The uniformity of the CPC in the f/4 beam is not nearly as good as that of the ?i/?o concentrator in the f/4 beam. 2 Notation and Conventions The tolerance stacking problem arises because of the inability to produce parts exactly according to nominal. For this reason the method of risk calculations are discussed in detail, where appropriate. The uniformity of the gold-coated ?i/?o concentrator measured with a nearly collimated HeNe laser beam is not nearly as good, due in part to the imperfect reflectance of gold. the assembly stack distribution is signicant when operating at one of the two worst possible assembly mean shifts. The spatial uniformity of the ?i/?o concentrator measured with an f/4 beam diverging from a circular aperture is 1.2% across the central 4 mm of the entrance aperture of the concentrator, and demonstrates the use of this type of concentrator for effectively maintaining high throughput when using small-area (<2-mmdiam) detectors in applications requiring small fields of view.
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Organize your documents and let PDF Stacks automatically manage your PDF files. Register rsp is used as the stack pointer, a pointer to the. With PDF Stacks, you can organize, find and browse, search, annonate and share your collection and library of PDF files and research and journal articles with a single click. The latter consists of a parabolic section followed by a cone section to restrict the divergence angle of the exit beam. rbp, and r12-r15 are callee-save registers, meaning that they are saved across function calls.
The comparison is made between a compound parabolic concentrator (CPC) and a ?i/?o concentrator. The spatial uniformity of two nonimaging concentrators is measured, each with a silicon photodetector positioned immediately behind the concentrator.
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