Multi-Wavelength Based Optical Density Sensor for Autonomous Monitoring of Microalgae
Sensors, 2015 A multi-wavelength based optical density sensor unit was designed, developed, and evaluated to monitor microalgae growth in real time. The system consisted of five main components including: (1) laser diode modules as light sources; (2) photodiodes as ...
Fei Jia, Murat Kacira, Kimberly L. Ogden
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Research Progress of Monolithic Integrated DFB Laser Arrays for Optical Communication
Crystals, 2022 Photonic integrated circuits (PICs) play a leading role in modern information and communications technology. Among the core devices in PICs is the distributed feedback (DFB) multi-wavelength semiconductor laser array. Multi-wavelength semiconductor laser
Shen Niu +12 more
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Characterising the Long-Term Variability of Blazars in Leptonic Models
Galaxies, 2019 Most research on blazar variability focuses on individual flares to explain acceleration and radiation mechanisms and improve on current models. These short-time events (being minutes, hours, or days) might not be representative of the underlying ...
Hannes Thiersen +2 more
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Multi-Wavelength Photoacoustic Temperature Feedback Based Photothermal Therapy Method and System
Pharmaceutics, 2023 Photothermal therapy (PTT) is a new type of tumor treatment technology that is noninvasive, repeatable, and does not involve radiation. Owing to the lack of real-time and accurate noninvasive temperature measurement technology in current PTT surgical ...
Yiming Ma +5 more
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Feasibility Study of Multi-Wavelength Differential Absorption LIDAR for CO2 Monitoring
Atmosphere, 2016 To obtain a better understanding of carbon cycle and accurate climate prediction models, highly accurate and temporal resolution observation of atmospheric CO2 is necessary. Differential absorption LIDAR (DIAL) remote sensing is a promising technology to
Chengzhi Xiang +5 more
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BER performance in wavelength packet-switched WDM systems during nano-second wavelength switching events [PDF]
, 2004 An important characteristic of wavelength tuneable laser transmitters is that as they tune between output wavelength channels they may generate light at a range of other wavelengths.
Dunne, J. +5 more
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Multiwavelength View of the M87 Black Hole Captured by the Event Horizon Telescope [PDF]
, 2021 In 2017, the first image of the center of the M87 galaxy was captured by the Event Horizon Telescope (EHT). It revealed a ring morphology and a size consistent with theoretical expectations for the light pattern around a weakly accreting supermassive ...
PRINCIPE G +9 more
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Multi-wavelength data handling in current and future surveys: the possible role of Virtual Observatory [PDF]
, 2009 Here we review some of the main issues related to multi-wavelength source identification and characterization, with particular emphasis on the field of X-ray surveys carried out over the last years.
VIGNALI, CRISTIAN +7 more
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Realization of Raman amplifier with reverse multi - wavelength pumping
Tongxin xuebao, 2006 A fiber Raman amplifier with bandwidth of 90 nm using eight pump lasers was presented. Based on the theoretic model, a gain of （11.5±1） dB was obtained with the 25 km SMF manufactured by Corning Corp as gain media.
WANG Hui +3 more
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Multi-Wavelength Spot-Array Beams Based on Tunable Dammann Grating Metasurface
Photonics, 2023 The structured light projection (SLP) method occupies a crucial position in three-dimensional (3D) imaging technology. Different working wavelengths of structured light can be employed depending on the situation.
Yuning Wu +3 more
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