Superconducting thin film resonator
A technology of superconducting thin films and resonators, applied in resonators, waveguide devices, electrical components, etc., can solve the problems of increased effective area, poor coupling coefficient between magnetic flux focuser and RF superconducting quantum interferometer RFSQUID, etc. , to achieve uniform energy distribution, enhanced magnetic concentration effect, and simple structure
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Embodiment 1
[0039] Embodiment 1: Design resonance frequency f 0 820MHz, unloaded quality factor Q 0 26439 superconducting thin film resonator.
[0040] The single crystal substrate 1 of this example adopts a size of 10×10×1mm 3 , the material is lanthanum aluminate LAO; the peripheral dimension of the superconducting thin film outer ring 2 is 8×8mm 2 , the four sides of the outer ring 2 constitute three step impedances, the widths of each step impedance are: 0.5mm, 0.15mm, 0.5mm, 0.85mm, and the opening width is 0.14mm; the peripheral dimension of the flux focuser 3 is 6.7× 6.7mm 2 The radius of the magnetic flux focusing hole 4 is 1mm; the inner and outer diameters of the single complementary open loop 5 are 2.25mm and 2.33mm respectively, and the opening width is 1.8mm.
Embodiment 2
[0041] Embodiment 2: Design resonance frequency f 0 954MHz, unloaded quality factor Q 0 26399 superconducting thin film resonator.
[0042] The size of the single crystal substrate 1 of this example is 10×10×1mm 3 , the material is lanthanum aluminate LAO; the peripheral dimension of the superconducting thin film outer ring 2 is 8×8mm 2 , the four sides of the outer ring 2 form three step impedances, the width of each step impedance is: 0.5mm, 0.2mm, 0.5mm, 0.8mm, and the opening width is 0.4mm; the peripheral size of the flux focuser 3 is 6.7× 6.7mm 2 The radius of the magnetic flux focusing hole 4 is 1 mm; the inner and outer diameters of the single complementary open ring 5 are 2.25 mm and 2.3 mm respectively, and the opening width is 1.84 mm.
Embodiment 3
[0043] Embodiment 3: Design resonance frequency f 0 1112MHz, no-load quality factor Q 0 25034 superconducting thin film resonator.
[0044] The size of the single crystal substrate 1 of this example is 10×10×1mm 3 , the material is lanthanum aluminate LAO; the peripheral dimension of the superconducting thin film outer ring 2 is 8×8mm 2 , the four sides of the outer ring 2 form three step impedances, the width of each step impedance is: 0.6mm, 0.25mm, 0.6mm, 0.75mm, and the opening width is 0.6mm; the peripheral size of the flux focuser 3 is 6.7× 6.7mm 2 The radius of the magnetic flux focusing hole 4 is 1mm; the inner and outer diameters of the single complementary open loop 5 are 2.25mm and 2.3mm respectively, and the opening width is 1.9mm.
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