平行平板ガラスを用いた微小角変位測定

DOI Web Site オープンアクセス

書誌事項

タイトル別名
  • Measurement of small angular displacements with a flat-parallel glass plate.

説明

A new, simple method is presented for the accurate measurement of small angular displacements. An incident laser diode beam on a flat-parallel glass plate was reflected at the front and the rear surface of the plate, and the interference pattern of two reflected beams was measured with a one-dimensional image sensor and a microcomputer, After the running average of the interference pattern signals was computed numerically to reduce spatial noise on the interference pattern, interference peak positions and angular displacements were estimated. The small angular displacements thus obtained were found to be in approximate agreement with a theory.

収録刊行物

  • レーザー研究

    レーザー研究 18 (6), 415-420, 1990

    一般社団法人 レーザー学会

キーワード

詳細情報 詳細情報について

問題の指摘

ページトップへ