Tunable single-core photonic crystal fiber SPR single polarization wavelength splitter
A photonic crystal fiber, single-polarization technology, applied in cladding fiber, optical waveguide light guide, instruments, etc., can solve the problem that wavelength splitting and tunability cannot be realized.
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Embodiment approach 1
[0013] A tunable single-core photonic crystal fiber SPR single-polarization wavelength splitter includes a single-core PCF7 with regular hexagonal air hole distribution, and the background material is quartz 5. Wherein, the radius of the small air hole 4 is 0.2 micron; the radius of the large air hole 1 is 0.5 micron, the period 6-1 is 1.1, and the center distance 6-2 of the large and small air holes is 0.8 micron; the major and minor axis radii of the four elliptical air holes 3 0.5 micron and 1 micron respectively; in the single-core PCF7, the symmetrical upper air hole 2-1 is coated with a metal material 8-1 with a thickness of 30 microns, and the inner sidewall of the lower air hole 2-2 is coated with a thickness of 35 micron metal material 8-2. According to the mixed-mode coupling effect of SPR and single-polarization filtering characteristics, when the light containing two wavelengths of A and B enters the single-core PCF7, the X-polarization of the A-wavelength light is...
Embodiment approach 2
[0015] A tunable single-core photonic crystal fiber SPR single-polarization wavelength splitter includes a single-core PCF7 with regular hexagonal air hole distribution, and the background material is quartz 5. Wherein, the radius of the small air hole 4 is 0.6 micron; the radius of the large air hole 1 is 2 micron, the cycle 6-1 is 4.1 micron, and the center distance 6-2 of the large and small air holes is 2.7 micron; the major and minor axes of the four elliptical air holes 3 The radii are 2.2 microns and 2.5 microns respectively; the symmetrical upper air hole 2-1 is coated with a metal material 8-1 with a thickness of 35 microns, and the inner wall of the lower air hole 2-2 is coated with a metal material with a thickness of 45 microns 8-2. According to the mixed-mode coupling effect of SPR and single-polarization filtering characteristics, when the light containing two wavelengths of A and B enters the single-core PCF7, the X-polarization of the A-wavelength light is abso...
Embodiment approach 3
[0017] A tunable single-core photonic crystal fiber SPR single-polarization wavelength splitter includes a single-core PCF7 with regular hexagonal air hole distribution, and the background material is quartz 5. Wherein, the radius of the small air hole 4 is 0.2 micron; the radius of the large air hole 1 is 0.5 micron, the period 6-1 is 1.1 micron, and the center distance 6-2 of the large and small air holes is 0.8 micron; the major and minor axes of the four elliptical air holes 3 The radii are 0.5 micron and 1 micron respectively; the symmetrical upper air hole 2-1 is coated with a metal material 8-1 with a thickness of 40 microns, and the inner wall of the lower air hole 2-2 is coated with a metal material with a thickness of 55 microns 8-2. According to the mixed-mode coupling effect of SPR and single-polarization filtering characteristics, when the light containing two wavelengths of A and B enters the single-core PCF7, the X-polarization of the A-wavelength light is absor...
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