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Praseodymium samarium thulium-codoped visible laser crystal material preparation method

A laser crystal and co-doping technology, applied in the growth of polycrystalline materials, lasers, crystals, etc., can solve the problems of low repetition frequency, low slope efficiency, difficult to achieve high repetition frequency, high power rate laser output, etc. The effect of high fluorescence efficiency and simple preparation process

Inactive Publication Date: 2018-07-10
无锡佶达德光电子技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Although erbium lasers have achieved considerable development after decades, there are generally problems in laser operation such as high threshold, low repetition rate, low slope efficiency, and limited output power. It is difficult to achieve high repetition frequency and high power rate laser output, which limits application of laser

Method used

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  • Praseodymium samarium thulium-codoped visible laser crystal material preparation method
  • Praseodymium samarium thulium-codoped visible laser crystal material preparation method

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Experimental program
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Embodiment 1

[0029] Praseodymium samarium thulium co-doped visible laser crystal material, its chemical formula is: Gd 3-x-y-z SM x PR y T m z sc 2 Ga 3 o 12 ; where x=0.20, y=0.10, z=0.20.

[0030] The preparation method of the praseodymium samarium thulium co-doped visible laser crystal material comprises the following steps:

[0031] (1) Ingredients: according to chemical formula Gd 3-x-y-z SM x PR y T m z sc 2 Ga 3 o 12 Will Gd 2 o 3 、Pr 2 o 3 、Sm 2 o 3 、Tm 2 o 3 、Sc 2 o 3 , Ga 2 o 3 The powder is evenly mixed after weighing according to the molar ratio, and pressed into blocks;

[0032] (2) Sintering: put the block in step (1) into the first crucible, place the first crucible in a sintering furnace, and sinter at 1165°C; the first crucible is an alumina crucible;

[0033] (3) Crystal growth: the sintered material in step (2) is loaded into the second crucible, and the second crucible is placed in the single crystal furnace, and the air in the single crystal f...

Embodiment 2

[0037] Praseodymium samarium thulium co-doped visible laser crystal material, its chemical formula is: Gd 3-x-y-z SM x PR y T m z sc 2 Ga 3 o 12 ; where x=0.3, y=0.05, z=0.23.

[0038] The preparation method of the praseodymium samarium thulium co-doped visible laser crystal material comprises the following steps:

[0039] (1) Ingredients: according to chemical formula Gd 3-x-y-z SM x PR y T m z sc 2 Ga 3 o12 Will Gd 2 o 3 、Pr 2 o 3 、Sm 2 o 3 、Tm 2 o 3 、Sc 2 o 3 , Ga 2 o 3 The powder is evenly mixed after weighing according to the molar ratio, and pressed into blocks;

[0040] (2) Sintering: put the block in step (1) into the first crucible, place the first crucible in a sintering furnace, and sinter at 1150° C.; the first crucible is an alumina crucible;

[0041] (3) Crystal growth: the sintered material in step (2) is loaded into the second crucible, and the second crucible is placed in the single crystal furnace, and the air in the single crystal fu...

Embodiment 3

[0045] Praseodymium samarium thulium co-doped visible laser crystal material, its chemical formula is: Gd 3-x-y-z SM x PR y T m z sc 2 Ga 3 o 12 ; where x=0.1, y=0.15, z=0.15.

[0046] The preparation method of the praseodymium samarium thulium co-doped visible laser crystal material comprises the following steps:

[0047] (1) Ingredients: according to chemical formula Gd 3-x-y-z SM x PR y T m z sc 2 Ga 3 o 12 Will Gd 2 o 3 、Pr 2 o 3 、Sm 2 o 3 、Tm 2 o 3 、Sc 2 o 3 , Ga 2 o 3 The powder is evenly mixed after weighing according to the molar ratio, and pressed into blocks;

[0048] (2) Sintering: put the block in step (1) into the first crucible, place the first crucible in a sintering furnace, and sinter at 1180°C; the first crucible is an alumina crucible;

[0049] (3) Crystal growth: the sintered material in step (2) is loaded into the second crucible, and the second crucible is placed in the single crystal furnace, and the air in the single crystal fu...

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Abstract

The invention provides a praseodymium samarium thulium-codoped visible laser crystal material preparation method. The method comprises the following steps: burdening, sintering, crystal growing, and cooling and the like. A chemical formula of a praseodymium samarium thulium-codoped visible laser crystal material is Gd3-x-y-zSmxPryTmzSc2Ga3O12; wherein x is greater than or equal to 0.1 and less than or equal to 0.3, y is greater than or equal to 0.05 and less than or equal to 0.15, and z is greater than or equal to 0.15 and less than or equal to 0.23. The praseodymium samarium thulium-codoped visible laser crystal has the advantages that preparation technology is simple, fluorescence efficiency is high, output time is fast, fluorescence efficiency is high, and yellow laser output is realized.

Description

technical field [0001] The invention belongs to the field of laser materials, in particular to a method for preparing a visible laser crystal material co-doped with praseodymium, samarium and thulium. Background technique [0002] Laser crystals are crystal materials that can convert energy provided by the outside world into highly parallel and monochromatic lasers that are coherent in space and time through optical resonators, and are the working substances of crystal lasers. The laser crystal consists of two parts, the luminescent center and the matrix crystal. The luminescent center of most laser crystals is composed of active ions, and the active ions partially replace the cations in the host crystal to form doped laser crystals. When the activated ions become part of the host crystal components, a self-activated laser crystal is formed. [0003] In the research of lasers in the visible band, red, green, and blue primary color laser outputs have been obtained through f...

Claims

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Application Information

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IPC IPC(8): C30B29/28C30B15/00H01S3/16
CPCC30B29/28C30B15/00H01S3/1603H01S3/1641
Inventor 陆知纬
Owner 无锡佶达德光电子技术有限公司
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