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Related Concept Videos

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As leveling involves measuring vertical distances relative to a horizontal line of sight, it requires a graduated rod, called a level rod, for vertical measurements and an instrument called a level for a horizontal sight line. A level includes a high-powered telescope with a mechanism for leveling to ensure the line of sight is horizontal when the bubble in the spirit level is centered. Leveling rods, made of wood, metal, or fiberglass, are graduated in feet or meters and commonly used in two-...
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High-speed Particle Image Velocimetry Near Surfaces
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Published on: June 24, 2013

True vertical laser.

K W Billman, E T Leonard, M A Yaffee

    Applied Optics
    |January 23, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A novel laser setup uses a mercury mirror for vertical alignment. This configuration enables precise alignment of vertical structures using a stable laser beam.

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    Area of Science:

    • Optics and Photonics
    • Laser Technology

    Background:

    • Traditional alignment methods can be complex and prone to error.
    • The need for precise vertical alignment is critical in various industrial and scientific applications.

    Purpose of the Study:

    • To introduce a new laser configuration for vertical alignment.
    • To demonstrate the efficacy of a mercury mirror in a laser system for this purpose.

    Main Methods:

    • A novel laser cavity design incorporating a mercury mirror as a reflector.
    • Experimental setup for vertical laser orientation and beam emission.

    Main Results:

    • Successful lasing was achieved when the laser was oriented vertically.
    • The generated laser beam proved suitable for precision alignment tasks.

    Conclusions:

    • The mercury mirror laser configuration offers a viable solution for precise vertical alignment.
    • This innovative approach simplifies the alignment of vertical structures.