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When the exact working distance is much longer than expected, users would have to select high power laser engraving machine to achieve the desired result. At the same time, it is also very important to make full consideration of laser safety measures, thus finally achieve the best cross line alignment for all occasions in 24 hours continuous work.
Now, the long-standing goal of X-ray science appears to be edging ever closer, with the new ‘hard X-ray inner-shell atomic laser’ developed by Yoneda and his team. The researchers conducted initial tests on a design incorporating a copper foil medium bombarded by one Cat Chasing Laser Pointer pulse from an X-ray free-electron laser acting as a pump for the main laser.
The new 1000mw laser pointer red represents a significant step forward in the future of ultrafast X-ray spectroscopy and X-ray quantum optics. The team hopes it will soon be possible to commercialise the product as an highly coherent X-ray laser capable of producing high resolution and highly detailed images.
Using copper foil as a medium bombarded by two X-ray pulses of different energies produced by an X-ray free-electron 20mW Blue Violet Laser Pointer , researchers at the University of Electro-Communications in Tokyo have successfully created a powerful and highly coherent atomic X-ray laser with the shortest wavelength to date.
DIfferential Absorption LIDARis used to measure chemical concentrations (such as ozone, water vapor, pollutants) in the atmosphere. A LIDAR uses two different High power green laser pointers wavelengths which are selected so that one of the wavelengths is absorbed by the molecule of interest whilst the other wavelength is not. The difference in intensity of the two return signals can be used to deduce the concentration of the molecule being investigated.
LIDAR is used to measure the velocity of a target. When the light transmitted from the LIDAR hits a target moving towards or away from the LIDAR, the wavelength of the light reflected/scattered off the target will be changed slightly. This is known as a Doppler shift - hence Doppler LIDAR. If the target is moving away from the LIDAR, the return light will have a longer wavelength (sometimes referred to as a red shift), if moving towards the LIDAR the return light will be at a shorter wavelength (blue shifted).
