Search Results - "Shiina, Tatsuo"

LED Mini Lidar for Atmospheric Application by Shiina, Tatsuo

“…The creation of a compact and easy-to-use atmospheric lidar has been the aim of researchers for a long time. Micro Pulse Lidars (MPL) and commercialized…”
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Atmosphere Activity Measurement by LED Raman Mini Lidar by Shiina, Tatsuo

“…The LED mini lidar was improved to monitor Raman scattering echoes. The Raman scattering signal indicates a certain gas concentration and it can distinguish…”
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Exploration for adequate non-diffractive beam generation in dense scattering media by Xiafukaiti, Alifu, Lagrosas, Nofel, Shiina, Tatsuo

“…The propagation methods of a non-diffractive beam (NDB) for optical sensing in scattering media have been extensively studied. However, those methods can…”
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Dust flow analysis by low coherence Doppler lidar by Okubo, Kosuke, Lagrosas, Nofel, Shiina, Tatsuo

“…Visualization of dust flow and wind dynamics near the ground surface are essential for understanding the mixing and interaction between geosphere and…”
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Generation control of a non-diffractive beam in random media by adjusting concentration by Peng, Ziqi, Shiina, Tatsuo

“…It takes a long distance of more than 200m to generate a non-diffractive beam from an annular beam of 40mm φ (diameter) in space. The authors have worked on…”
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Analysis of a non-diffractive beam generated from an annular beam in random media by Peng, Ziqi, Shiina, Tatsuo

“…An annular beam has the ability to self-transform into a non-diffractive beam when it propagates in air at a long distance. In our previous study, we…”
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Assessment of Nighttime Cloud Cover Products from MODIS and Himawari-8 Data with Ground-Based Camera Observations by Lagrosas, Nofel, Xiafukaiti, Alifu, Kuze, Hiroaki, Shiina, Tatsuo

“…Comparing cloud cover (CC) products from different satellites with the same ground-based CC dataset provides information on the similarities or differences of…”
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Micro crack analysis of optical fiber by specialized TD-OCT by Tanaka, Masayuki, Shiina, Tatsuo

“…•We have developed the specialized TD-OCT systems with the rotation mechanism for reference paths scanning.•It is now possible to conduct the absolute…”
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Target imaging in scattering media using ghost imaging optical coherence tomography by Huyan, Decai, Lagrosas, Nofel, Shiina, Tatsuo

“…When the conventional optical coherence tomography (OCT) measures the transmittance and the absorbance of the target in the scattering media, its image is…”
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Chlorophyll-a Pigment Measurement of Spirulina in Algal Growth Monitoring Using Portable Pulsed LED Fluorescence Lidar System by Cadondon, Jumar G, Ong, Prane Mariel B, Vallar, Edgar A, Shiina, Tatsuo, Galvez, Maria Cecilia D

“…Chlorophyll-a measurement is important in algal growth and water quality monitoring in natural waters. A portable pulsed LED fluorescence lidar system based on…”
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Proposal of dental demineralization diagnosis with OCT echo based on multiscale entropy analysis by Peng, Ziqi, Okaneya, Seiroh, Bai, Hongzi, Wu, Chuangxing, Liu, Bei, Shiina, Tatsuo

“…Optical coherence tomography (OCT) has been widely used for the diagnosis of dental demineralization. Most methods rely on extracting optical features from OCT…”
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Optical Properties Analysis of Scattering Media Based on GI-OCT Imaging by Huyan, Decai, Lagrosas, Nofel, Shiina, Tatsuo

“…An optical coherence tomography (OCT) system based on the ghost imaging (GI) technique is developed for correctly imaging in scattering media. Usually, the…”
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Characteristics of non-diffractive beam generation related to concentration and propagation distance in highly random media by Xiafukaiti, Alifu, Peng, Ziqi, Kuze, Hiroaki, Shiina, Tatsuo

“…Laser beam propagation in highly random media can potentially be applied to various optical studies, though the light penetration is often limited to the…”
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LED-Lidar Echo Denoising Based on Adaptive PSO-VMD by Peng, Ziqi, Bai, Hongzi, Shiina, Tatsuo, Deng, Jianglong, Liu, Bei, Zhang, Xian

“…LED (light-emitting diode)-lidar (light detection and ranging) has gradually been focused on by researchers because of its characteristics of low power, high…”
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Surface Aerosol Properties Studied Using a Near-Horizontal Lidar by Ong, Prane Mariel, Lagrosas, Nofel, Shiina, Tatsuo, Kuze, Hiroaki

“…Studying near-surface aerosol properties is of importance for a better assessment of the aerosol effect on radiative forcing. We employ the data from a…”
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Algal Organic Matter Fluorescence Analysis of Chlorella sp. for Biomass Estimation by Jumar Cadondon, James Roy Lesidan, Jejomar Bulan, Edgar Vallar, Tatsuo Shiina, Maria Cecilia Galvez

“…Algal Organic Matter (AOM) is derived from the dissolved organic matter composition of the algal species being observed. In this study, excitation–emission…”
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Characterization of Porcine Skin Using a Portable Time-Domain Optical Coherence Tomography System by Maria Cecilia Galvez, Jumar Cadondon, Paulito Mandia, Ernest Macalalad, Edgar Vallar, Tatsuo Shiina

“…Optical coherence tomography (OCT) is an imaging tool used to visualize the cross-section of a sample. Additionally, this device can measure the sample’s…”
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Mass-Extinction Conversion Factor (MECF) over the Gobi Desert by a Tethered-balloon-based OPC and a Ceilometer by Kai, Kenji, Kawai, Kei, Ohara, Kazuma, Minamoto, Yuki, Jin, Yoshitaka, Maki, Teruya, Noda, Jun, Shiina, Tatsuo, Davaanyam, Enkhbaatar

“…The mass concentration of Asian dust in the atmosphere is an essential parameter of the atmospheric environment in East Asia. In April 2016, we conducted…”
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Study on the Asian dust emitted from the hotspot in the Gobi Desert by Kai, Kenji, Kawai, Kei, Jin, Yoshitaka, Shimizu, Atsushi, Sugimoto, Nobuo, Maki, Teruya, Noda, Jun, Shiina, Tatsuo, Davaanyam, Enkhbaatar, Batdorj, Dashdondog

“…We have studied the Asian dust emitted from a hotspot in the Gobi Desert by a lidar network, analyses of Himawari-8 Dust RGB and meteorological fields, and a…”
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Lidar transmitter offers “non-diffracting” property through short distance in highly-dense random media by Alifu, Xiafukaiti, Ziqi, Peng, Shiina, Tatsuo

“…Non-diffracting beam (NDB) is useful in lidar transmitter because of its high propagation efficiency and high resolution. We aimed to generate NDB in random…”
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