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|1. (WO2014201992) OPTICAL PATH PROCESSING METHOD AND APPARATUS|
|Applicants:||HUAWEI TECHNOLOGIES CO., LTD.
|Title:||OPTICAL PATH PROCESSING METHOD AND APPARATUS|
An optical path processing method and apparatus. The apparatus comprises: an FA, an LA, an aspherical lens, a filter, and a reflector. The FA comprises a test light channel, the test light channel being used for receiving test light, and inputting the test light to a surface of the filter through the LA and the aspherical lens; the filter is located between the aspherical lens and the reflector and used for transmitting the test light; and a distance between the reflector and a focus of transmitted light of the aspherical lens is less than or equal to a first threshold, and the reflector is used for reflecting test light that is transmitted to the surface of the reflector through the filter, so that reflected light corresponding to the test light passes through the filter, the aspherical lens, and the LA, and is output from a specific channel.