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1. (WO2014201992) OPTICAL PATH PROCESSING METHOD AND APPARATUS

Pub. No.:    WO/2014/201992    International Application No.:    PCT/CN2014/080070
Publication Date: Thu Dec 25 00:59:59 CET 2014 International Filing Date: Wed Jun 18 01:59:59 CEST 2014
IPC: G02B 6/293
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
华为技术有限公司
Inventors: LIU, Xishe
刘西社
WANG, Shijun
王世军
LIU, Heyuan
刘和元
XIAO, Zhiyong
肖志勇
Title: OPTICAL PATH PROCESSING METHOD AND APPARATUS
Abstract:
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.