Measurement of 157 nm F2 laser heating of silica fibre using an in situ fibre Bragg grating

被引：4

作者：

Dyer, PE ^{[1
]}

Johnson, AM ^{[1
]}

Snelling, HV ^{[1
]}

Walton, CD ^{[1
]}

机构：

[1] Univ Hull, Dept Phys, Kingston Upon Hull HU6 7RX, N Humberside, England

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2001年 / 34卷 / 21期

关键词：

D O I：

10.1088/0022-3727/34/21/101

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The high photon energy 157 nm F-2 laser has potential applications as a source for modifying the refractive index of lasses for telecommunication device fabrication, e.g. fibre Bragg gratings. At this wavelength even 'pure' silica glass exhibits significant absorption and the cladding on fibres may produce non-negligible beam attenuation. Here we report new results using a fibre Bragg grating for in situ monitoring of the temperature rise produced in a silica fibre by 157 nm F-2 laser exposure. These results, coupled with thermal modelling, allow the fibre cladding absorption coefficient (similar to 7750 m(-1)) in the vacuum ultraviolet to be determined.

引用

页码：L109 / L112

页数：4

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