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Topcon Corporation acquired Advanced Grade Technology in 1995 and became known as Topcon Laser Systems. In August 2000, Topcon acquired JPS Inc., of San Jose, California, a provider of precision GPS and GPS/GLONASS products. With the introduction of a series of positioning products, Topcon Laser Systems grew, and consolidated the survey ...
It is published by Wiley-VCH and contains reviews and original papers/letters. The journal was established in 2007 by the founding editor-in-chief Theodor W. Hänsch (Ludwig Maximilian University of Munich). Originally, the journal only published review articles. Since 2012, it also contains original papers and letters.
For scams conducted via written communication, baiters may answer scam emails using throwaway email accounts, pretending to be receptive to scammers' offers. [4]Popular methods of accomplishing the first objective are to ask scammers to fill out lengthy questionnaires; [5] to bait scammers into taking long trips; to encourage the use of poorly made props or inappropriate English-language ...
A ring laser gyroscope (RLG) consists of a ring laser having two independent counter-propagating resonant modes over the same path; the difference in phase is used to detect rotation. It operates on the principle of the Sagnac effect which shifts the nulls of the internal standing wave pattern in response to angular rotation.
Much laser engraving is sold as exposed brass or silver-coated steel lettering on a black or dark-enamelled background. A wide variety of finishes are now available, including screen-printed marble effects on the enamel. Anodized aluminum is commonly engraved or etched with CO 2 laser machines. With power less than 40W this metal can easily be ...
The laser receiver detects the height of laser plane with an array of photo diodes, generally a series of photo diodes in 9" strip with a gap between diodes equal to the width of the beam. the receiver reads the height with the sensors and convert to a usable analog or digital signal and sends to the machine control unit. Modern systems use CAN ...
A former CIA counterterrorism chief is the latest to back President-elect Donald Trump’s nominee for director of national intelligence, Tulsi Gabbard. “She has the right experience ...
As the common visible-light laser transitions between electronic or vibrational states correspond to energies up to only about 10 eV, different active media are needed for X-ray lasers. Between 1978 and 1988 in Project Excalibur the U.S. military attempted to develop a nuclear explosion-pumped X-ray laser for ballistic missile defense as part ...
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