Suppression of the Thermal Effects in the Femtosecond Laser Processing of Fiber Bragg Gratings

被引：0
|
作者：
崔巍
司金海
陈涛
严飞
陈烽
侯洵
机构：
[1] KeyLaboratoryforPhysicalElectronicsandDevicesoftheMinistryofEducation&ShaanxiKeyLabofInformationPhotonicTechnique,SchoolofElectronics&InformationEngineering,Xi'anJiaotongUniversity
来源：
Chinese Physics Letters | 2013年 / 30卷 / 10期
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摘要：
The thermal effects on the processing of type-I IR fiber Bragg gratings（FBGs） using a femtosecond laser with a phase mask are investigated.Thermal effects are significantly suppressed by using interval exposure mode and reducing the tension on the fiber.FBGs with improved photo-induced refractive index modulation are fabricated in the standard telecom fiber.The index modulation reaches 1.6 × 10-3.The reflectivity and bandwidth are measured to be-0.36 dB and 1.27nm,respectively.
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页码：116 / 119
页数：4
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