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Preparation method of low-temperature germanium dioxide-organic modified silicate composite material with improved optical third-order nonlinear quality factor

A technology of third-order nonlinearity and quality factor, which is applied in nonlinear optics, optics, instruments, etc., can solve problems affecting the characteristics of thin-film waveguides, etc., achieve excellent third-order nonlinear quality factor, simple process requirements, and realize integration Effect

Inactive Publication Date: 2016-06-29
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In contrast, pure inorganic oxide glass materials require high-temperature heat treatment, and the thickness of the single-layer film is usually less than 0.2 microns. Therefore, to obtain a waveguide film with sufficient thickness for application, multiple coatings are the only way to choose, but between the film layers The interface will definitely affect the film waveguide characteristics

Method used

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  • Preparation method of low-temperature germanium dioxide-organic modified silicate composite material with improved optical third-order nonlinear quality factor
  • Preparation method of low-temperature germanium dioxide-organic modified silicate composite material with improved optical third-order nonlinear quality factor
  • Preparation method of low-temperature germanium dioxide-organic modified silicate composite material with improved optical third-order nonlinear quality factor

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Experimental program
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Effect test

Embodiment 1

[0019] 1) First mix 1 mole of γ-(2,3 glycidoxy)propyltrimethoxysilane, 3 moles of ethanol and 4 moles of deionized water, and then add 0.01 moles of 37% hydrochloric acid was continuously stirred as solution A;

[0020] 1 mole of germanium isopropoxide and 4 moles of 2-methoxyethanol were mixed and stirred continuously as solution B;

[0021] 2) Then, mix solution A and solution B at a molar ratio of 4:1 and stir to obtain a low-temperature organic-inorganic composite matrix mother liquor uniformly containing silicon germanium;

[0022] 3) Add 0.5% by weight of small disperse red molecules to the low-temperature organic-inorganic composite matrix mother liquor, and stir evenly at room temperature to obtain a spare suspension;

[0023] 4) Deposit the above-obtained suspension on a glass slide at a rotational speed of 3,000 revolutions per minute by using a spin coating process, and then treat the deposited film sample at 45°C for 20 minutes to obtain a single layer with A low...

Embodiment 2

[0025] 1) First mix 1 mole of γ-(2,3 glycidoxy)propyltrimethoxysilane, 5 moles of ethanol and 3 moles of deionized water, and then add 0.01 moles of 37% hydrochloric acid was continuously stirred as solution A;

[0026] 1 mole of germanium isopropoxide and 5 moles of 2-methoxyethanol were mixed and stirred continuously as solution B;

[0027] 2) Then, mix solution A and solution B at a molar ratio of 4:1 and stir to obtain a low-temperature organic-inorganic composite matrix mother liquor uniformly containing silicon germanium;

[0028] 3) Add 1% by weight of small disperse red molecules to the low-temperature organic-inorganic composite matrix mother liquor, and stir evenly at room temperature to obtain a spare suspension;

[0029] 4) Deposit the above-obtained suspension on a glass slide at a rotational speed of 3,300 revolutions per minute by using a spin coating process, and then treat the deposited film sample at 48°C for 17 minutes to obtain a monolayer Moreover, the s...

Embodiment 3

[0031] 1) First mix 1 mole of γ-(2,3 glycidoxy)propyltrimethoxysilane, 6 moles of ethanol and 6 moles of deionized water, and then add 0.01 moles of 37% hydrochloric acid was continuously stirred as solution A;

[0032] 1 mole of germanium isopropoxide and 6 moles of 2-methoxyethanol were mixed and stirred continuously as solution B;

[0033] 2) Then, mix solution A and solution B at a molar ratio of 4:1 and stir to obtain a low-temperature organic-inorganic composite matrix mother liquor uniformly containing silicon germanium;

[0034] 3) Add 1.5% of its weight of small disperse red molecules into the low-temperature organic-inorganic composite matrix mother liquor, and stir evenly at room temperature to obtain a spare suspension;

[0035] 4) Deposit the above-obtained suspension on a glass slide at a rotational speed of 3,700 rpm by using a spin coating process, and then treat the deposited film sample at 52°C for 13 minutes to obtain a monolayer Moreover, the surface is s...

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Abstract

Provided is a preparation method for a low-temperature germanium dioxide-organic modified silicate composite material capable of improving an optical three-order non-linear quality factor. An improved sol-gel technology and a spin coating technology are utilized to dope optical function dye having three-order non-linear characteristics, and an optical function film having more excellent characteristics is obtained. A host material has the good three-order non-linear characteristics under excitation of 532nm wavelength laser, namely the host material is high in three-order non-linear refractive index and negligible three-order non-linear absorption and is a good three-order non-linear optics application host material, and the whole material obtains more excellent three-order non-linear characteristics under the excitation of the 532nm wavelength laser after doping, namely the material has a better quality factor than the dye and is a good alternative host material for achieving all-optical transmission, all-optical communication and an all-optical computer.

Description

technical field [0001] The invention relates to a preparation method of a low-temperature organic-inorganic composite optoelectronic material, in particular to a low-temperature germanium dioxide-organic modification with improved optical third-order nonlinear quality factor for all-optical transmission, all-optical communication and all-optical computer Preparation method of silicate composite material. technical background [0002] In recent years, organic-inorganic composite materials based on organically modified silicates have been studied and proved to be of great value in the field of integrated optics applications, which is mainly due to the addition of functional groups of organic molecules that can be doped, and the addition of organic- The organic molecules in the inorganic composite structure can fill the pores in the inorganic oxide chains, making the material denser. In contrast, pure inorganic oxide glass materials require high-temperature heat treatment, and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/355
Inventor 阙文修高恬溪
Owner XI AN JIAOTONG UNIV
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