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YIN Yan-xue, WU Fu-quan, SONG Lian-ke, HAO Dian-zhong, LIU Zai-guo. A novel low-loss quartz optical filter[J]. LASER TECHNOLOGY, 2010, 34(6): 798-801. DOI: 10.3969/j.issn.1001-3806.2010.06.021
Citation: YIN Yan-xue, WU Fu-quan, SONG Lian-ke, HAO Dian-zhong, LIU Zai-guo. A novel low-loss quartz optical filter[J]. LASER TECHNOLOGY, 2010, 34(6): 798-801. DOI: 10.3969/j.issn.1001-3806.2010.06.021

A novel low-loss quartz optical filter

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  • Received Date: January 04, 2010
  • Revised Date: April 13, 2010
  • Published Date: November 24, 2010
  • In order to improve the transmission of the output light and reduce the sideband energy with almost the same main intensity,a novel filter based on optical rotatory dispersion effect was introduced.Starting from its principle,its characteristics were analyzed.Compared with a multistage quartz crystal filter,the primary improvement of the novel filter was to reduce the number of needed polariscopes.Compared with a three-level quartz ciystal optical filter,the structure and filtering characteristics of the novel filter were analyzed taking different loss into account.The filtering characteristics were measured with a spectrophotometer.The results show that this novel filter can reduce the loss of the output light and the second sideband energy obviously,which is useful for the observation spectrum.
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