Development of a Microwave Electro-Optic Modulator for a Laser Distance-Measuring Instrument

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概要

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• An electro-optic modulator which operates at a frequency of around 3 GHz in the S-band microwave region was analyzed and developed for use in a laser distance-measuring instrument. A reentrant cylindrical cavity was constructed by using a KDP crystal inside the cavity. The cavity efficiency was theoretically analyzed by a finite-element method. The modulator had a laser intensity modulation index of 8% which had been obtained with a microwave input peak power of 1 W. The modulator was tested in the laboratory for distance measurements with the result that the modulator was capable of measuring a distance within an instrumental accuracy of 1 mm.

• 社団法人応用物理学会の論文
• 1987-12-20

著者

• Nakayama Shigeru

  Department Of Electronics Kyoto Institute Of Technology

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