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   Articles with "generated carrier" as a keyword



Improved phase-generated carrier algorithm based on fundamental and multi-harmonic mixing

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recommendations! Published in 2025 at "Optical Engineering"

DOI: 10.1117/1.oe.64.7.076105

Abstract: Abstract. The phase-generated carrier (PGC) modulation–demodulation technique is one of the key signal demodulation schemes in interferometric fiber-optic sensing systems. The phase modulation depth (C) and carrier phase delay (θ) are critical factors affecting the… read more here.

Keywords: improved phase; carrier; generated carrier; phase generated ... See more keywords

Optimization of the phase generated carrier demodulation algorithm based on support vector regression.

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recommendations! Published in 2021 at "Applied optics"

DOI: 10.1364/ao.440339

Abstract: The phase generated carrier (PGC) algorithm is often used in the demodulation of interference signals in optical fiber sensors for its high sensitivity, good linearity, and large dynamic range. However, the PGC demodulation method is… read more here.

Keywords: pgc demodulation; algorithm; support vector; phase generated ... See more keywords
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Modified phase-generated carrier demodulation of fiber-optic interferometric ultrasound sensors.

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recommendations! Published in 2021 at "Optics express"

DOI: 10.1364/oe.432237

Abstract: We propose and demonstrate a modified phase-generated carrier (PGC) demodulation scheme optimized for detection of ultrasound using interferometric sensors with sinusoidal fringes. The sensor used in demonstration is made from a pair of weak fiber… read more here.

Keywords: generated carrier; demodulation; phase generated; modified phase ... See more keywords

Analysis of Photo-Generated Carrier Escape in Multiple Quantum Wells

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recommendations! Published in 2023 at "Crystals"

DOI: 10.3390/cryst13050834

Abstract: Recent experiments have shown that more than 85% of photo-generated carriers can escape from multiple quantum wells (MQWs) sandwiched between p-type and n-type layers (PIN). In this work, we quantitatively analyze the relationship between the… read more here.

Keywords: escape; energy; generated carrier; photo generated ... See more keywords