３軸角度センサに関する研究

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書誌事項

タイトル別名
  • Development of a Three-axis Angle Sensor
  • 3軸角度センサに関する研究--測定原理の提案と検証実験
  • 3ジク カクド センサ ニ カンスル ケンキュウ ソクテイ ゲンリ ノ テイアン ト ケンショウ ジッケン
  • －測定原理の提案と検証実験－
  • - Proposal of the Measurement Principle and Identification Experiments -

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抄録

This paper describes a 3-axes angle sensor based on laser autocollimation for simultaneous measurement of small tilt angles about X, Y and Z-axes. The sensor consists of a laser diode as the light source and quadrant photodiodes (QPDs) as the optical position-sensing device. Differing from a conventional 2-axis autocollimator, the sensor uses a diffractive grating as the target mirror. It is verified that the sensitivity of the sensor in the θx (rolling) direction is determined by the pitch of the diffractive grating and the diameter of the laser beam. The sensitivities in the θy (pitching) and the θz (yawing) direction are determined by the wavelength and the beam diameter of the laser beam. It is confirmed that the resolution of θx is about 0.2 arc-seconds, and those of θy and θz are about 0.02 arc-seconds. Optical design and experimental results are presented.

収録刊行物

  • 精密工学会誌

    精密工学会誌 74 (9), 997-1001, 2008

    公益社団法人 精密工学会

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