Disturbance-free distributed Bragg reflector laser-diode interferometer with a double sinusoidal phase-modulating technique for measurement of absolute distance

A new range-finding technique that uses both double sinusoidal phase modulation and quasi-two-wavelength interferometry is described. Two independent interference signals are generated with respect to two different wavelengths on a time-sharing basis. We clarify that external disturbances of these i...

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Veröffentlicht in:	Applied Optics 2004-08, Vol.43 (23), p.4482-4487
Hauptverfasser:	Suzuki, Takamasa, Ohizumi, Takao, Sekimoto, Tatsuhiko, Sasaki, Osami
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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