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Refractive Index

Refractive Index news and technical articles from Laser Focus World. Search Refractive Index latest and archived news and articles

  1. TELECOM FIBER: Optical-fiber refractive -index measurement takes a new direction

    Article

    Fri, 1 Jul 2011

    … based techniques allow the refractive - index profile of an optical fiber itself ..... knowledge of an optical fiber’s refractive - index profile (RIP) is critically ..... cleaved fiber sample and the refractive index is determined from the amplitude …

  2. TELECOM FIBER: Optical-fiber refractive -index measurement takes a new direction

    Print

    Fri, 1 Jul 2011

    … based techniques allow the refractive - index profile of an optical fiber itself ..... knowledge of an optical fiber’s refractive - index profile (RIP) is critically ..... cleaved fiber sample and the refractive index is determined from the amplitude …

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  1. OPTOFLUIDICS: Nanolaser becomes a refractive -index sensor

    Article

    Tue, 1 Jul 2008

    Measuring the change in refractive index of a liquid induced by the ..... depends on the accuracy of the refractive - index sensor. In addition, testing ..... relatively simple. One approach to refractive - index sensing relies on a resonant …

  2. IMAGING: Tomographic imaging reveals PC fiber refractive -index distribution

    Print

    Sat, 1 Sep 2007

    … three-dimensional (3-D) refractive - index distributions of objects such ..... successfully reconstruct the refractive - index distribution of a complex PC ..... effects in reconstructing the refractive - index profile for PC fibers. In …

  3. CRAIC Technologies automated system determines refractive index of glass trace evidence

    Article

    Thu, 18 Aug 2011

    … the Smart Way to Determine the Refractive Index of Glass Trace Evidence rIQ™ is designed to determine the refractive index of glass quickly, accurately ..... rIQ™, which stands for Refractive Index Quantification, is the result …

  5. Zero-refractive -index metamaterial at IR wavelength engineered at Columbia University

    Article

    Tue, 26 Jul 2011

    … simultaneous phase and zero- refractive - index observations have been made on ..... observed a metamaterial with zero refractive index ," said Kocaman. "What we ..... known materials have a positive refractive index . By sculpturing these artificial …

  6. OPTICAL MEASUREMENT: OCT technique measures bulk refractive index

    Article

    Mon, 1 Dec 2008

    … established for measuring the refractive index of homogeneous transparent materials ..... treatments can easily modify refractive index . Building on the application ..... angles of incidence, the phase refractive index of the material can be measured …

  7. Holey structure has refractive index of -2 in the near-IR

    Print

    Thu, 1 Dec 2005

    … creation of a functional negative- refractive - index optical metamaterial for use ..... layer, exhibits a negative refractive index around 2 µm that reaches -2 ..... structure. To determine the refractive index -both real (which determines …

  8. Refractive -index profile is measured nondestructively

    Print

    Fri, 1 Jul 2005

    … standard for the determination of refractive - index profiles for axially symmetric ..... technique that determines fiber refractive - index profiles based on imaging phase ..... can be applied to obtain the refractive - index variation of the optical fiber …

  9. Prism coupling measures refractive index of GaN compound semiconductor

    Print

    Fri, 1 Nov 2002

    … such accurate measurements of refractive index has not been easy, however ..... aluminum calibration with the refractive index and birefringence, which we measured ..... using ellipsometry to measure refractive index ," Sanford said. "Although …

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