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温控共振频率可调谐窄带F-P干涉滤波器
  • 期刊名称:量子光学学报, 01期, pp 72-76, 2008
  • 时间:0
  • 分类:O431[机械工程—光学工程;理学—光学;理学—物理]
  • 作者机构:[1]山西大学量子光学与光量子器件国家重点实验室,山西太原030006
  • 相关基金:国家自然科学基金(60325414,60578059);教育部长江学者和创新团队发展计划(IRT0516);教育部培育基金(CFKSTIP705010);山西省自然科学基金(2007011004)
  • 相关项目:利用冷原子EIT中的四波混频效应在光学腔内实现光子纠缠
中文摘要:

报道了一种由温度控制,共振频率可调谐的窄带F-P干涉滤波器。该F-P干涉滤波器的自由光谱区为13.6GHz,透射带宽(透射峰半高处线宽)约为541MHz。通过控制其温度变化,改变F-P干涉滤波器两端面间距,可使共振透过F-P干涉滤波器的激光频率连续调谐。实验测得当激光频率与F-P干涉滤波器共振时,透射率可达82%,同时与共振频率相差2GHz~10GHz的激光可被该F-P干涉滤波器反射掉,反射率达99.3%~99.7%。当控制温度波动小于±0.005℃时,透射过F-P干涉滤波器的激光功率波动小于2.5%。

英文摘要:

This paper reports a narrow-band F-P interference filter whose resonant frequency can be tuned by changing its temperature . The free spectral range of the filter is 13.6 GHz, the full width at half maximum (FWHM) is 541 MHz. By controlling the temperature of the filter, the distance between two ends of F-P interference filter can be changed, so the frequency of laser resonance with the F-P interference filter can be continuously tuned. The transmission will achieve to 82% , while the laser whose frequency is 2 GHz - 10 GHz away from the resonance frequency will be reflected ( reflectance is about 99.3 % - 99.70/0 ). When the controlled temperature fluctuate is less than 0. 005℃ , the fluctuate of transmitted light power is less than 2.5%.

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