CN1313403C - Light-amplified erbium ytterbium co-doped multi-component oxide glass and preparation method thereof - Google Patents
Light-amplified erbium ytterbium co-doped multi-component oxide glass and preparation method thereof Download PDFInfo
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- KWMNWMQPPKKDII-UHFFFAOYSA-N erbium ytterbium Chemical compound [Er].[Yb] KWMNWMQPPKKDII-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000000075 oxide glass Substances 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 230000003321 amplification Effects 0.000 claims abstract description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 abstract description 49
- 230000003287 optical effect Effects 0.000 abstract description 20
- 230000008018 melting Effects 0.000 abstract description 14
- 238000002844 melting Methods 0.000 abstract description 14
- 229910018068 Li 2 O Inorganic materials 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 9
- 229910018072 Al 2 O 3 Inorganic materials 0.000 abstract description 8
- 238000004891 communication Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 239000005304 optical glass Substances 0.000 abstract description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000013307 optical fiber Substances 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000001228 spectrum Methods 0.000 abstract description 4
- 230000009477 glass transition Effects 0.000 abstract description 3
- 229910052697 platinum Inorganic materials 0.000 abstract description 3
- 229910052769 Ytterbium Inorganic materials 0.000 abstract description 2
- 238000011161 development Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 9
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 7
- 239000000835 fiber Substances 0.000 description 5
- 238000000295 emission spectrum Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- 229910052691 Erbium Inorganic materials 0.000 description 2
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002419 bulk glass Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000004031 devitrification Methods 0.000 description 2
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910016569 AlF 3 Inorganic materials 0.000 description 1
- 229910016036 BaF 2 Inorganic materials 0.000 description 1
- 229910017768 LaF 3 Inorganic materials 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- -1 erbium ions Chemical class 0.000 description 1
- VQCBHWLJZDBHOS-UHFFFAOYSA-N erbium(III) oxide Inorganic materials O=[Er]O[Er]=O VQCBHWLJZDBHOS-UHFFFAOYSA-N 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- XHGGEBRKUWZHEK-UHFFFAOYSA-L tellurate Chemical compound [O-][Te]([O-])(=O)=O XHGGEBRKUWZHEK-UHFFFAOYSA-L 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
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Abstract
一种光放大用铒镱共掺多组份氧化物玻璃，其组成包括SiO2、Al2O3、Li2O、Yb2O3、Er2O3、B2O3、Na2O、K2O、CaO、BaO、ZnO、MgO等。该光放大用玻璃的制备方法是把原料加入坩埚中，进行熔化，得到玻璃液，加入铂坩埚中，再用光学玻璃熔制法使其熔融、澄清、均化。本发明解决了背景技术中光纤放大器增益带宽窄，玻璃转变温度低，热稳定性和化学稳定性较差，制备工艺复杂的技术问题。本发明的铒镱共掺多组份氧化物光学玻璃能提供高达60nm的增益带宽和更为平坦的增益谱，具有良好的化学稳定性和热稳定性，可完全满足当前光通讯发展信息传输容量急剧膨胀的需要，且制备工艺简单，成本低。
An erbium-ytterbium co-doped multi-component oxide glass for optical amplification, the composition of which includes SiO 2 , Al 2 O 3 , Li 2 O, Yb 2 O 3 , Er 2 O 3 , B 2 O 3 , Na 2 O, K 2 O, CaO, BaO, ZnO, MgO, etc. The preparation method of the glass for optical amplification is that raw materials are added into a crucible and melted to obtain glass liquid, which is added into a platinum crucible, and then melted, clarified and homogenized by an optical glass melting method. The invention solves the technical problems of narrow gain bandwidth of the optical fiber amplifier, low glass transition temperature, poor thermal stability and chemical stability and complicated preparation process in the background technology. The erbium-ytterbium co-doped multi-component oxide optical glass of the present invention can provide a gain bandwidth up to 60nm and a flatter gain spectrum, has good chemical stability and thermal stability, and can fully meet the information transmission capacity of current optical communication development Rapid expansion is required, and the preparation process is simple and the cost is low.
Description
技术领域technical field
本发明涉及一种光放大用铒镱共掺多组份氧化物光学玻璃及其制备方法，该玻璃可用于第三光通讯窗口即1.55～1.65μm波段的宽带光放大器玻璃。The invention relates to an erbium-ytterbium co-doped multi-component oxide optical glass for optical amplification and a preparation method thereof. The glass can be used for the third optical communication window, that is, the broadband optical amplifier glass in the 1.55-1.65 μm band.
背景技术Background technique
掺铒光纤放大器(EDFA)被广泛应用于光通讯领域1550nm波段光信号的放大，其中光放大介质为掺杂有铒离子的光纤。然而，随着不断发展的通讯服务需求的增加，因特网信息传输容量的迅速增加，光纤骨干网和光城域网的信息传输容量急剧膨胀，当前的波分复用(WDM)通讯系统难以适应这种需求，密集波分复用(DWDM)通讯系统应运而生，目前实际系统中由于采用的掺铒光纤放大器EDFA多为石英基质掺铒光纤放大器，其增益谱形状非常尖锐，且所能获得的净增益带宽1530～1565nm窄到只有35nm左右，严重制约了密集波分复用(DWDM)通讯系统传输系统的信道数。Erbium-doped fiber amplifier (EDFA) is widely used in the optical communication field to amplify optical signals in the 1550nm band, wherein the optical amplification medium is an optical fiber doped with erbium ions. However, with the increasing demand for communication services and the rapid increase of Internet information transmission capacity, the information transmission capacity of optical fiber backbone network and optical metropolitan area network is rapidly expanding. The current wavelength division multiplexing (WDM) communication system is difficult to adapt to this demand, Dense Wavelength Division Multiplexing (DWDM) communication system came into being. At present, the erbium-doped fiber amplifier EDFA used in the actual system is mostly a quartz matrix erbium-doped fiber amplifier, and its gain spectrum shape is very sharp, and the net The gain bandwidth of 1530-1565nm is as narrow as only about 35nm, which seriously restricts the number of channels of the dense wavelength division multiplexing (DWDM) communication system transmission system.
如果掺铒光纤放大器EDFA在更宽的波长范围内能实现更为平坦的增益，则可拓宽可用的信号波长，增大传输容量。为此，人们把不同增益波长范围的光放大器级联起来，但是，这种结构非常复杂，而且在各增益中心波长的边缘无法实现光信号的放大。因此，人们一直致力于研究宽带平坦增益光放大器玻璃材料，当前使用最好的光放大器材料为由ZBLAN(ZrF3-BaF2-LaF3-AlF3-NaF)玻璃制成的光纤，但其价格昂贵，且制备工艺复杂，其玻璃转变温度比碲酸盐玻璃、铋酸盐玻璃还要低，热稳定性差。If the erbium-doped fiber amplifier EDFA can achieve a flatter gain in a wider wavelength range, the available signal wavelength can be broadened and the transmission capacity can be increased. For this reason, people cascade optical amplifiers with different gain wavelength ranges, but this structure is very complicated, and the amplification of optical signals cannot be realized at the edge of each gain center wavelength. Therefore, people have been working on the study of broadband flat gain optical amplifier glass materials. Currently, the best optical amplifier material is an optical fiber made of ZBLAN (ZrF 3 -BaF 2 -LaF 3 -AlF 3 -NaF) glass, but its price It is expensive, and the preparation process is complicated. Its glass transition temperature is lower than that of tellurate glass and bismuth glass, and its thermal stability is poor.
发明内容Contents of the invention
本发明解决了背景技术中光纤放大器增益带宽窄，玻璃转变温度低，热稳定性和化学稳定性较差，制备工艺复杂的技术问题。The invention solves the technical problems of narrow gain bandwidth of the optical fiber amplifier, low glass transition temperature, poor thermal stability and chemical stability and complicated preparation process in the background technology.
本发明的技术解决方案是：Technical solution of the present invention is:
一种光放大用铒镱共掺多组份氧化物玻璃，其特殊之处在于：该铒镱共掺多组份氧化物玻璃的摩尔百分比组成如下An erbium-ytterbium co-doped multi-component oxide glass for optical amplification, which is special in that the mole percentage composition of the erbium-ytterbium co-doped multi-component oxide glass is as follows
SiO2 20～80
B2O3 0～40B 2 O 3 0～40
Al2O3 3～20Al 2 O 3 3～20
Li2O 1～20 Li2O 1～20
Na2O 0～20 Na2O 0～20
K2O 0～20K 2 O 0～20
CaO 0～10CaO 0～10
BaO 0～10BaO 0～10
ZnO 0～10ZnO 0～10
MgO 0～10MgO 0～10
Er2O3 0.01～10Er 2 O 3 0.01～10
Yb2O3 0.1～25Yb 2 O 3 0.1～25
ZrO2 0～5ZrO 2 0～5
Bi2O3 0～10Bi 2 O 3 0～10
La2O3 0～10La 2 O 3 0～10
Y2O3 0～10Y 2 O 3 0～10
上述SiO2和B2O3的总含量以20～85mol％为佳。The total content of the aforementioned SiO 2 and B 2 O 3 is preferably 20-85 mol%.
上述Li2O、Na2O和K2O的总含量以5～25mol％为佳。The total content of the aforementioned Li 2 O, Na 2 O and K 2 O is preferably 5-25 mol%.
上述Bi2O3、La2O3和Y2O3的总含量以0～20％为佳。The total content of the aforementioned Bi 2 O 3 , La 2 O 3 and Y 2 O 3 is preferably 0-20%.
上述铒镱共掺多组份氧化物玻璃的较佳组成为The preferred composition of the above-mentioned erbium-ytterbium co-doped multi-component oxide glass is
SiO2(mol％) 45SiO 2 (mol%) 45
B2O3(mol％) 9B 2 O 3 (mol%) 9
Al2O3(mol％) 12Al 2 O 3 (mol%) 12
Li2O(mol％) 8Li 2 O (mol%) 8
K2O(mol％) 4K 2 O (mol%) 4
CaO(mol％) 6CaO(mol%) 6
ZnO(mol％) 7ZnO(mol%) 7
Yb2O3(mol％) 3Yb 2 O 3 (mol%) 3
ZrO2(mol％) 4ZrO 2 (mol%) 4
Y2O3+Bi2O3(mol％) 2Y 2 O 3 +Bi 2 O 3 (mol%) 2
其与Er2O3的重量百分比为100∶0.25。The weight percentage of it and Er 2 O 3 is 100:0.25.
上述铒镱共掺多组份氧化物玻璃的另一较佳组成为Another preferred composition of the above-mentioned erbium-ytterbium co-doped multi-component oxide glass is
SiO2(mol％) 55SiO 2 (mol%) 55
B2O3(mol％) 8B 2 O 3 (mol%) 8
Al2O3(mol％) 5Al 2 O 3 (mol%) 5
Li2O(mol％) 14Li 2 O (mol%) 14
Na2O(mol％) 2Na 2 O (mol%) 2
K2O(mol％) 2K 2 O(mol%) 2
CaO(mol％) 1CaO(mol%) 1
BaO(mol％) 3BaO(mol%) 3
ZnO(mol％) 2ZnO(mol%) 2
MgO(mol％) 2MgO(mol%) 2
Yb2O3(mol％) 2Yb 2 O 3 (mol%) 2
ZrO2(mol％) 2ZrO 2 (mol%) 2
Y2O3+Bi2O3(mol％) 1Y 2 O 3 +Bi 2 O 3 (mol%) 1
La2O3(mol％) 1La 2 O 3 (mol%) 1
其与Er2O3的重量百分比为100∶0.25。The weight percentage of it and Er 2 O 3 is 100:0.25.
一种制备上述光放大用铒镱共掺多组份氧化物玻璃的方法，其特殊之处在于：该制备方法包括A method for preparing the above-mentioned erbium-ytterbium co-doped multi-component oxide glass for optical amplification, which is special in that: the preparation method includes
1).按组分、配比取原料，把原料加入坩埚中，在1200～1300℃温度下进行熔化，得到玻璃液；1). Take the raw materials according to the composition and ratio, put the raw materials into the crucible, and melt them at a temperature of 1200-1300 ° C to obtain glass liquid;
2).把玻璃液加入铂坩埚中，采用光学玻璃熔制法使其熔融、澄清、均化，熔制温度为1380～1450℃，得均匀玻璃。2). Add the glass liquid into a platinum crucible, and use the optical glass melting method to melt, clarify and homogenize it. The melting temperature is 1380-1450°C to obtain a uniform glass.
上述熔制温度以1420℃为佳。The above-mentioned melting temperature is preferably 1420°C.
上述熔化温度以1250℃为宜。The above-mentioned melting temperature is preferably 1250°C.
上述熔化坩埚可采用石英坩埚或陶瓷坩埚等。The above-mentioned melting crucible can be a quartz crucible or a ceramic crucible.
本发明具有以下优点：The present invention has the following advantages:
本发明的铒镱共掺多组份氧化物光学玻璃能提供高达60nm的增益带宽和更为平坦的增益谱，具有良好的化学稳定性和热稳定性，可完全满足当前光通讯发展信息传输容量急剧膨胀的需要，且制备工艺简单，成本低。The erbium-ytterbium co-doped multi-component oxide optical glass of the present invention can provide a gain bandwidth up to 60nm and a flatter gain spectrum, has good chemical stability and thermal stability, and can fully meet the information transmission capacity of current optical communication development Rapid expansion is required, and the preparation process is simple and the cost is low.
附图说明Description of drawings
图1为本发明玻璃在980nm波长的泵浦光激励下的发射光谱图；Fig. 1 is the emission spectrogram of glass of the present invention under the pumping light excitation of 980nm wavelength;
图2为本发明玻璃的透过率示意图；Fig. 2 is a schematic diagram of the transmittance of the glass of the present invention;
图3为本发明玻璃的吸收系数曲线图。Fig. 3 is a graph showing the absorption coefficient of the glass of the present invention.
具体实施方式Detailed ways
本发明的宽带光放大器用铒镱共掺多组份氧化物玻璃的摩尔百分比组成如下：Broadband optical amplifier of the present invention is composed as follows with the molar percentage of erbium and ytterbium co-doped multi-component oxide glass:
SiO2 20～80SiO 2 20～80
B2O3 0～40(SiO2+B2O3＝20～85％)B 2 O 3 0~40 (SiO 2 +B 2 O 3 =20~85%)
Al2O3 3～20Al 2 O 3 3～20
Li2O 1～20 Li2O 1～20
Na2O 0～20 Na2O 0～20
K2O 0～20(Li2O+Na2O+K2O＝5～25％)K 2 O 0~20 (Li 2 O+Na 2 O+K 2 O=5~25%)
CaO 0～40CaO 0～40
BaO 0～10BaO 0～10
ZnO 0～10ZnO 0～10
MgO 0～10MgO 0～10
Er2O3 0.01～10Er 2 O 3 0.01～10
Yb2O3 0.1～25Yb 2 O 3 0.1～25
ZrO2 0～5ZrO 2 0～5
Bi2O3 0～10Bi 2 O 3 0～10
La2O3 0～10La 2 O 3 0～10
Y2O3 0～10(Bi2O3+La2O3+Y2O3＝0～20％)Y 2 O 3 0～10 (Bi 2 O 3 +La 2 O 3 +Y 2 O 3 =0～20%)
其中，SiO2和B2O3总的含量以20～85mol％为宜；Li2O、Na2O和K2O总的含量以5～25mol％为宜；Bi2O3、La2O3和Y2O3总的含量以0～20％为宜。Among them, the total content of SiO 2 and B 2 O 3 is preferably 20-85 mol %; the total content of Li 2 O, Na 2 O and K 2 O is preferably 5-25 mol %; Bi 2 O 3 , La 2 O The total content of 3 and Y 2 O 3 is preferably 0-20%.
本发明的生产方法：Production method of the present invention:
第一步：按摩尔百分比组成取原料，把原料加入至石英坩埚或陶瓷坩埚中，在1200～1300℃温度下进行熔化，得到玻璃液；The first step: take the raw materials according to the molar percentage composition, add the raw materials into a quartz crucible or a ceramic crucible, and melt them at a temperature of 1200-1300 ° C to obtain glass liquid;
第二步：把玻璃液加入至铂坩埚中，采用光学玻璃熔制法使其熔融、澄清和均化，获得均匀的玻璃。熔制温度可为1380～1450℃，最佳熔制温度为1420℃。Step 2: Add the glass liquid into the platinum crucible, and use the optical glass melting method to melt, clarify and homogenize it to obtain uniform glass. The melting temperature can be 1380-1450°C, and the optimum melting temperature is 1420°C.
SiO2和B2O3作为玻璃网络生成体，其总含量为20～85mol％；SiO2和B2O3的含量低于20mol％，会使玻璃析晶，降低玻璃的化学稳定性，超过85mol％会提高玻璃的高温熔制粘度，使玻璃的熔制困难；同时还会影响其它组分加入到玻璃中。B2O3的含量超过15mol％，会降低玻璃的化学稳定性。SiO 2 and B 2 O 3 are used as glass network generators, and their total content is 20-85 mol%. If the content of SiO 2 and B 2 O 3 is less than 20 mol%, it will devitrify the glass and reduce the chemical stability of the glass. 85mol% will increase the high-temperature melting viscosity of the glass, making it difficult to melt the glass; meanwhile, it will also affect the addition of other components into the glass. If the content of B 2 O 3 exceeds 15 mol%, the chemical stability of the glass will be reduced.
Li2O的加入可以提高Er3+的溶解率，使光信号达到一定增益所需的介质长度很短，这对于实现光放大器的小型化极为有利。但Li2O的含量不能超过20mol％，否则会使玻璃易于失透，缩小玻璃的形成范围。The addition of Li 2 O can increase the dissolution rate of Er 3+ , so that the length of the medium required for the optical signal to achieve a certain gain is very short, which is extremely beneficial for realizing the miniaturization of the optical amplifier. However, the content of Li 2 O cannot exceed 20 mol%, otherwise the glass will be prone to devitrification and the glass formation range will be reduced.
Na2O和K2O的加入有利于扩大玻璃的形成区，便于玻璃在较低的温度下进行熔制。The addition of Na 2 O and K 2 O is beneficial to expand the glass forming area and facilitate the glass to be melted at a lower temperature.
Li2O、Na2O和K2O的总含量为5～25mol％，低于5mol％会使玻璃的熔制温度偏高，增加玻璃熔制的难度，超过25mol％会降低玻璃的化学稳定性。The total content of Li 2 O, Na 2 O and K 2 O is 5-25mol%. If it is less than 5mol%, the melting temperature of the glass will be high, which will increase the difficulty of glass melting. If it exceeds 25mol%, the chemical stability of the glass will be reduced. sex.
二价金属氧化物CaO、BaO、ZnO和MgO的加入用于调整玻璃的折射率及热膨胀系数，提高玻璃的化学稳定性和机械加工性能。The addition of divalent metal oxides CaO, BaO, ZnO and MgO is used to adjust the refractive index and thermal expansion coefficient of the glass, and improve the chemical stability and mechanical processing performance of the glass.
加入Al2O3可以改变Er3+周围的配位场结构，使Er3+在1.5μm发射谱的宽度增加。因此本玻璃中必须含有足够高含量的Al2O3，但含量不能超过20mol％，否则会增加玻璃的粘度，使玻璃熔制和成型困难。The addition of Al 2 O 3 can change the structure of the ligand field around Er 3+ and increase the width of the emission spectrum of Er 3+ at 1.5 μm. Therefore, the glass must contain a sufficiently high content of Al 2 O 3 , but the content cannot exceed 20 mol%, otherwise the viscosity of the glass will be increased, making it difficult to melt and shape the glass.
Yb2O3作为敏化剂，增强Er3+在980nm波段的吸收，使Er3+能充分吸收泵浦光的能量，提高Er3+在1.55μm波段的发光效率，但Yb2O3的含量不能超过25mol％，否则会使玻璃易于失透。Yb 2 O 3 acts as a sensitizer to enhance the absorption of Er 3+ in the 980nm band, so that Er 3+ can fully absorb the energy of the pump light, and improve the luminous efficiency of Er 3+ in the 1.55μm band, but Yb 2 O 3 The content cannot exceed 25mol%, otherwise the glass will be prone to devitrification.
适当加入ZrO2可以有效地提高玻璃的化学稳定性，扩大玻璃的形成范围，但不能超过5mol％，否则会使玻璃易于析晶，对拉纤不利。Appropriate addition of ZrO 2 can effectively improve the chemical stability of the glass and expand the range of glass formation, but it should not exceed 5 mol%, otherwise the glass will be prone to crystallization, which is not good for fiber drawing.
适当加入La2O3、Y2O3和/或Bi2O3作可以改善玻璃的熔制性能，扩大玻璃的形成范围，但不能超过20mol％，否则会使玻璃易于析晶；同时有利于增大带宽。Appropriate addition of La 2 O 3 , Y 2 O 3 and/or Bi 2 O 3 can improve the melting performance of glass and expand the range of glass formation, but it should not exceed 20mol%, otherwise the glass will be prone to crystallization; Increase bandwidth.
本发明中的掺铒玻璃具有相当宽且平坦的发射谱，如图1所示。虽然玻璃发射谱不同于光纤的增益谱，但是较宽的发射谱有助于产生较大的增益带宽。The erbium-doped glass in the present invention has a rather broad and flat emission spectrum, as shown in FIG. 1 . Although the glass emission spectrum is different from the gain spectrum of fiber, the wider emission spectrum contributes to a larger gain bandwidth.
本发明玻璃的组成实施例及效果参数如下：
其中，例一至例十的掺铒块状玻璃样品成份以摩尔百分比(mol％)表示，其中Er2O3的含量以重量百分比表示，即每100重量单位的掺铒块状玻璃样品成份，含Er2O3的重量。例一至例九为本发明样品，可采用常规的高温熔融方法在1420℃下制备；例十为对照玻璃样品，为商用掺铒石英玻璃，可采用气相沉积方法制备。Wherein, the composition of the erbium-doped bulk glass sample of Example 1 to Example 10 is expressed in mole percent (mol%), wherein the content of Er 2 O 3 is expressed in weight percent, that is, the composition of the erbium-doped bulk glass sample per 100 weight units contains Er2O3 by weight. Examples 1 to 9 are samples of the present invention, which can be prepared by conventional high-temperature melting method at 1420° C.; Example 10 is a control glass sample, which is commercial erbium-doped quartz glass, which can be prepared by vapor deposition.
其中，ρ为密度，单位：g/cm3，采用排水失重法测试；n为1550nm波长的折射率，采用椭偏仪(Ellipsometer)测量；Tg为玻璃的转变温度，单位为℃，采用差热分析仪(DTA)测试；Δλ为增益带宽，单位为nm；λ0为玻璃荧光发射中心波长；玻璃颜色均为玫瑰色。Among them, ρ is the density, unit: g/cm 3 , measured by draining weight loss method; n is the refractive index at 1550nm wavelength, measured by ellipsometer (Ellipsometer); Tg is the transition temperature of glass, unit is ℃, measured by differential thermal Analyzer (DTA) test; Δλ is gain bandwidth, the unit is nm; λ 0 is the center wavelength of glass fluorescence emission; the glass colors are all rose.
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| CN107473579A (en) * | 2017-09-30 | 2017-12-15 | 徐传龙 | A kind of erbium and ytterbium codoping laser prefabricated rods and preparation method thereof |
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| CN111253074A (en) * | 2020-01-21 | 2020-06-09 | 华南师范大学 | Erbium-ytterbium co-doped quartz substrate up-conversion luminescent fiber and preparation method thereof |
| CN111704361B (en) * | 2020-06-08 | 2022-12-20 | 重庆国际复合材料股份有限公司 | High-refractive-index high-performance glass fiber composition, glass fiber and composite material thereof |
| CN112851129B (en) * | 2021-02-06 | 2021-08-31 | 威海长和光导科技有限公司 | Near-infrared band broadband emission rare earth doped bismuthate optical fiber glass and preparation method thereof |
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| US4200467A (en) * | 1977-07-01 | 1980-04-29 | Ernst Leitz Wetzlar Gmbh | Zirconium-containing borosilicate glasses |
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