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Packaging method and structure of adjustable chromatic dispersion compensation device

A compensation device and packaging structure technology, applied in the coupling of optical waveguides, light guides, optics, etc., can solve the problem of high cost of fiber grating manufacturing, and achieve the effects of unaffected insertion loss, convenient assembly, and flexible adjustment.

Active Publication Date: 2013-08-14
O NET COMM (SHENZHEN) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the use of fiber gratings to compensate for dispersion can only be compensated for specific wavelengths and specific dispersion values, and the manufacturing cost of fiber gratings is also relatively expensive

Method used

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  • Packaging method and structure of adjustable chromatic dispersion compensation device
  • Packaging method and structure of adjustable chromatic dispersion compensation device
  • Packaging method and structure of adjustable chromatic dispersion compensation device

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Experimental program
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Embodiment Construction

[0017] The present invention will be further described below in conjunction with accompanying drawing.

[0018] Such as figure 1 with figure 2 As shown, the tunable dispersion compensation device 10 includes a collimator 20 and an interference cavity 30, the collimator 20 includes a double fiber ferrule 21 and a lens 22,

[0019] It also includes a first packaging cap 41 and a first packaging base 42. The first packaging cap 41 and the first packaging base 42 encapsulate the lens 22 and the interference cavity 30 in the first packaging cap 41 and the first packaging base 42. In the cavity 43 formed by the package base 42 . Wherein, the first packaging cap 41 includes a lens packaging hole 411, the lens 22 is inserted into the lens packaging hole 411 and packaged in the first packaging cap 41 by low-temperature glass solder, and the spherical surface 221 of the lens 22 is placed in the cavity In the body 43, the first packaging cap 41 is made of glass material.

[0020] Th...

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PUM

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Abstract

The invention provides a packaging method of an adjustable chromatic dispersion compensation device. The method is characterized in that firstly, an interference cavity with a temperature control device is attached and placed in a second glass sleeve, and the second glass sleeve is fixed on a first packaging base; secondly, a lens is fixed in a first packaging cap; and thirdly, the first packaging base and the first packaging cap are sealed to form a cavity to seal the interference cavity, the temperature control device and the lens in the cavity. According to the packaging method, the first packaging cap provided with the lens and the first packaging base are sealed through hot seam sealing, and the lens, the interference cavity and the temperature control device are packed into the sealed cavity with dry air, so that the required chromatic dispersion compensation amount can be flexibly adjusted, the assembly is convenient, and the insertion loss is free from influence of temperature change.

Description

technical field [0001] The invention relates to a packaging method and structure of a tunable dispersion compensating device, in particular to a method and a structure conducive to the packaging of the tunable dispersion compensating device. Background technique [0002] Optical fiber communication technology is developing more and more rapidly under the condition of increasing bandwidth demand. Various information with high speed and large capacity are transmitted in the same optical fiber through light of different wavelengths. Each light carrying information has its own different wavelength. All the light is mixed together to form an optical signal and transmitted in the optical fiber. The light of different wavelengths is transmitted at its own different speed. The transmission speed of light with a large wavelength is greater than that of a light with a short wavelength. For light, when the transmission distance is long, this speed difference will cause dispersion of th...

Claims

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Application Information

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IPC IPC(8): G02B6/32G02B6/293
Inventor 王则钦曾昭锋黄曙亮于滨
Owner O NET COMM (SHENZHEN) LTD