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optical mode |
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optical mode [′äp·tə·kəl ‚mōd] (solid-state physics) A type of vibration of a crystal lattice whose frequency varies with wave number only over a limited range, and in which neighboring atoms or molecules in different sublattices move in opposition to each other. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In this variant, which is the inverse of the normal magnetic mirror effect whereby energy is transferred from the longitudinal to the transverse mode when a charged particle is transported into a region of high magnetic field, nearly all the transverse energy is transferred into the longitudinal mode, an effect described as adiabatic focusing or collimation. This VCSEL was engineered to provide a laser diode with a single longitudinal and a single transverse mode, which, in contrast to most oxide-based single-mode VCSELs, remains in single-mode operation over a wide range of output power. 03 785-100 SM is a high power single transverse mode laser featuring 100 mW of SM power, ideal for Raman microscopy |
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