Highly-doped broad-spectrum erbium-ytterbium co-doped superfluorescent fiber source integrated device
A fiber optic light source and integrated device technology, which is applied in the field of erbium-ytterbium co-doped superfluorescent fiber light source integrated devices, can solve the problems of inability to realize miniaturization, integration, low doping concentration of optical fiber, and too long erbium fiber, etc., and achieve small and integration, improving coupling efficiency, and improving the effects of absorption gain
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[0018] see figure 1 and figure 2 As shown, the present invention provides a highly doped and broad-spectrum Erbium-Ytterbium co-doped super-fluorescent fiber light source integrated device, including:
[0019] A shell 1 is a square structure, its material is Kovar alloy, adopts 8-pin butterfly shell or 14-lead standard butterfly shell;
[0020] A refrigerator 2, which is made on the bottom surface inside the tube shell 1, and is used to control the temperature of the 980nm laser die 4, and the temperature control accuracy can reach ±0.2°C;
[0021] A heat sink 3, which is made on the upper surface of the refrigerator 2, and its material is nickel or copper, a metal material with good thermal conductivity;
[0022] A 980nm laser tube core 4, a self-focusing lens 5, a highly doped erbium-ytterbium co-doped phosphate glass fiber 6 and a tapered lens fiber 7, which are fabricated on the heat sink 3 in sequence, the 980nm laser tube Core 4, self-focusing lens 5, highly doped er...
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