Multi-wavelength optical fiber filter
An optical fiber filter, multi-wavelength technology, applied in the field of optical communication, can solve the problems of limited number of channels, the inability of multi-wavelength filters to adapt to dynamic optical communication systems, and technical development limitations.
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[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art fall within the protection scope of the present invention.
[0020] See figure 1 , A multi-wavelength fiber filter provided by an embodiment of the present invention includes: a first single-mode fiber 100, a second single-mode fiber 200, a photonic crystal fiber 300, and a temperature control module for heating the photonic crystal fiber; , One end of the first single-mode fiber 100 is connected to one end of the photonic crystal fiber 300 for light beam input; one end of the second single-mode fiber 200 is connected to t...
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