1 March 2004 Sinusoidal phase-modulating laser diode interferometer capable of accelerated operations on four integrating buckets
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We propose a sinusoidal phase-modulating laser diode interferometer that uses a charge-coupled device (CCD)-based additive operation on four integrating buckets. By shifting the injection-current bias of a laser diode to introduce additional phase shifts, a portion of the subtractive operations on the integrating buckets become additive operations, which are achieved in the CCD. This approach serves to reduce both data processing and measurement time.
©(2004) Society of Photo-Optical Instrumentation Engineers (SPIE)
Xuefeng Zhao, Takamasa Suzuki, and Osami Sasaki "Sinusoidal phase-modulating laser diode interferometer capable of accelerated operations on four integrating buckets," Optical Engineering 43(3), (1 March 2004). https://doi.org/10.1117/1.1645252
Published: 1 March 2004
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Cited by 3 scholarly publications.
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KEYWORDS
Modulation

Interferometers

Charge-coupled devices

Phase shift keying

Semiconductor lasers

Scanning probe microscopy

Signal generators

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