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Conferences > CLEO > 2003 > CThM > CThM31
  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference
  • Technical Digest (Optica Publishing Group, 2003),
  • paper CThM31

Interferometric sensor for absolute distance measurements based on an external cavity semiconductor laser

J. Moebius, J. Czarske, T. Razik, and H. Welling

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Abstract

A sensor principle is presented that uses an antireflection coated diode laser together with a technical surface as an external Fabry-Perot resonator. Modulation of the diode current creates a distance sensor with advantageous properties.

© 2003 Optical Society of America

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