Results 21 to 30 of about 4,075,667 (324)
Micromachines, 2021 Based on the scanning grating mirror developed by us, this paper presents a method for precise control of the scanning grating mirror and high-speed spectrum data acquisition.
Haitao Liu +5 more
doaj +1 more source
Highly Linear and Wide Non-Resonant Two-Degree-of-Freedom Piezoelectric Laser Scanner
Sensors, 2022 Laser scanners with mechanically driven mirrors have exhibited increasing potential for various applications, such as displays and laser radar. Resonant scanners are the predominantly used scanners; however, non-resonant scanners are required for ...
Takashi Ozaki +2 more
doaj +1 more source
International Journal of Optomechatronics, 2021 Osteonecrosis becomes a more widespread problem as the population is getting older. Current osteonecrosis diagnosis not only requires invasive procedures but also often leads to surgical replacement.
Dong-Lin Wang +6 more
semanticscholar +1 more source
Sensors, 2021 In recent years, laser scanners have attracted significant attention for applications such as laser radars. However, the establishment of a two-degree-of-freedom scanner that can quasi-statically drive a large mirror with a large deflection angle has ...
Takashi Ozaki +2 more
doaj +1 more source
Development of the high angular resolution 360° LiDAR based on scanning MEMS mirror
Scientific Reports, 2023 Light detection and ranging (LiDAR) using various operational principles has been applied in many fields, e.g., robotics navigation, autonomous vehicles, unmanned aerial flyers, land surveying, etc. The multichannel LiDAR system is of great importance in
Donghai Yang +8 more
semanticscholar +1 more source
Design of a high-throughput telescope based on scanning an off-axis three-mirror anastigmat system. [PDF]
Applied Optics, 2021 A high-throughput optical system possesses a large field of view (FOV) and high resolution. However, it is a major challenge to design such a telescope with these two conflicting specifications.
Hui-Ru Ji +5 more
semanticscholar +1 more source
Results in Physics, 2020 In this paper, a direct design method for an off-axis two-mirror telecentric scanning system with a linear field of view (FOV) is proposed. A single freeform mirror structure is firstly considered, in which the aberration free geometry of the off-axis ...
Lu Chen +7 more
doaj +1 more source
Fast Terahertz Computed-Tomography Imaging With a Quantum-Cascade Laser and a Scanning Mirror [PDF]
, 2013 A terahertz transmission imaging system based on a quantum-cascade laser (QCL), a fast scanning mirror, and a sensitive Ge:Ga detector is demonstrated. In order to reduce artifacts, special care was taken on the optics and the conversion of the measured
H.-W. Hubers +11 more
core +1 more source
A Silicon Optical Bench-Based Forward-View Two-Axis Scanner for Microendoscopy Applications
Micromachines, 2020 Optical microendoscopy enabled by a microelectromechanical system (MEMS) scanning mirror offers great potential for in vivo diagnosis of early cancer inside the human body. However, an additional beam folding mirror is needed for a MEMS mirror to perform
Dong Zheng +3 more
doaj +1 more source
Biomedical Optics Express, 2022 A handheld confocal microscope using a rapid MEMS scanning mirror facilitates real-time optical biopsy for simple cancer diagnosis. Here we report a handheld confocal microscope catheter using high definition and high frame rate (HDHF) Lissajous scanning
Jaehun Jeon +6 more
semanticscholar +1 more source