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1. WO2020138133 - LIGHT RECEIVING SYSTEM FOR METEOROLOGICAL OBSERVATION LIDAR

Publication Number WO/2020/138133
Publication Date 02.07.2020
International Application No. PCT/JP2019/050744
International Filing Date 25.12.2019
IPC
G01W 1/00 2006.01
GPHYSICS
01MEASURING; TESTING
WMETEOROLOGY
1Meteorology
G01W 1/02 2006.01
GPHYSICS
01MEASURING; TESTING
WMETEOROLOGY
1Meteorology
02Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover, wind speed
G01S 17/95 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
88Lidar systems, specially adapted for specific applications
95for meteorological use
G01N 21/65 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
63optically excited
65Raman scattering
G01S 7/481 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/, G01S15/, G01S17/127
48of systems according to group G01S17/58
481Constructional features, e.g. arrangements of optical elements
CPC
G01N 21/65
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
63optically excited
65Raman scattering
G01S 17/95
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
88Lidar systems specially adapted for specific applications
95for meteorological use
G01S 7/481
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
48of systems according to group G01S17/00
481Constructional features, e.g. arrangements of optical elements
G01W 1/00
GPHYSICS
01MEASURING; TESTING
WMETEOROLOGY
1Meteorology
G01W 1/02
GPHYSICS
01MEASURING; TESTING
WMETEOROLOGY
1Meteorology
02Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover, wind speed
Y02A 90/10
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
90Technologies having an indirect contribution to adaptation to climate change
10Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Applicants
  • 英弘精機株式会社 EKO INSTRUMENTS CO., LTD. [JP]/[JP]
Inventors
  • 長谷川 壽一 HASEGAWA, Toshikazu
  • 竹内 栄治 TAKEUCHI, Eiji
  • 塚本 誠 TSUKAMOTO, Makoto
  • 矢吹 正教 YABUKI, Masanori
Agents
  • 稲葉 良幸 INABA, Yoshiyuki
  • 大貫 敏史 ONUKI, Toshifumi
Priority Data
2018-24183725.12.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) LIGHT RECEIVING SYSTEM FOR METEOROLOGICAL OBSERVATION LIDAR
(FR) SYSTÈME DE RÉCEPTION DE LUMIÈRE POUR LIDAR D’OBSERVATION MÉTÉOROLOGIQUE
(JA) 気象観測ライダー用受光系
Abstract
(EN)
Provided is a light receiving system for a meteorological observation LiDAR capable of radiating laser light in the UVC region (wavelength 200 to 280 nm) into the air without using a diffraction grating, and accurately observing scattered light that is generated. This light receiving system for a meteorological observation LiDAR for radiating laser light having a specific wavelength in the UVC region into the air, and observing scattered light that is generated is provided with a reflecting unit for reflecting incident light in a prescribed direction, and a spectroscopic unit for spectrally diffracting a specific wavelength from the light incident from the reflecting unit, wherein the spectroscopic unit is provided with an interference filter.
(FR)
La présente invention concerne un système de réception de lumière pour un LiDAR d’observation météorologique capable de rayonner une lumière laser dans la région UVC (longueur d’onde de 200 à 280 nm) dans l’air sans utiliser un réseau de diffraction, et d’observer avec précision la lumière diffusée qui est générée. Ce système de réception de lumière pour un LiDAR d’observation météorologique pour rayonner une lumière laser ayant une longueur d’onde spécifique dans la région UVC dans l’air, et observer la lumière diffusée qui est générée, est pourvu d’une unité de réflexion pour réfléchir une lumière incidente dans une direction prescrite, et d'une unité spectroscopique pour diffracter spectralement une longueur d’onde spécifique de la lumière incidente provenant de l’unité de réflexion, l’unité spectroscopique étant pourvue d’un filtre d’interférence.
(JA)
回折格子を用いずに、UVC領域(波長200~280nm)のレーザ光を空中に照射して、発生する散乱光を精度よく観測可能な気象観測ライダー用受光系を提供する。UVC領域の特定波長のレーザ光を空中に照射して、発生する散乱光を観測する気象観測ライダー用受光系であって、入射する光を所定の向きに反射させる反射部と、前記反射部から入射する光から特定の波長を分光する分光部と、を備え、前記分光部は、干渉フィルタを備える。
Also published as
JP2020540516
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