Distance Measurement Using a Pulse Train Emitted from a Laser Diode

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概要

• 論文の詳細を見る

• A distance meter has been developed using a pulse train emitted from a laser diode. The frequency spectrum of the pulse train consists of the fundamental frequency and its harmonics of the modulation current supplied to the laser diode. The interference effect between the detected signal and the field leakage, induced by the modulation current, was removed through the heterodyne detection of the second harmonic, and the systematic error caused from this interference effect was decreased in phase measurements. The precision of the distance measurement was improved, especially when the detected light signal was very weak.

• 社団法人応用物理学会の論文
• 1987-10-20

著者

• SETA Katuo

  National Research Laboratory of Metrology

• Oh'ishi Tadanao

  National Research Laboratory Of Metrology

関連論文

• Wavelength Scanning Gauge Block Interferometer Using a Spatial Light Modulator(Instrumentation, Measurement, and Fabrication Technology)
• Gauge Block Measurement Using a Wavelength Scanning Interferometer
• Distance Measurement Using a Pulse Train Emitted from a Laser Diode
• Optical Distance Measurement Using Infer-Mode Beat of Laser

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