Wavelength lock and wavelength locking device with same
A technology of wavelength locking and optical splitter, which is applied in the field of optical communication, can solve the problem of less filtering functions and achieve the effect of novel structure
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[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0020] Such as figure 2 Shown is a wavelength locker provided by the present invention, which includes a first beam splitter, an air-gap F-P etalon, a second beam splitter, a first detector, a second detector, the first beam splitter, The air-gap F-P etalon is connected to the second optical splitter in sequence, and is located on the input-output optical path, and the first detector and the second detector are correspondingly connected to the first optical splitter and the second optical splitter. An output light surface of the first beam splitter, and an input light surface of the second beam splitter opposite to the output light surface of the first beam splitter are coated with a partial reflection film, and the output light surface and The input light surface is located on two parallel planes to form the air-gap F-P etalon.
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