The Laser Pointer Prank
How much beam power is appropriate? What is the minimum power for this application? Therefore, since geese usually appear during the day, you need a laser that is visible to them and yourself during the day. Usually, the minimum green 200mW is a starting point, and the brightness is just enough to be used in the daytime. On sunny days, any power below 200mW will be washed away. However, the higher the power, the better. The laser pointer is a small pen-shaped handheld device that uses a power source (usually a battery) and a diode laser to produce a coherent monochromatic beam. Laser pointers are mainly used to highlight points of interest by using strong colored light beams. A typical low-end laser pointer with a key chain is nothing more than a strong light LED to ensure safety.
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Laser experts agree that laser pointers should not be used for pranks. It's not just school children who discover the prank use of high powered laser pointers. A man in Florida was arrested for scanning the ground near the off-duty police, for which he paid the price for the prank. The Laser Institute of America also received reports that someone irradiated athletes with laser pointers during sporting events and while driving. To reconstruct objects from speckle patterns, the researchers used an AI algorithm trained on synthetic data of characteristic noise, thereby eliminating the need to capture experimental training samples. Co-author Prasanna Rangarajan explained that it is vital that it can perform real-time imaging with a shorter exposure time.
2021-11-29 12:36:17
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