula, y=0.08; The molar content of each composition is respectively: Tm 2O 3=0.08mol, La 2O 3=0.10mol, Y 2O 3=0.82mol; 1680 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 5
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.10 in the formula, y=0.10; The molar content of each composition is respectively: Tm 2O 3=0.10mol, La 2O 3=0.10mol, Y 2O 3=0.80mol; 1680 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 6
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.10 in the formula, y=0.01; The molar content of each composition is respectively: Tm 2O 3=0.01mol, La 2O 3=0.10mol, Y 2O 3=0.89mol; 1680 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 7
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.08 in the formula, y=0.02; The molar content of each composition is respectively: Tm 2O 3=0.02mol, La 2O 3=0.08mol, Y 2O 3=0.90mol; 1680 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 8
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.08 in the formula, y=0.05; The molar content of each composition is respectively: Tm 2O 3=0.05mol, La 2O 3=0.08mol, Y 2O 3=0.87mol; 1680 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 9
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.05 in the formula, y=0.02; The molar content of each composition is respectively: Tm 2O 3=0.02mol, La 2O 3=0.05mol, Y 2O 3=0.93mol; 1680 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 10
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.05 in the formula, y=0.04; The molar content of each composition is respectively: Tm 2O 3=0.04mol, La 2O 3=0.05mol, Y 2O 3=0.91mol; 1680 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 11
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.01 in the formula, y=0.02; The molar content of each composition is respectively: Tm 2O 3=0.02mol, La 2O 3=0.01mol, Y 2O 3=0.97mol; 1680 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 12
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.10 in the formula, y=0.05; The molar content of each composition is respectively: Tm 2O 3=0.05mol, La 2O 3=0.10mol, Y 2O 3=0.85mol; 1640 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 13
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.10 in the formula, y=0.01; The molar content of each composition is respectively: Tm 2O 3=0.01mol, La 2O 3=0.10mol, Y 2O 3=0.89mol; 1640 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 14
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.20 in the formula, y=0.02; The molar content of each composition is respectively: Tm 2O 3=0.02mol, La 2O 3=0.20mol, Y 2O 3=0.78mol; 1680 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 15
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.20 in the formula, y=0.01; The molar content of each composition is respectively: Tm 2O 3=0.01mol, La 2O 3=0.20mol, Y 2O 3=0.79mol; 1640 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 16
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.20 in the formula, y=0.07; The molar content of each composition is respectively: Tm 2O 3=0.07mol, La 2O 3=0.20mol, Y 2O 3=0.73mol; 1680 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 17
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.20 in the formula, y=0.09; The molar content of each composition is respectively: Tm 2O 3=0.09mol, La 2O 3=0.20mol, Y 2O 3=0.71mol; 1680 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 18
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.10 in the formula, y=0.005; The molar content of each composition is respectively: Tm 2O 3=0.005mol, La 2O 3=0.10mol, Y 2O 3=0.895mol; 1640 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
Embodiment 19
The process step of present embodiment and the foregoing description 1 are identical, and that different is Y 2-2x-2yLa 2xTm 2yO 3X=0.10 in the formula, y=0.01; The molar content of each composition is respectively: Tm 2O 3=0.01mol, La 2O 3=0.10mol, Y 2O 3=0.89mol; 1700 ℃ of sintering temperatures, soaking time 45h obtains fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics.
By above-mentioned examples preparation fine and close Tm:Y 2-2xLa 2xO 3(be Y 2-2x-2yLa 2xTm 2yO 3) crystalline ceramics, have the good optical performance.Material preparation process of the present invention is simple, and low cost of manufacture helps industrial scale production.The optical transmission spectra of crystalline ceramics sample adopts the V-570 type UV/VIS/NIR spectrophotometer of Japanese JASCO company to test; As shown in Figure 1; Absorption peak is obvious near can finding its 800nm; Near 2 μ m, higher transmittance is arranged, LD (semiconductor laser) can be directly as pumping source.(Trix-550, Jobin Yvon Spex France) detect emmission spectrum, and be as shown in Figure 2, can find near 2 μ m, to have the emission band of a broad, and the strongest emission peak is positioned at the 1931nm place, and test result is all explained and mixed Tm through fluorescence spectrum analyzer 3+The lanthanum yttrium oxide transparent pottery is expected to become a kind of 2 μ m laser working medium materials.

Claims (2)

1.一种掺Tm3+氧化镧钇激光透明陶瓷材料的制备方法，其特征在于该激光透明陶瓷具有以下的制备工艺过程： 1. a preparation method of doping Tm 3+ lanthanum oxide laser transparent ceramic material, it is characterized in that this laser transparent ceramic has following preparation process: a.采用高纯国产99.99% Tm2O3、99.99% La2O3和99.99%Y2O3纳米粉为原料，三者的摩尔配比按化学分子式Y2-2x-2yLa2xTm2yO3，式中的x=0.01～0.20，y=0.005~0.10； a. Using high-purity domestic 99.99% Tm 2 O 3 , 99.99% La 2 O 3 and 99.99% Y 2 O 3 nano powder as raw materials, the molar ratio of the three is according to the chemical formula Y 2-2x-2y La 2x Tm 2y O 3 , where x=0.01~0.20, y=0.005~0.10; b.将按上述配比配制好的Y2-2x-2yLa2xTm2yO3混合粉料放入球磨罐中进行球磨，混合粉料在酒精介质中球磨5小时，料球比为2:1，酒精粉体质量比为4:1，球磨机转速为50 r/min； b. Put the Y 2-2x-2y La 2x Tm 2y O 3 mixed powder prepared according to the above ratio into a ball mill tank for ball milling, and ball mill the mixed powder in an alcohol medium for 5 hours, and the material-ball ratio is 2: 1. The mass ratio of alcohol powder to body is 4:1, and the rotational speed of the ball mill is 50 r/min; c.将球磨好的粉体在烘箱内烘干，然后将混合粉在马弗炉中进行煅烧，1200℃保温10小时，自然冷却，得到Tm:Y2-2xLa2xO3(即Y2-2x-2yLa2xTm2yO3)粉体; c. Dry the ball-milled powder in an oven, then calcinate the mixed powder in a muffle furnace, heat it at 1200°C for 10 hours, and cool it naturally to obtain Tm:Y 2-2x La 2x O 3 (that is, Y 2 -2x-2y La 2x Tm 2y O 3 ) powder; d.再次将粉体放入球墨罐中进行球磨，在酒精介质中球磨5小时，料球比为2:1，酒精粉体质量比为4:1，球磨机转速为50 r/min； d. Put the powder into the ball ink tank again for ball milling, and ball mill in alcohol medium for 5 hours, the ratio of material to ball is 2:1, the mass ratio of alcohol powder is 4:1, and the speed of ball mill is 50 r/min; e.将球磨好的粉体在烘箱内烘干，将粉料进行造粒，过40目筛； e. Dry the ball-milled powder in an oven, granulate the powder, and pass through a 40-mesh sieve; f.将造粒后的粉料干压成型，然后在冷等静压200MPa条件下压成片状试样； f. Dry press the granulated powder, and then press it into a sheet sample under the condition of cold isostatic pressing 200MPa; g.将上述试样放在硅钼丝炉中，在常压还原气氛下进行烧结；烧结温度范围为1700～1800℃，烧结时间为40~45小时，最终获得致密的Tm:Y2-2xLa2xO3（即Y2-2x-2yLa2xTm2yO3）透明陶瓷。 g. Put the above sample in a silicon-molybdenum wire furnace, and sinter it under normal pressure reducing atmosphere; the sintering temperature range is 1700-1800°C, and the sintering time is 40-45 hours, and finally a dense Tm:Y 2-2x is obtained La 2x O 3 (ie Y 2-2x-2y La 2x Tm 2y O 3 ) transparent ceramics. 2.根据权利要求1的一种掺Tm3+氧化镧钇激光透明陶瓷材料的制备方法，其特征在于按化学分子式Y2-2x-2yLa2xTm2yO3，式中的x=0.01～0.20，y=0.005~0.10；可依据试制将x，y范围进行系列组合调制： 固定x=0.10，使其y值分别可为： y=0.04 ； y=0.02； y=0.06； y=0.08；y=0.10； y=0.01；y=0.005等等； 又如：x=0.08，y=0.02； y=0.05；如当：x=0.05，y=0.02； y=0.04 等等；同样：x=0.01，y=0.02； y=0.05； 或当x=0.20，y=0.02； y=0.01； y=0.07等等，表明了涉及本发明具体化技术中，所定相关或相似的分子式调制范畴归属本特征。 2. according to a kind of preparation method of doping Tm 3+ lanthanum oxide laser transparent ceramic material according to claim 1, it is characterized in that according to chemical molecular formula Y 2-2x-2y La 2x Tm 2y O 3 , x=0.01～ 0.20, y=0.005~0.10; according to the trial production, the range of x and y can be combined and modulated in series: fix x=0.10, so that the y values can be: y=0.04; y=0.02; y=0.06; y=0.08; y=0.10; y=0.01; y=0.005 and so on; another example: x=0.08, y=0.02; y=0.05; such as: x=0.05, y=0.02; y=0.04 and so on; the same: x= 0.01, y=0.02; y=0.05; or when x=0.20, y=0.02; y=0.01; y=0.07, etc., it shows that related or similar molecular formula modulation categories related to the embodiment of the present invention belong to this feature.
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