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Coherent, Inc., headquartered in Santa Clara, California is an American company that develops, manufactures and supports laser equipment and related specialty components. Coherent was founded in May 1966 by physicist James Hobart and five cofounders.
For instance, a coherent state describes the oscillating motion of a particle confined in a quadratic potential well (for an early reference, see e.g. Schiff's textbook [3]). The coherent state describes a state in a system for which the ground-state wavepacket is displaced from the origin of the system.
Coherent was founded as II-VI Incorporated in 1971 by Carl Johnson and James Hawkey. [5] [6] The name "II-VI" is a reference to the groups II and VI in the periodic table, since the company started its business by producing cadmium telluride (cadmium belongs to group II and tellurium belongs to group VI). [7]
The Urdu Wikipedia (Urdu: اردو ویکیپیڈیا), started in January 2004, is the Standard Urdu-language edition of Wikipedia, a free, open-content encyclopedia. [1] [2] As of 19 January 2025, it has 216,693 articles, 189,456 registered users and 7,469 files, and it is the 54th largest edition of Wikipedia by article count, and ranks 20th in terms of depth among Wikipedias with over ...
Urdu in its less formalised register is known as rekhta (ریختہ, rek̤h̤tah, 'rough mixture', Urdu pronunciation:); the more formal register is sometimes referred to as زبانِ اُردُوئے معلّٰى, zabān-i Urdū-yi muʿallá, 'language of the exalted camp' (Urdu pronunciation: [zəbaːn eː ʊrdu eː moəllaː]) or لشکری ...
To produce coherent light he passed the monochromatic light from an emission line of a mercury-vapor lamp through a pinhole spatial filter. In February 2011 it was reported that helium atoms, cooled to near absolute zero / Bose–Einstein condensate state, can be made to flow and behave as a coherent beam as occurs in a laser.
Download as PDF; Printable version; In other projects ... Pages in category "Urdu-language encyclopedias" The following 7 pages are in this category, out of 7 total ...
Second, Urdu-speakers do not from an ethnolinguistic group. An ethnolinguistic group is an ethnic group whose members primarily self-identify with the group based on the language they speak. Do Urdu-speakers form a coherent ethnic group? As far as I know, and as this article states, they make up quite diverse communities within India and Pakistan.