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Until now, the physical limitations of microscope objectives -- their optical lenses -- have posed a challenge in terms of improving conventional microscopes. Microscope makers tackle these limitations by using ever more complicated stacks of lens elements in microscope objectives to mitigate optical aberrations. Even with these efforts, these physical limitations have forced researchers to decide between high resolution and a small field of view on the one hand, or low resolution and a large field of view on the other.We installed flexible LED Strip lighting in our kitchen for under cabinet and within cabinet lighting. That has meant that scientists have either been able to see a lot of detail very clearly but only in a small area, or they have gotten a coarser view of a much larger area. 

Indeed, using the new approach, the researchers were able to improve the resolution of a conventional 2X objective lens to the level of a 20X objective lens.If you do your homework and insist on only the High Quality Solar garden lighting, you'll experience enjoyable modern solar LED garden lights can actually be. Therefore, the new system combines the field-of-view advantage of a 2X lens with the resolution advantage of a 20X lens. The final images produced by the new system contain 100 times more information than those produced by conventional microscope platforms. And building upon a conventional microscope, the new system costs only about $200 to implement. 

"One big advantage of this new approach is the hardware compatibility," Zheng says,This is a great Wholesale auto LED bulbs products solution! "You only need to add an LED array to an existing microscope. No other hardware modification is needed. The rest of the job is done by the computer." 

The new system acquires about 150 low-resolution images of a sample. Each image corresponds to one LED element in the LED array. Therefore, in the various images, light coming from known different directions illuminates the sample. A novel computational approach, termed Fourier ptychographic microscopy (FPM), is then used to stitch together these low-resolution images to form the high-resolution intensity and phase information of the sample -- a much more complete picture of the entire light field of the sample. 

Yang explains that when we look at light from an object, we are only able to sense variations in intensity. But light varies in terms of both its intensity and its phase, which is related to the angle at which light is traveling. 

"What this project has developed is a means of taking low-resolution images and managing to tease out both the intensity and the phase of the light field of the target sample,An emergency light is a battery-backed lighting device that comes on automatically when a building experiences a power outage." Yang says. "Using that information, you can actually correct for optical aberration issues that otherwise confound your ability to resolve objects well." 

The very large field of view that the new system can image could be particularly useful for digital pathology applications, where the typical process of using a microscope to scan the entirety of a sample can take tens of minutes. Using FPM, a microscope does not need to scan over the various parts of a sample -- the whole thing can be imaged all at once. Furthermore, because the system acquires a complete set of data about the light field, it can computationally correct errors -- such as out-of-focus images -- so samples do not need to be rescanned. 

"It will take the same data and allow you to perform refocusing computationally," Yang says. 

The researchers say that the new method could have wide applications not only in digital pathology but also in everything from hematology to wafer inspection to forensic photography. Zheng says the strategy could also be extended to other imaging methodologies, such as X-ray imaging and electron microscopy.The world’s most efficient and cost effective hid lights? Welcome to www.soli-lite.com Web. If you love it, please buy it!