Hollow-core microstructure fiber with high damage threshold
A technology of micro-structured optical fiber and high damage threshold, which is applied in the direction of multi-layer core/clad optical fiber, clad optical fiber, light guide, etc., can solve the problem of lack of flexible transmission medium for high-power and high-energy laser pulses, and achieve improved damage threshold Effect
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[0009] The present invention will be described in further detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0010] Such as figure 1 As shown, a high damage threshold hollow core microstructured optical fiber includes an outer cladding quartz glass tube 1 and a quartz microcapillary tube 2 .
[0011] Along the inner wall of the outer cladding quartz glass tube 1, there are 11 to 15 quartz microcapillaries 2 arranged in gaps to form the inner cladding, and the contact parts between the 11 to 15 quartz microcapillaries 2 and the inner wall of the quartz glass tube 1 are welded. Fixed on the inner wall of the quartz glass tube 1, the middle part of 11 to 15 quartz microcapillaries 2, that is, the innermost layer is the low-refractive index core 3 area, and the low-refractive index core 3 area is inert gas or air or va...
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