CN105970293B - It is a kind of using four gadolinium molydbate barium as the laser material and its preparation method and application of host doped Rare earth element ytterbium neodymium - Google Patents
It is a kind of using four gadolinium molydbate barium as the laser material and its preparation method and application of host doped Rare earth element ytterbium neodymium Download PDFInfo
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- C—CHEMISTRY; METALLURGY
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- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
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- C30B29/32—Titanates; Germanates; Molybdates; Tungstates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1611—Solid materials characterised by an active (lasing) ion rare earth neodymium
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- H—ELECTRICITY
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
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- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1618—Solid materials characterised by an active (lasing) ion rare earth ytterbium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
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- H01S3/16—Solid materials
- H01S3/163—Solid materials characterised by a crystal matrix
- H01S3/1675—Solid materials characterised by a crystal matrix titanate, germanate, molybdate, tungstate
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Abstract
The invention belongs to laser material preparing technical fields, disclose a kind of using four gadolinium molydbate barium as the laser material and its preparation method and application of host doped Rare earth element ytterbium neodymium.The chemical formula of the laser material is BaYb2xNd2yGd2(1‑x‑y)(MoO4)4, wherein 0≤x≤0.1,0.01≤y≤0.1.The present invention also provides a kind of methods for utilizing high temperature solid phase synthesis and Czochralski method that monocrystalline laser material is prepared.808nm laser excitations can be used in the laser material of the present invention, and 880nm laser excitations are good with thermal stability, and the characteristics such as absorption efficiency height can be used for 1 μm of ultrafast laser material.The present invention is prepared using four gadolinium molydbate barium as matrix using Czochralski method, and preparation method is simple for this, can be by the way that suitable lifting program, stringent heat-insulation system is arranged, and fine operating process obtain four gadolinium molydbate barium laser materials.
Description
Technical field
The invention belongs to laser material preparing technical fields, more particularly to one kind is using four gadolinium molydbate barium as host doped rare earth
The laser material and its preparation method and application of element ytterbium neodymium.
Background technology
The laser crystal of rear-earth-doped highly disordered structure is due to its distinctive spectrum property, for laser and spectroscopy mould
It is a kind of good gain media for the simple crystal and glass of type.In the research of oxide laser crystal, for having
The class scheelite type BR of highly disordered property structure2(MoO4)4The research of material have great importance.Have a large amount of sections at present
It grinds personnel and extensive research has been carried out to the laser crystal of rear-earth-doped ytterbium, and the research of wherein rear-earth-doped molybdate laser crystal
Have become the hot spot studied now.But it is relatively fewer for the research for mixing four molybdate of ytterbium.For using rare earth neodymium element to ytterbium
The research for carrying out the molybdate crystal of quick grey hair light is relatively less.
Class scheelite type BR2(MoO4)4The crystal of class doping with rare-earth ions is that research microchip laser and ultrafast laser export
Optional material is a kind of good convenient pumping source.When this rear-earth-doped crystalloid, the quantum loss of rare earth element can be made to subtract
It is small, faint fuel factor is only generated, the continuous laser output being suitble under high power.For the laser crystal that neodymium ytterbium is co-doped with, tool
There are higher absorption and transmitted bandwidth, is more suitable for the continuous output of laser under high power.Yb3+Ion is Solid Laser Elements
Main active ions have weaker concentration quenching effect, for being applied to high activation concentration to fully absorb pump
The micro-chip laser device of Pu light has more advantage.Nd3+Ion pair Yb3+Ion have stronger sensibilization, it can be absorbed and
Transmitted bandwidth carries out a degree of broadening, and the bandwidth after broadening is more suitable for the output of the continuous laser under high power.At present for
The research that ytterbium neodymium adulterates four bismuth molybdate potassium crystal had had report, but studied it still immature, only had studied above-mentioned crystalline substance
The effect of energy level transition between body ytterbium neodymium, and BR2(MoO4)4Structure has more randomness in contrast, and practicability is stronger.
Invention content
In order to overcome the shortcomings and deficiencies of the prior art described above, the primary purpose of the present invention is that providing one kind with four molybdic acids
Gadolinium barium is the laser material of host doped Rare earth element ytterbium neodymium.
Another object of the present invention is to provide a kind of above-mentioned swashing using four gadolinium molydbate barium as host doped Rare earth element ytterbium neodymium
The preparation method of luminescent material.
Still a further object of the present invention is to provide above-mentioned using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium
The application of material.
The purpose of the present invention is realized by following proposal：
It is a kind of using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium, chemical formula is
BaYb2xNd2yGd2(1-x-y)(MoO4)4, wherein 0≤x≤0.1,0.01≤y≤0.1.
The present invention has higher fusing point by the laser material of host doped Rare earth element ytterbium neodymium of four gadolinium molydbate barium,
There is characteristic absorpting spectrum between 400~1100nm, major absorbance peak is at 976nm, 880nm, 808nm, in 808nm laser excitations
Under, when 850~1440nm of wave-length coverage, there are multiple stronger fluorescence peaks, peak value in 885nm, 913nm, 1013nm,
Fluorescence intensity at 1061nm, 1337nm, and at 1013nm is significantly larger than other positions.Corresponding to energy level transition is4F3/2→4I9/2,4F5/2→4I9/2,2F5/2→2F7/2,4F3/2→4I11/2,4F3/2→4I13/2。
The present invention also provides a kind of above-mentioned using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium
Preparation method specifically includes following steps：
According to chemical formula BaYb2xNd2yGd2(1-x-y)(MoO4)4Mole atom than weigh BaCO3、Gd2O3、Yb2O3、MoO3、
Nd2O3As raw material, by high temperature solid phase synthesis, synthesis obtains four gadolinium molydbate barium polycrystalline fluorescent materials of doping ytterbium neodymium, then
By Czochralski method, obtain monocrystalline using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium.The material
Material is monocrystal material.
The high temperature solid phase synthesis specifically includes following steps：Uniform, the tabletting by the raw material mixed grinding, at high temperature
Reason, after being cooled to room temperature, regrinding is not necessarily to tabletting, and secondary high-temperature processing repeats aforesaid operations, handled by multiple high temp
Afterwards, four gadolinium molydbate barium polycrystalline materials of doping ytterbium neodymium are obtained.
The heating schedule of the high-temperature process is：700~850 DEG C are risen to the heating rate of 100~800 DEG C/h, is protected
Temperature 3~for 24 hours, 900~1050 DEG C then are warming up to 50~100 DEG C/h again, 24~48h Isothermal sinters is kept the temperature, cools down after sintering
To room temperature, temperature fall time is 15~30h.The heating schedule of the high-temperature process is both preferably：With the heating rate liter of 100 DEG C/h
To 800 DEG C, 8h is kept the temperature, is then warming up to 1000 DEG C again with 100 DEG C/h, 32h Isothermal sinters is kept the temperature, 50 DEG C is cooled to after sintering,
Temperature fall time is 15h.
High-temperature process twice or more than twice is preferably carried out in the high temperature solid phase synthesis.
The Czochralski method specifically includes following steps：To adulterating four gadolinium molydbate barium polycrystalline fluorescent materials one of ytterbium neodymium
Secondary heating and thermal insulation, then reheating melting, using Czochralski Czochralski method, the pulling single crystal from above-mentioned molten liquid obtains
To monocrystalline using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium.
The primary heating heat preservation, which refers to, is first heated to 750~850 DEG C, keeps the temperature 0.5~5h.The rate of heat addition be 350~
800℃/h。
Further, the primary heating heat preservation, which preferably refers to, is first heated to 750 DEG C, keeps the temperature 0.5h.The rate of heat addition is excellent
It is selected as 350 DEG C/h.
The Czochralski Czochralski method refers to be lifted by trying the processes such as crystalline substance, necking down, shouldering, isometrical, ending.
The present invention it is above-mentioned using four gadolinium molydbate barium be in the laser material of host doped Rare earth element ytterbium neodymium its preparation process instead
Answer equation as follows：
BaCO3+(1-x-y)Gd2O3+x Yb2O3+y Nd2O3+MoO3→
BaYb2xNd2yGd2(1-x-y)(MoO4)4+CO2↑
The present invention's has good thermostabilization by the laser material of host doped Rare earth element ytterbium neodymium of four gadolinium molydbate barium
Property, absorption efficiency is high, can be applied in the fields such as laser optics and spectroscopy.
The present invention's 808nm laser can be used to swash by the laser material of host doped Rare earth element ytterbium neodymium of four gadolinium molydbate barium
Hair, 880nm laser excitations are good with thermal stability, and the characteristics such as absorption efficiency height can be used for 1 μm of ultrafast laser material.This hair
Bright to be prepared using Czochralski method using four gadolinium molydbate barium as matrix, preparation method is simple for this, can suitably be carried by setting
Program, stringent heat-insulation system, fine operating process is drawn to obtain four gadolinium molydbate barium laser materials, can be used for studying microchip laser
It is a kind of good convenient pumping source with the optional material of ultrafast laser output.It is a kind of good in laser optics and spectroscopy
Good gain media.
The present invention compared with the existing technology, has the following advantages and advantageous effect：
1, of the invention using four gadolinium molydbate barium as in the laser material of host doped Rare earth element ytterbium neodymium, due to Yb3+Energy level
Absorption and cross-relaxation phenomenon simple in structure so as to avoid excited level, upconversion mechanism.
2, of the invention using four gadolinium molydbate barium is the fluorescence spectrum of the laser material of host doped Rare earth element ytterbium neodymium 860
Within the scope of~1440nm, two major absorbance peaks are near 808nm and 880nm.Its matrix is four gadolinium molydbate barium, wherein (MoO4
)2-The exciting light near 280nm can be absorbed, and transfers energy to Nd3+Ion, Nd3+Ion is Yb3+Ion is effectively quick
Agent transfers energy to Yb3+Ion increases Yb3+The transmitting of ion and Absorber Bandwidth.
3, due to the highly disordered property of matrix, Yb when diode laser pumped is used3+Ion has longer fluorescence lifetime,
Therefore it will obtain higher energy storage efficiency.And there is a degree of broadening to its Absorption and emission spectra.
Description of the drawings
Fig. 1 is the different monocrystalline and slice map of the doping ratio that is obtained using Czochralski method.Wherein, 1 and a is respectively
1%Nd3+10%Yb3+The monocrystalline and slice of BGM；2 and b is respectively 5%Nd3+10%Yb3+The monocrystalline and slice of BGM；3 and c distinguishes
For 10%Nd3+10%Yb3+The monocrystalline and slice of BGM.
Fig. 2 is the X ray diffracting spectrum and PDF standard card PDF#36-0192 comparison diagrams of different doping ratio monocrystalline.Its
In, 1 is 1%Nd3+10%Yb3+BGM；2 be 5%Nd3+10%Yb3+BGM；3 be 10%Nd3+10%Yb3+BGM。
Fig. 3 is 5%Nd3+10%Yb3+The monocrystalline TG/DSC collection of illustrative plates of BGM.
Fig. 4 is different doping ratio monocrystalline fluorescence spectra within the scope of 860~1440nm under laser excitation, wherein
It is the characteristic fluorescence peak of Yb at 1013nm, there is higher intensity, the characteristic fluorescence peak for being Nd at 1061nm, 1337nm.
Specific implementation mode
With reference to embodiment and attached drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
The reagent used in the following example can be obtained from commercial channel.
Embodiment 1：Using four gadolinium molydbate barium as the preparation of the laser material of host doped Rare earth element ytterbium neodymium
According to meeting chemical formula BaYb2xNd2yGd2(1-x-y)(MoO4)4Mole atom ratio x=0.1, y=0.01 claims respectively
It is 99.99% BaCO to take purity3、Gd2O3、Yb2O3、MoO3、Nd2O3, add up to 250g as raw material.Above-mentioned raw materials are placed in agate
By grinding repeatedly in Nao mortars, tabletting uniformly is carried out after mixing, raw material is put into corundum boat after tabletting, is placed in high temperature furnace
Thorax.Temperature in burner hearth is risen to 800 DEG C with the heating rate of 100 DEG C/h, in this temperature 8h, then again with 100 DEG C/h liters
Temperature keeps the temperature 32h to 1000 DEG C, and Isothermal sinter starts to cool down after sintering with constant speed, until 50 DEG C, temperature fall time 15h,
Raw material grinding is fine after reacting, and without tabletting, is sintered again with above-mentioned heat preservation program, and it is anti-so to pass through 3~5 high temperature solid-states
It should obtain four gadolinium molydbate barium polycrystal powders.Four gadolinium molydbate barium polycrystal are placed in platinum crucible, are put in single crystal pulling stove, to list
It is filled with nitrogen protection after crystalline substance lifting stove evacuation, will lift in-furnace temperature with 350 DEG C/h heating rates is warming up to 750 DEG C, heat preservation
0.5h, artificial slowly heating make raw material in crucible all melt.Brilliant, 847 DEG C of necking downs by 850 DEG C of examinations, 10 DEG C/h shouldering, 833
DEG C isometrical, 855 DEG C of epilogs, it is isometrical during pull rate be 0.5mm/h, obtain dilute as host doped using four gadolinium molydbate barium
The laser material of earth elements ytterbium neodymium, is named as 1%Nd3+10%Yb3+BGM。
Embodiment 2：Using four gadolinium molydbate barium as the preparation of the laser material of host doped Rare earth element ytterbium neodymium
According to meeting chemical formula BaYb2xNd2yGd2(1-x-y)(MoO4)4Mole atom ratio x=0.1, y=0.05 claims respectively
It is 99.99% BaCO to take purity3、Gd2O3、Yb2O3、MoO3、Nd2O3, add up to 250g as raw material.Above-mentioned raw materials are placed in agate
By grinding repeatedly in Nao mortars, tabletting uniformly is carried out after mixing, raw material is put into corundum boat after tabletting, is placed in high temperature furnace
Thorax.Temperature in burner hearth is risen to 800 DEG C with the heating rate of 100 DEG C/h, in this temperature 8h, then again with 100 DEG C/h liters
Temperature keeps the temperature 32h to 1000 DEG C, and Isothermal sinter starts to cool down after sintering with constant speed, until 50 DEG C, temperature fall time 15h,
Raw material grinding is fine after reacting, and without tabletting, is sintered again with above-mentioned heat preservation program, and it is anti-so to pass through 3~5 high temperature solid-states
It should obtain four gadolinium molydbate barium polycrystal powders.Four gadolinium molydbate barium polycrystal are placed in platinum crucible, are put in single crystal pulling stove, to list
It is filled with nitrogen protection after crystalline substance lifting stove evacuation, will lift in-furnace temperature with 350 DEG C/h heating rates is warming up to 750 DEG C, heat preservation
0.5h, artificial slowly heating make raw material in crucible all melt.Brilliant, 847 DEG C of necking downs by 850 DEG C of examinations, 10 DEG C/h shouldering, 833
DEG C isometrical, 855 DEG C of epilogs, it is isometrical during pull rate be 0.5mm/h, obtain dilute as host doped using four gadolinium molydbate barium
The laser material of earth elements ytterbium neodymium, is named as 5%Nd3+10%Yb3+BGM。
Embodiment 3：Using four gadolinium molydbate barium as the preparation of the laser material of host doped Rare earth element ytterbium neodymium
According to meeting chemical formula BaYb2xNd2yGd2(1-x-y)(MoO4)4Mole atom ratio x=0.1, y=0.1 weighs respectively
The BaCO that purity is 99.99%3、Gd2O3、Yb2O3、MoO3、Nd2O3, add up to 250g as raw material.Above-mentioned raw materials are placed in agate
By grinding repeatedly in mortar, tabletting uniformly is carried out after mixing, raw material is put into corundum boat after tabletting, is placed in high-temperature burner hearth.
Temperature in burner hearth is risen to 800 DEG C with the heating rate of 100 DEG C/h, in this temperature 8h, is then warming up to again with 100 DEG C/h
1000 DEG C, 32h is kept the temperature, Isothermal sinter starts to cool down after sintering with constant speed, until 50 DEG C, temperature fall time 15h, it will be anti-
Raw material grinding is fine after answering, and without tabletting, is sintered with above-mentioned heat preservation program, is so obtained by 3~5 high temperature solid state reactions again
To four gadolinium molydbate barium polycrystal powders.Four gadolinium molydbate barium polycrystal are placed in platinum crucible, is put in single crystal pulling stove, monocrystalline is carried
It is filled with nitrogen protection after drawing stove evacuation, 750 DEG C is warming up to by in-furnace temperature is lifted with 350 DEG C/h heating rates, keeps the temperature 0.5h,
Artificial slowly heating makes raw material in crucible all melt.Brilliant, 847 DEG C of necking downs by 850 DEG C of examinations, 10 DEG C/h shouldering, 833 DEG C etc.
Diameter, 855 DEG C of epilogs, isometrical pull rate in the process is 0.5mm/h, is obtained using four gadolinium molydbate barium as host doped rare earth member
The laser material of plain ytterbium neodymium, is named as 10%Nd3+10%Yb3+BGM。
Embodiment 4：Using four gadolinium molydbate barium as the characterization of the laser material of host doped Rare earth element ytterbium neodymium
To Examples 1 to 3 be prepared using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium into
Row correlated performance characterizes, and monocrystalline and slice map are shown in that Fig. 1, X ray diffracting spectrum are shown in that Fig. 2, TG/DSC collection of illustrative plates are shown in Fig. 3, fluorescence spectrum
Figure is shown in Fig. 4.As seen from the figure, the three kinds of ytterbium neodymiums grown adulterate four gadolinium molydbate crystal of barium Dark Clear shape crystal, X-ray diffractogram
Spectrum matches with standard PDF#36-0192, and matching degree is higher.By analyzing its Tg-DSC collection of illustrative plates, there is single melt
Point, and do not occur thermal weight loss phenomenon under hot conditions.Its fluorescence spectra under 808nm laser excitations at 1013nm and
There is stronger fluorescence peak at 1061nm, and the fluorescence intensity at 1013nm is higher than at 1061nm.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (9)
1. a kind of using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium, it is characterised in that its chemical formula is
BaYb2xNd2yGd2(1-x-y)(MoO4)4, wherein 0≤x≤0.1,0.01≤y≤0.1；
The laser material is by including the following steps that method is prepared：
According to the chemical formula BaYb2xNd2yGd2(1-x-y)(MoO4)4Mole atom than weigh BaCO3、Gd2O3、Yb2O3、MoO3、
Nd2O3As raw material, by high temperature solid phase synthesis, synthesis obtains four gadolinium molydbate barium polycrystalline fluorescent materials of doping ytterbium neodymium, then
By Czochralski method, obtain monocrystalline using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium.
2. according to claim 1 using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium, feature
It is that it has characteristic absorpting spectrum between 400~1100nm, absorption peak is at 976nm, 880nm, 808nm, in 808nm laser
Under excitation, when 850~1440nm of wave-length coverage, there are multiple fluorescence peaks, peak value in 885nm, 913nm, 1013nm, 1061nm,
At 1337nm.
3. according to claim 1 using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium, feature
It is：The high temperature solid phase synthesis specifically includes following steps：Uniform, the tabletting by the raw material mixed grinding, high-temperature process,
After being cooled to room temperature, regrinding is not necessarily to tabletting, and secondary high-temperature processing repeats aforesaid operations, after multiple high temp is handled,
Obtain four gadolinium molydbate barium polycrystalline materials of doping ytterbium neodymium.
4. according to claim 3 using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium, feature
It is：The heating schedule of the high-temperature process is：700~850 DEG C are risen to the heating rate of 100~800 DEG C/h, heat preservation 3
~for 24 hours, 900~1050 DEG C then are warming up to 50~100 DEG C/h again, 24~48h Isothermal sinters is kept the temperature, room is cooled to after sintering
Temperature, temperature fall time are 15~30h.
5. according to claim 3 using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium, feature
It is：The heating schedule of the high-temperature process is：Rise to 800 DEG C with the heating rate of 100 DEG C/h, keep the temperature 8h, then again with
100 DEG C/h is warming up to 1000 DEG C, keeps the temperature 32h Isothermal sinters, 50 DEG C is cooled to after sintering, temperature fall time 15h.
6. according to claim 1 using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium, feature
It is：The Czochralski method specifically includes following steps：It is primary to the four gadolinium molydbate barium polycrystalline fluorescent materials for adulterating ytterbium neodymium
Heating and thermal insulation, then reheating melting, using Czochralski Czochralski method, the pulling single crystal from above-mentioned molten liquid obtains
Monocrystalline using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium.
7. according to claim 6 using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium, feature
It is：The primary heating heat preservation, which refers to, is first heated to 750~850 DEG C, keeps the temperature 0.5~5h；The rate of heat addition is 350~800
℃/h。
8. according to claim 6 using four gadolinium molydbate barium as the laser material of host doped Rare earth element ytterbium neodymium, feature
It is：The primary heating heat preservation, which refers to, is first heated to 750 DEG C, keeps the temperature 0.5h；The rate of heat addition is 350 DEG C/h.
9. using four gadolinium molydbate barium it is the laser material of host doped Rare earth element ytterbium neodymium in laser optics according to claim 1
With the application in field of spectroscopy.
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| CN201610345797.8A CN105970293B (en) | 2016-05-20 | 2016-05-20 | It is a kind of using four gadolinium molydbate barium as the laser material and its preparation method and application of host doped Rare earth element ytterbium neodymium |
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| CN101037802A (en) * | 2006-03-17 | 2007-09-19 | 中国科学院福建物质结构研究所 | Yttrium neodymium gadolinium barium molybdate doped laser crystal and preparation method and usage thereof |
| CN101503823A (en) * | 2009-01-22 | 2009-08-12 | 暨南大学 | Ytterbium-doped four-molybdenum potassium/sodium bismuth tungstate laser crystal, and growth method and use thereof |
| CN102877132A (en) * | 2012-10-22 | 2013-01-16 | 中国科学院福建物质结构研究所 | Ytterbium-doped molybdic acid gadolinium barium potassium laser crystal and preparation method thereof |
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| CN101037802A (en) * | 2006-03-17 | 2007-09-19 | 中国科学院福建物质结构研究所 | Yttrium neodymium gadolinium barium molybdate doped laser crystal and preparation method and usage thereof |
| CN101503823A (en) * | 2009-01-22 | 2009-08-12 | 暨南大学 | Ytterbium-doped four-molybdenum potassium/sodium bismuth tungstate laser crystal, and growth method and use thereof |
| CN102877132A (en) * | 2012-10-22 | 2013-01-16 | 中国科学院福建物质结构研究所 | Ytterbium-doped molybdic acid gadolinium barium potassium laser crystal and preparation method thereof |
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