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3 mu m rare earth ion doped bismuth-germinate laser glass and preparation method thereof

A technology of bismuth germanate and laser glass, which is applied in the field of bismuth germanate laser glass and its preparation, to achieve the effect of good infrared transmission ability and uniform physical and chemical properties

Inactive Publication Date: 2012-09-19
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are few reports about the 3μm output of bismuth germanate glass at home and abroad.

Method used

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  • 3 mu m rare earth ion doped bismuth-germinate laser glass and preparation method thereof
  • 3 mu m rare earth ion doped bismuth-germinate laser glass and preparation method thereof
  • 3 mu m rare earth ion doped bismuth-germinate laser glass and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Composition is as shown in 1# in table 1, and concrete preparation process is as follows:

[0024] According to the molar percentage of the 1# glass composition in Table 1, calculate and weigh the weight of each composition, weigh each raw material and mix them evenly; put the mixture into a corundum crucible and place it on a silicon carbide rod at 1050°C~1100°C Melt in an electric furnace, clarify for 15 minutes after complete melting, and pour the molten glass on the preheated mold; after a little cooling, quickly move it into a muffle furnace with a temperature of 400 ° C, keep it warm for 3 hours, and then use a temperature of 10 ° C / hour The rate was lowered to room temperature, and the glass sample was taken out after complete cooling.

[0025] The test results for this glass are as follows:

[0026] Take a small sample after annealing, grind it into a fine powder with an agate mortar, and conduct a differential thermal analysis test. The differential thermal...

Embodiment 2

[0029] Composition is as shown in 2# in table 1, and concrete preparation process is as follows:

[0030] According to the molar percentage of the 2# glass composition in Table 1, calculate and weigh the weight of each composition, weigh each raw material and mix evenly; put the mixture into a corundum crucible and place it in a silicon carbide rod electric furnace at 1050°C~1100°C Melt in medium temperature, clarify for 15 minutes after complete melting, pour the molten glass on the preheated mold; after a little cooling, quickly move it into a muffle furnace with a temperature of 400°C, keep it warm for 3 hours, and then drop it at a rate of 10°C / hour Take out the glass sample after cooling completely at room temperature.

[0031] The test results for this glass are as follows:

[0032] Take a small sample after annealing, grind it into a fine powder with an agate mortar, and conduct a differential thermal analysis test.

[0033] The annealed sample was processed into a 10...

Embodiment 3

[0035] Composition is as shown in 3# in table 1, and concrete preparation process is as follows:

[0036] According to the molar percentage of the 3# glass composition in Table 1, calculate and weigh the weight of the corresponding components, weigh each raw material and mix evenly; put the mixture into a corundum crucible and place it in a silicon carbide rod electric furnace at 1050°C~1100°C Melt in medium temperature, clarify for 15 minutes after complete melting, pour the molten glass on the preheated mold; after a little cooling, quickly move it into a muffle furnace with a temperature of 400°C, keep it warm for 3 hours, and then drop it at a rate of 10°C / hour Take out the glass sample after cooling completely at room temperature.

[0037] The test results for this glass are as follows:

[0038] Take a small sample after annealing, grind it into a fine powder with an agate mortar, and conduct a differential thermal analysis test.

[0039] The annealed sample was process...

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Abstract

The invention discloses 3 mu m rare earth ion doped bismuth-germinate laser glass and a preparation method thereof. The glass comprises 32-41mol% of Bi2O3, 40-55mol% of GeO2, 9.25-15.5mol% of R12O (R1 refers to one alkali metal of Li, Na and K) and 3-6mol% of R2F3 (R2 refers to one kind or two kinds of rare earth ions such as Er, Pr, Tm, Nd and Yb). The glass prepared by a melt-quenching method is brilliant yellow in color and uniform in physicochemical property. The glass is stable in thermodynamic property, high in crystallization resistant ability and high in transmissivity at a wave band of 3 mu m. The glass has high 3 mu m fluorescence under a laser diode pump with the wavelength of 980nm and is applicable to preparation and application of optical fiber materials of the 3 mu m rare earth ion doped bismuth-germinate laser glass.

Description

technical field [0001] The invention relates to laser glass, in particular to a 3 μm bismuth germanate laser glass doped with rare earth ions and a preparation method thereof. Background technique [0002] The 3μm band corresponds to the characteristic spectral lines of many important molecules, and is a relatively transparent and important atmospheric window in the air, so it has a wide range of applications in military and civilian applications. Its applications in the military field include laser guidance, infrared ranging and laser targeting. Civilian applications include remote sensing detection, detection of toxic trace gases in the air (such as nitric oxide, carbon monoxide, formaldehyde, hydrogen sulfide, hydrogen bromide and other harmful gases). Therefore, the 3μm mid-infrared laser source has been extensively studied in recent years. [0003] In 1980, Bagdasarov first reported a 100mJ 3μm laser output from erbium-doped yttrium aluminum garnet crystal (YAG). How...

Claims

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Application Information

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IPC IPC(8): C03C3/253C03C4/12
Inventor 赵国营胡丽丽
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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