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Tm/Yb codoped oxyfluoro tellurate glass and its preparation method

An oxyfluorotellurite and glass technology, applied in the field of Tm3+/Yb3+ co-doped oxyfluorotellurite glass and its preparation, can solve problems such as poor chemical stability, achieve low production cost, simple manufacturing process, and improve resistance to The effect of crystallizing ability

Inactive Publication Date: 2005-05-25
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the above-mentioned shortcoming of the prior art, and to provide a Tm 3+ / Yb 3+ Co-doped oxyfluoride tellurate glass and its preparation method, compared with previous up-conversion laser host materials, this kind of material overcomes oxide glass (higher phonon energy) and fluoride glass (poor chemical stability) properties) inherent shortcomings, on the basis of improving the thermal stability and chemical stability of the glass, to greatly increase the Tm 3+ The luminous efficiency provides a suitable host material for blue light up-conversion lasers

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  • Tm/Yb codoped oxyfluoro tellurate glass and its preparation method

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Embodiment Construction

[0029] The present invention will be further described below in combination with specific embodiments.

[0030] First determine the Tm 3+ / Yb 3+ Formulation of co-doped oxyfluorotellurite glasses. See Table 1 for the selection range of the molar (mol%) composition of the glass formulation.

[0031] TeO 2

50～70

B 2 o 3

0～5

PbF 2

5～20

ZnF 2

10～25

WO 3

2.95～7.99

T m 2 o 3

0.01～1.0

Yb 2 o 3

1～5

[0032] Table 2 has listed the Tm of 7 specific examples 3+ / Yb 3+ Co-doped oxyfluorotellurite glass formulation.

[0033] glass component

No. 1

2nd

No. 3

No. 4

number 5

number 6

No. 7

TeO 2

70

65

60

50

50

50

50

B 2 o 3

0

0

4.95

5

5

5

5

PbF 2

10

20

5

10

10

10

10...

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Abstract

A Tm3+ / Yb3+ codoped oxyfluorotellurate glass with high up-conversion power to strong blue light is prepared by fusion method. It contains TeO2, B2O3, PbF2, WO3, ZnF2, Tm2O3 and Yb2O3 proportionally. Its advantages are high transparency, excellent physical and chemical properties, and strong blue light converting power.

Description

technical field [0001] The present invention relates to a Tm 3+ / Yb 3+ Co-doped oxyfluorine tellurate glass and its preparation method. It is a high-efficiency blue light up-conversion material. Background technique [0002] Blue-green light band laser has a wide range of application value in high-density data storage, submarine communication, large-screen display, detection, especially laser medical treatment and other fields. Especially in optical storage devices, since the amount of information stored in the optical disc is a function of the square of the reciprocal of the laser wavelength of the "read-write head", if a short-wavelength blue laser is used to replace the red-light "read-write head", it can significantly increase the optical capacity of the optical disc. storage density, thereby greatly increasing the capacity of the disc. According to reports, Taro Takamine, a spokesman for Japan's Sony Corporation, said that the company has developed a new optical dis...

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Application Information

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IPC IPC(8): C03C3/15C03C3/247
CPCC03C3/23
Inventor 汪国年张军杰戴世勋姜中宏
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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