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  2. White light interferometry - Wikipedia

    en.wikipedia.org/wiki/White_light_interferometry

    Figure 1: Schematic layout of a White-light Interferometer. A CCD image sensor like those used for digital photography is placed at the point where the two images are superimposed. A broadband “white light” source is used to illuminate the test and reference surfaces. A condenser lens collimates the light from the broadband light source.

  3. BBB Reveals America's Most Complained-About Businesses - AOL

    www.aol.com/news/2012-03-02-bbb-reveals-americas...

    The Better Business Bureau just released some good news: In 2011, consumers consulted the BBB far more often than they did the year before, and they lodged fewer complaints. Surely that's a sign ...

  4. White light scanner - Wikipedia

    en.wikipedia.org/wiki/White_light_scanner

    A white light scanner (WLS) is a device for performing surface height measurements of an object using coherence scanning interferometry with spectrally-broadband, "white light" illumination. Different configurations of scanning interferometer may be used to measure macroscopic objects with surface profiles measuring in the centimeter range, to ...

  5. Better Business Bureau (BBB) complaints and accreditation ...

    www.aol.com/lifestyle/better-business-bureau-bbb...

    With a legacy of more than 100 years, the Better Business Bureau (BBB) is the go-to watchdog for evaluating businesses and charities. The nonprofit organization maintains a massive database of ...

  6. Optical coherence tomography - Wikipedia

    en.wikipedia.org/wiki/Optical_coherence_tomography

    Optical coherence tomogram of a fingertip. It is possible to observe the sweat glands, having "corkscrew appearance" Interferometric reflectometry of biological tissue, especially of the human eye using short-coherence-length light (also referred to as partially-coherent, low-coherence, or broadband, broad-spectrum, or white light) was investigated in parallel by multiple groups worldwide ...

  7. Interferometry - Wikipedia

    en.wikipedia.org/wiki/Interferometry

    Figure 1. The light path through a Michelson interferometer.The two light rays with a common source combine at the half-silvered mirror to reach the detector. They may either interfere constructively (strengthening in intensity) if their light waves arrive in phase, or interfere destructively (weakening in intensity) if they arrive out of phase, depending on the exact distances between the ...

  8. Better Business Bureau - Wikipedia

    en.wikipedia.org/wiki/Better_Business_Bureau

    The Better Business Bureau (BBB) is an American private, 501(c)(6) nonprofit organization founded in 1912. BBB's self-described mission is to focus on advancing marketplace trust, [2] consisting of 92 independently incorporated local BBB organizations in the United States and Canada, coordinated under the International Association of Better Business Bureaus (IABBB) in Arlington, Virginia.

  9. Better Business Bureau flags popular online boutique with ...

    www.aol.com/better-business-bureau-flags-popular...

    An online boutique which lists a fictitious address in Olathe has been flagged by the Better Business Bureau after dozens of complaints. Wrenley & Brynn, an online boutique with over 6,000 ...

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