SHORT DISTANCE MEASURING DEVICE USING PULSED LASER DIODEELISEO M RIO JR
An 'Ultrashort Pulse' refers to extremely brief bursts of laser light generated using technologies like colliding-pulse mode locking and negative dispersion to produce femtosecond pulses, with durations as short as 6 femtoseconds. AI generated definition based on: Encyclopedia of Modern Optics, 2005 ...
An electro-optical distance measuring instrument is described which has a resolution of 1mm and an accuracy of ± 2 mm for ranges up to 1.5 km. All possible sources of instrumental error are discussed in the paper and a detailed evaluation of these errors for the prototype instrument is ...
Standardized methods for measuring and recording data on smaller cetaceans. J. Mammal. 1961, 42, 471–476. [Google Scholar] [CrossRef] Cheney, B.; Wells, R.S.; Barton, T.R.; Thompson, P.M. Laser photogrammetry reveals variation in growth and early survival in free-ranging bottlenose ...
To describe the non-stationary three-dimensional structure of such beams one has to replace the retarded time t′ by the shifted time t′– r2/2cR, where R and r are the radius of wavefront curvature and the distance between the beam axis and the observation point on the wavefront. ...
Laser Monitoring System for Crossing Border Based on the Short Message Service A warning system applied to long-distance crossing-border monitoring by the technology SMS and IR(infrared) laser was introduced. Master station, which was... WJ Zhu,DQ Zhou,LJ Zhou - 《Journal of Physics Conference...
Ultrashort pulse laser drilling is a promising method for the fabrication of microchannels in dielectric materials. Due to the complexity of the process, there is a strong demand for numerical models (simulators) that can predict structures produced unde
In the research field of microwave radar, a range finding method based on standing wave is known to be effective for measuring short distances. In this paper, we focus our attention on audible sound and fundamentally examine the distance... T Uebo,T Kitagawa,T Iritani 被引量...
In order to monitor fluorescence, the 488 nm laser power was attenuated to 3 μW (in the plane of the optical trap) to avoid saturation of the detector with intense signals; the fluorescence emission (>505 nm) was steered directly onto a CCD (bypassing the grating in the spectrograph...
As used throughout this disclosure, the term “remote sensing” may include the measuring of properties of an object from a distance, without physically sampling the object, for example by detection of the interactions of the object with an electromagnetic field. In one embodiment, the electromagne...