国产25 μm/400 μm啁啾倾斜光纤光栅传输功率突破4kW
Chinese Journal of Lasers(2022)
Abstract
啁啾倾斜光纤光栅(CTFBG)在高功率光纤激光受激拉曼散射抑制中有重要的应用.在25 μm/400 μm光纤上研制了可承受4.35 kW激光功率的CTFBG,这是目前国内外已报道的最高功率水平.CTFBG的插入损耗小于0.3 dB,最高功率下的温升仅为7.5℃,温升系数约为1.72℃/kW,表明其具有承受更高激光功率的能力.
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