激光多普勒测速仪(LaserDopplerVelocimetry,LDV)的工作原理是:激光器发出的光平均分成两束射出,在被测物体表面汇聚后反射,探测器接收反射光,当被测物体横向速度为零时,反射光与探测光频率相同;当横向速度不为零时,反射光相对探测光发生频移,频移,其中为被测物体的横向速度,为两束探测光线夹角的一半,为激光波长.如图...
激光多普勒测速仪(LaserDopplerVelocimetry,LDV)的工作原理是:激光器发出的光平均分成两束射出,在被测物体表面汇聚后反射,探测器接收反射光,当被测物体横向速度为零时,反射光与探测光频率相同;当横向速度不为零时,反射光相对探测光发生频移,频移,其中为被测物体的横向速度,为两束探测光线夹角的一半,为激光波长.如图...
Publications Chun-Hsiung Wang, Hsin Lee, Yu-Hsiang Hsu, Shu-Sheng Lee, Jiun-Woei Huang, Wen-Jong Wu, and Chih-Kung Lee: Photonic Doppler velocimetry for high-speed fragment generator measurements, published in Optics Express, 2020. Related products Koheras MIKRO Read more Products...
Laser Doppler velocimetry is optical length & speed measurement according to the principle of the laser Doppler effect. Learn more about the technology!
velocimetry 速度测量学 Doppler 多普勒效应 doppler adj.[亦作d-](奥地利物理学家)多普勒的 LASER =Light Amplification by Stimulated Emission of Radiation 激光器, 受激辐射式光频放大器 laser n. 1.激光 2.激光器; 镭射器 down Doppler 下行多普勒 up Doppler 上行多普勒 laser calibrated 激光校准...
激光多普勒测速仪(LaserDopplerVelocimetry,LDV)的工作原理是:激光器发出的光平均分成两束射出,在被测物体表面汇聚后反射,探测器接收反射光,当被测物体横向速度为零时,反射光与探测光频率相同;当横向速度不为零时,反射光相对探测光发生频移,频移,其中为被测物体的横向速度,为两束探测光线夹角的一半,为激光波长.如图...
激光多普勒测速仪(LaserDopplerVelocimetry,LDV)的工作原理是:激光器发出的光平均分成两束射出,在被测物体表面汇聚后反射,探测器接收反射光,当被测物体横向速度为零时,反射光与探测光频率相同;当横向速度不为零时,反射光相对探测光发生频移,频移,其中为被测物体的横向速度,为两束探测光线夹角的一半,为激光波长.如图...
Laser-Doppler velocimetry (LDV) measurements are presented of relative mean velocity and turbulence intensity components inside the impeller passage of a centrifugal fan with twelve backward curved blades at design, under-design, and over-design flow rates. Additional LDV measurements were also performed...
The problem of fibre movement artefact in laser Doppler velocimetry recordings of skin blood flow has been investigated. Beat frequency spectra were obtained for a stationary target, unheated skin, heated skin (43.5°C), with and without blood flow occluded for various induced amounts of fibre mo...
dimensions 10mm x 10mm x 2mm - 20mm x 20mm x 2mm - 10mm x 10mm x 1mm -10mm x 10mm x 0.5mm - AR coated for 780 nm - price Nd:YVO4 crystal a-cut - KTP crystal - Output coupler OC mirror - Nd:YAG crystal 111-cut - LBO crystal - BBO crystals for generating entangled pairs of...