Wavelength and power monitoring device
A monitoring device and wavelength technology, applied in electromagnetic wave transmission systems, electrical components, transmission systems, etc., can solve the problems of inaccurate monitoring wavelengths, inability to channel wavelength monitoring and compensation, etc., to improve the monitoring wavelength accuracy and stability, Avoid the effects of inaccurate monitoring wavelengths
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[0028] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
[0029] Such as figure 1 As shown, the present invention provides a preferred embodiment of a wavelength and power monitoring device.
[0030] A wavelength and power monitoring device. The wavelength and power monitoring device includes an optical signal input terminal 100, a primary filter module 200, a secondary filter module 300, and a PD receiving terminal 400 arranged in sequence; wherein, multi-wavelength optical signals from The optical signal input terminal 100 is input, and the coarse filtering in a large range is performed through the primary filter module 200, and the fine filtering in a small range is performed through the secondary filtering module 300, and then incident to the PD receiving terminal 400 to realize the optical signal Wavelength and power monitoring.
[0031] Wherein, the coarse filtering in a large range refers to a wide...
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