公开(公告)号：US20240258762A1

公开(公告)日：2024-08-01

申请号：US18137027

申请日：2023-04-20

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Yong-Won SONG ,  Hyowon MOON ,  Oleksiy KOVALCHUK ,  Sungjae LEE

IPC: H01S3/1118 ,  H01S3/067 ,  H01S3/094

CPC classification number: H01S3/1118 ,  H01S3/06745 ,  H01S3/06791 ,  H01S3/094003

Abstract: Disclosed are a mode-locked resonator according to an embodiment and an ultrashort pulse laser comprising the mode-locked resonator. The mode-locked resonator according to an embodiment includes a resonator including a shape of a sphere; and a saturable absorber coated on a surface of the resonator, wherein the resonator is coupled with some photons traveling in a tapered optical fiber disposed near the mode-locked resonator and interacts with the saturable absorber based on a Whispering Gallery Mode (WGM).

公开(公告)号：US20230204360A1

公开(公告)日：2023-06-29

申请号：US18087542

申请日：2022-12-22

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jinseok KIM ,  Byung Kook KIM ,  Minsu JANG ,  Hyowon MOON

IPC: G01C19/64 ,  G01P15/18 ,  G01P15/03

CPC classification number: G01C19/64 ,  G01P15/18 ,  G01P15/03

Abstract: Embodiments relate to an Inertia Measurement Unit (IMU) sensor that generates strain information including a change in strain based on first output light of a first type of optical fiber sensing unit, calculates acceleration information of an object on which an IMU sensor (10) is mounted based on the strain information, generates angular velocity information based on output light of a second type of optical fiber sensing unit, and calculates angle information of the object based on the rotational speed information.

公开(公告)号：US20160296122A1

公开(公告)日：2016-10-13

申请号：US15078180

申请日：2016-03-23

Applicant: Korea Institute of Science and Technology

Inventor： Jinseok KIM ,  Yong-Won SONG ,  Jinwoo JEONG ,  Hyowon MOON

IPC: A61B5/01 ,  A61B5/026 ,  A61B5/00 ,  G01D5/353

CPC classification number: A61B5/01 ,  A61B5/0084 ,  A61B5/0261 ,  A61B5/6885 ,  A61B2034/2061 ,  A61B2562/0266 ,  A61B2562/0271 ,  G01D5/35316 ,  G01D5/3538

Abstract: A sensor assembly has a flexible body, and a plurality of fiber Bragg gratings (FBG) sensor inserted into the body, the FBG sensor includes an optical fiber extending in a length direction of the body and a plurality of lattices disposed in the optical fiber, a variation of a wavelength spectrum of light, caused by a variation of an interval of the plurality of lattices, is detected, and at least one of force information applied to the body and temperature information of the body is extracted together with refraction information of the body.

Abstract translation: 传感器组件具有柔性主体，并且多个光纤布拉格光栅（FBG）传感器插入到主体中，FBG传感器包括沿主体的长度方向延伸的光纤和设置在光纤中的多个格栅， 检测由多个格子的间隔的变化引起的光的波长谱的变化，并且提取施加到身体的力信息和身体的温度信息中的至少一个以及主体的温度信息以及 身体。