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echelle grating

   Also found in: Wikipedia 0.01 sec.
echelle grating [ā′shel ‚grād·iŋ]
(spectroscopy)
A diffraction grating designed for use in high orders and at angles of illumination greater than 45° to obtain high dispersion and resolving power by the use of high orders of interference.


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LNL's first products will be based on its exclusive echelle grating WDM technology developed by the National Research Council (NRC) of Canada.
 
 
 
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