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2. 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.

3. 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 ...

4. 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]

5. Laser Doppler vibrometer - Wikipedia

   en.wikipedia.org/wiki/Laser_Doppler_vibrometer

   A vibrometer is generally a two beam laser interferometer that measures the frequency (or phase) difference between an internal reference beam and a test beam. The most common type of laser in an LDV is the helium–neon laser, although laser diodes, fiber lasers, and Nd:YAG lasers are also used.

6. Lidar - Wikipedia

   en.wikipedia.org/wiki/Lidar

   Lidar (/ ˈ l aɪ d ɑːr /, also LIDAR, an acronym of "light detection and ranging" [1] or "laser imaging, detection, and ranging" [2]) is a method for determining ranges by targeting an object or a surface with a laser and measuring the time for the reflected light to return to the receiver.

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!