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Refractive index matching liquid

A technology of refractive index matching liquid and refractive index, which is applied in the direction of testing optical properties, phase influence characteristic measurement, etc., can solve the problems of high price, high cost of use, complex composition, etc., and achieve simple production, low cost, and small surface tension. Effect

Active Publication Date: 2013-12-25
广东瑞芯源技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the refractive index matching liquids used in my country are imported from the United States, with complex components, and the price is about 300 yuan per bottle (7.4cc per bottle), which is expensive and expensive to use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0024] The preparation of the refractive index matching liquid is as follows: mixing the polyethylene glycol and the diluent in parts by weight, and stirring at normal temperature until fully mixed to obtain the product. The stirring time is determined according to the actual situation, such as 5 minutes. If there are air bubbles in the prepared refractive index matching liquid, further defoaming treatment is performed on the prepared refractive index matching liquid, so as to prevent light from being blocked by air bubbles in the refractive index matching liquid and reduce the probability of light passing through. The defoaming treatment may adopt the following method: put the refractive index matching liquid in a vacuum container, and perform vacuuming to remove air bubbles. In the defoaming treatment, the obtained refractive index matching liquid can also be left to stand until the air bubbles dissipate, and the standing time is determined according to the actual time for t...

Embodiment 1-8

[0031] The raw materials were taken according to the parts by weight listed in Table 1 to prepare a refractive index matching liquid, and the refractive index of the refractive index matching liquid was measured at 25° C. at a wavelength of 1550 nm.

[0032] Table 1. The parts by weight of each raw material of Examples 1-8 and the refractive index of the obtained refractive index matching liquid

[0033]

[0034]

[0035] The refractive index curve of the refractive index matching liquid that embodiment 1-4 obtains is as follows figure 1 As shown, where linear fitting is used: y=0.081x+1.363, R 2 =0.999. The refractive index curve of the refractive index matching liquid that embodiment 5-8 obtains is as follows figure 2 As shown, where linear fitting is used: y=0.016x+1.429, R 2 =0.984. From figure 1 , 2 It can be drawn that the refractive index of the refractive index matching liquid increases with the increase of the weight fraction of polyethylene glycol, and t...

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Abstract

The invention discloses refractive index matching liquid which includes the following raw materials, by weight, 1-99.9 parts of polyethylene glycol and 0.1-99 parts of diluent or emulgator. According to the refractive index matching liquid, the polyethylene glycol is used as base solution and mixed with the diluent or the emulgator to prepare the refractive index matching liquid. The refractive index matching liquid is low in cost, easy to manufacture, good in stability and fluidity, small in surface tension and good in using effect.

Description

technical field [0001] The invention relates to a refraction fluid, in particular to a refractive index matching fluid. Background technique [0002] In various optical-related detections, it is often necessary to add a refractive index matching liquid between two optical devices to eliminate the influence of the joint interface on the optical performance. Taking the field of optical communication as an example, the development of my country's broadband access and fiber-to-the-home in recent years has led to a sharp increase in the demand for planar optical waveguide chip products. Planar optical waveguide is a technology that uses the optical refractive index of different substances to create optical waveguide channels on the wafer plane, and completes the specific optical communication functions that can only be realized by multiple single optical devices in the past. When testing a planar optical waveguide chip, the chip will be connected to other optical devices such as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M11/02G01N21/41
Inventor 符志成郭新胜丘仲宇杨志富石建东
Owner 广东瑞芯源技术有限公司