High-precision Z-block optical filter gluing technology

Abstract

The invention provides a high-precision Z-block optical filter, which is used for refracting optical signals transmitted by an optical fiber. The optical filter comprises a first surface and a second surface which are oppositely arranged. The first surface is provided with an anti-reflection film used for increasing the transmittance of optical signals and interference fringes of observation light. The anti-reflection film is arranged on the Z-block optical filter and enhances transmission of optical signals. Meanwhile, thin film interference can be carried out on emergent light on the anti-reflection film, and interference fringes, namely Newton rings, are generated on the anti-reflection film. When the interference fringes are parallel, it can be judged that the film is perpendicular to the optical signal transmission direction. When the interference fringes are not relatively parallel, the emergent light can be parallel by adjusting the position of the optical filter. Meanwhile, the emergent light parallelism can be measured more conveniently, and the convenience is improved. A wavelength division multiplexer is used for separately transmitting optical signals with different wavelengths, and is characterized by comprising the high-precision Z-block optical filter.

Description

technical field [0001] The invention relates to the field of optical fiber transmission devices, in particular to a high-precision Z-block optical filter and a wavelength division multiplexer. Background technique [0002] With the improvement of material living standards, people's demand for information consumption is also growing. In order to provide services with high information capacity, communication operators have put forward higher and higher requirements on the transmission capacity of optical fiber communication systems. [0003] For existing wavelength division multiplexers, the optical film layer on the optical filter of the Z-block tends to protrude, which affects the parallel transmission of light and affects the transmission of optical signals. Contents of the invention [0004] In order to overcome the existing wavelength division multiplexer, wherein the optical film layer on the Z-block optical filter is easy to protrude, which affects the parallel trans...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the existing wavelength division multiplexer, wherein the optical film layer on the Z-block optical filter is easy to protrude, which affects the parallel transmission of light and the technical problem of affecting the transmission of optical signals, the present invention provides a high-precision Z-block filter and a wavelength division multiplexer

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