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2. Laser tracker - Wikipedia

   en.wikipedia.org/wiki/Laser_tracker

   The accuracy of laser trackers is of the order of 0.025 mm over a distance of several metres. [1] Some examples of laser tracker applications are to align aircraft wings during assembly [2] and to align large machine tools. [3] To take measurements the technician first sets up a laser tracker on a tripod with an unobstructed view of the object ...

3. VIEW Engineering - Wikipedia

   en.wikipedia.org/wiki/VIEW_Engineering

   VIEW Engineering's Logo, circa 1976 VIEW Engineering's Logo, circa 1996. While working as a physicist at Hughes Aircraft Company, Dick Hubach recognized a need for automated dimensional measurement systems, when he discovered that the cost to verify the correct manufacture of some aerospace components actually exceeded the cost to manufacture those components. [3]

4. Laser surface velocimeter - Wikipedia

   en.wikipedia.org/wiki/Laser_surface_velocimeter

   A laser surface velocimeter (LSV) is a non-contact optical speed sensor measuring velocity and length on moving surfaces. Laser surface velocimeters use the laser Doppler principle to evaluate the laser light scattered back from a moving object. They are widely used for process and quality control in industrial production processes.

5. Laser beam profiler - Wikipedia

   en.wikipedia.org/wiki/Laser_beam_profiler

   Laser machine shops care a lot about the M 2 parameter of their lasers because the beams will focus to an area that is M 4 times larger than that of a Gaussian beam with the same wavelength and D4σ waist width before focusing; in other words, the fluence scales as 1/M 4. The rule of thumb is that M 2 increases as the laser power increases.

6. List of measuring instruments - Wikipedia

   en.wikipedia.org/wiki/List_of_measuring_instruments

   In the past, a common time measuring instrument was the sundial. Today, the usual measuring instruments for time are clocks and watches. For highly accurate measurement of time an atomic clock is used. Stopwatches are also used to measure time in some sports.

7. Laser rangefinder - Wikipedia

   en.wikipedia.org/wiki/Laser_rangefinder

   A long-range laser rangefinder is capable of measuring distance up to 20 km; mounted on a tripod with an angular mount. The resulting system also provides azimuth and elevation measurements. A laser rangefinder, also known as a laser telemeter, is a rangefinder that uses a laser beam to determine the distance to an object.