Laser applications

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    of a ruby laser beam via a quartz crystal by Franken et al,1 borate materials have been widely studied to employ in the potential applications such as nonlinear optics (NLO) and laser (mainly in visible and UV light) engineering.2, 3, 4, 5 Materials with NLO properties are useful for generating new frequency laser sources that cannot be directly produced from the common laser sources.2 Consequently, NLO materials have enabled a wider range of frequencies produced from the available laser. Borate materials

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    Microscopy Essay

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    The resolution of optical microscopes is fundamentally limited by the diffraction of light, as postulated by German physicist Ernst Abbe in 1873. This means that a microscope cannot distinguish two objects located closer than λ/2NA, where λ is the wavelength of light and NA is the numerical aperture of the imaging lens (2). Although elucidation of cell functions and subcellular processes has benefited from advances in fluorescent microscopy, this diffraction limit has fundamentally hindered optical

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    Wireless Sensors Essay

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    temperature, sound, pressure, noise etc. We have come along with lots and lots of services in Industrial monitoring, health care monitoring, and environmental monitoring using WSNs. I came across an interesting journal of Intelligent Parking Lot Application using Wireless Sensor Networks by Sangwon Lee, Dukhee Yoon and Amitabha Ghosh, 2008. The writers[1] has criticized lots of journals where people tried using a different kind of sensors like magnetometers, video cameras, microphones, motion detectors

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    A study on the correction of short and long-sighted by LASIK eye surgery Introduction LASIK Eye Surgery (LASIK for the rest of the essay) is short for Laser-Assisted-In-Situ-Keratomileusis Eye Surgery. Nowadays, as the rapid development and the strong advocating of the LASIK, there are more than 100 thousand people in China take the LASIK every year. Although it provides a huge benefit to those people wearing glasses, some people still think LASIK as the damage to our eyes. In my opinion, LASIK outweighs

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    Introduction Free Space Optics is an advance technology used to transmit data from one point to another using light a medium. This technology has emerged in 1960’s and has been advanced day by day. This has become the advanced and mostly used because of the data rates and the bandwidths provided by this type of communication. This is now mostly used for connecting different LANs and also used in satellite communication. There are many wireless technologies like Bluetooth, infrared and many others

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    Contents Introduction 5 Literature review 5 History background 5 Application 6 Theory and Issues 7 Design and issues 7 Advantages 8 Disadvantages 8 Conclusion 9 References 9 Introduction Communication has always been one of the essential needs of humanity. In the past 20 years, communication systems have developed drastically in a small amount of time, as a result of the creation of Internet, the use of communication systems has been enhanced, allowing our modern technologies

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    During my childhood days, every single time it rained, I would wait just to hear the thunder. Every lightning strike was so powerful with its terrifying sound, yet it worked with the same principle that explained the bits of paper clinging to a charged fur cloth rubbed on a cat. It was very enchanting for me to learn that all the extreme and massive events which took place could be explained by the same laws which govern our daily experiences. Learning physics would unravel the nature of these events

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    Essay On Bone Repair

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    Trelles et al.1 examined the characteristics of bone repair using low energy laser after bone fracture fractures in the tibia of mice. histologically via controlling its reparation after exposure to 632 nm laser in doses of 2.4 Joules in one point was used. The radiation was directly applied to the area of fracture through the application of 12 treatments , they used a single treatment every second day, by optic microscope they observed, in the treated animals, a drastic increase in vascularisation

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    Laser Hair Removal

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    Laser Hair Removal There is something almost unnerving about constantly having to shave, pluck, and wax unwanted hair from your body. It is a waste of time when you consider that the hair always grows back, forcing you to go through the entire process again. Unwanted hair is one of the most common problems we see at the Center for Dermatology and Cosmetic Laser Surgery. Fortunately, laser hair removal can eliminate the problem once and for all. Our patients from McKinney, Plano, Flower Mound, and

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    What is Low-E Glass? According to the educationcenter.PPG.com (1), “Glass is one of the most popular and versatile building materials used today.” A big reason is because of its solar and thermal performance. And one way these efficiencies are achieved is through the use of passive and solar controls in the coatings of the glass. As with anything, there is a reason we do and a reason we don’t do something. Low-E glass is no different. There is pros and cons to doing this treatment to your building

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