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  • Fundamentals of Lasers
    reflecting mirror in the assembly. This light can be used for a variety of applications. The beam divergence is the specification that defines how much the beam spreads out over distance. Beam divergence is defined by the full angle. In diodes beam divergence is specified with two values because
  • Found Art: Images On The Web
    works: A scanner shines a bright light onto the target image, one line at a time. The reflected light is converted to specific voltages, which in turn, are converted into digital values --the unique set of 1s and 0s. Today's desktop scanners are relatively cheap, typically selling for less than
  • Unified Optical Scanning Technology - Preface
    What is Optical scanning? Let me offer a definition. Optical scanning is a systematic articulation of light to provide information transfer. Then, what is information? Consider that it means simply organized knowledge. What were the first optical scanning innovations? Semaphores? Or, how about
  • Share Your True Colors
    in the quality control process. Differences in gloss levels, for instance, can easily translate into costly rejections, particularly in darker colors. The opacity of the colorant and the surface onto which it is adhered (the substrate) can do the same. The light source also affects color sensation

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