Composition of oversized mode area fluorphosphate optical fiber and preparation method thereof
A technology of fluorophosphate and optical fiber, which is applied in the composition and preparation of ultra-large mode area fluorophosphate optical fiber, which can solve the problems that the optical fiber cannot meet the mode field diameter of 100 μm or more and single-mode transmission characteristics at the same time, and achieve excellent thermal performance. Effect
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Embodiment 1
[0095] According to the structural characteristics of GG+IAG optical fiber, take the formula of Group 10 in Table 1-1 and Table 1-2 for processing.
[0096] Aluminum metaphosphate, calcium metaphosphate, lithium fluoride, barium fluoride, magnesium fluoride, strontium fluoride, and zirconium fluoride are analytically pure, with a purity >99.6%; lanthanum fluoride, yttrium fluoride, and rare earth oxides Purity >99.99%. Aluminum metaphosphate can be introduced partly in the form of aluminum fluoride (analytical pure). Preparation of Yb by High Temperature Melting Process 3+ Doped fluorophosphate glass.
[0097] Add 750g of evenly mixed raw materials into a Pt crucible heated by a silicon carbide rod at a temperature of 900°C and a volume of 300ml. The formula is shown in Table 1-1. Stir, clarify, and homogenize the molten glass for 2.5 hours; To 600°C, pour the high-temperature homogenized molten glass onto the preheated cast iron mold, then place it in a 300°C annealing fur...
Embodiment 2
[0103] According to the structural characteristics of GG+IAG optical fiber, take the formula of Group 11 in Table 1-1 and Table 1-2 for processing.
[0104] Aluminum metaphosphate, calcium metaphosphate, lithium fluoride, barium fluoride, magnesium fluoride, strontium fluoride, and zirconium fluoride are analytically pure, with a purity >99.6%; lanthanum fluoride, yttrium fluoride, and rare earth oxides Purity >99.99%. Aluminum metaphosphate can be introduced partly in the form of aluminum fluoride (analytical pure). Preparation of Yb by High Temperature Melting Process 3+ Doped fluorophosphate glass.
[0105] Add 750g of evenly mixed raw materials into a Pt crucible with a temperature of 840°C and a volume of 300ml heated by a silicon carbide rod one by one. The formula is shown in Table 2-1. Stir, clarify, and homogenize the molten glass for 3.5 hours; To 600°C, pour the high-temperature homogenized molten glass onto the preheated cast iron mold, then place it in a 300°C ...
Embodiment 3
[0110] According to the structural characteristics of GG+IAG optical fiber, take the 12th group formula in Table 1-1 and Table 1-2 for processing.
[0111]Aluminum metaphosphate, calcium metaphosphate, lithium fluoride, barium fluoride, magnesium fluoride, strontium fluoride, and zirconium fluoride are analytically pure, with a purity >99.6%; lanthanum fluoride, yttrium fluoride, and rare earth oxides Purity >99.99%. Aluminum metaphosphate can be introduced partly in the form of aluminum fluoride (analytical pure). Preparation of Yb by High Temperature Melting Process 3+ Doped fluorophosphate glass.
[0112] Add 750g of evenly mixed raw materials into a Pt crucible with a temperature of 870°C and a volume of 300ml heated by a silicon carbide rod one by one. The formula is shown in Table 3-1. Stir, clarify, and homogenize the molten glass for 3.5 hours; To 610°C, pour the high-temperature homogenized molten glass onto the preheated cast iron mold, then place it in a 300°C an...
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