Optical fiber raster tubular temp. compensation packaging structure
2005
An optical fiber raster tubular temperature compensation packaging structure comprises an inner sleeve and an outer sleeve with small expansion coefficients and a connecting tube with large expansion coefficient, wherein, the connecting tube with large expansion coefficient is arranged between the inner sleeve and the outer sleeve, and a raster is bonded to at both sides of the inner sleeve and the outer sleeve; in the course of application, when the temperature rises, the inner part of the packaging structure deforms, and the stress fluctuation of the optical fiber decreases. At this moment, the moving direction of the drift Delta Lambda s arising from the stress fluctuation is opposite to the moving direction of the drift Delta Lambda T arising from the temperature increase. Through appropriate design, the moving ranges can be made equal, thus maintaining stable wavelength in the center of the raster. The utility model provides a miniaturized optical fiber raster tubular temperature compensation packaging structure which is simple in structure and easy to package.
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