Luyện thi THPT QG 2017
Đo lường quang học P12
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Đo lường quang học P12
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Computerized Optical Processes For almost 30 years, the silver halide emulsion has been first choice as the recording medium for holography, speckle interferometry, speckle photography, moir´ and optical e filtering. Materials such as photoresist, photopolymers and thermoplastic film have also been in use. There are two main reasons for this success. In processes where diffraction is involved (as in holographic reconstruction), a transparency is needed. The other advantage of film is its superior resolution. Film has, however, one big disadvantage; it must undergo some kind of processing...
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