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Glossary
  • mask 1. A framelike structure that serves to restrict the viewing area of the screen when placed before a television picture tube. 2. In photolithography, a photomask (or mask) is typically a patterned transparent plate or an opaque plate with...
holographic phase maskquartz phase maskphase platehigh precision phase diffraction gratingsoptical telecommunicationsfiber Bragg gratingsFBGsfiber opticsoptics
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