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Sys. no.   000890074
Topical Term    Neutral density filters
  ‫  מסנני צפיפות ניטרליים
S.F. Topical Term    Attenuance filters
   Attenuators (Optics)
   Filters, Neutral density
   Gray filters
   Neutral filters
S.A. Topical Term    Light filters
Source Data Found   Work cat.: Yildirim, A. Processor control for neutral density filter controller, 2003: leaf iii, abstr. (Although there are a variety of different neutral density (ND) filters available commercially, the filter developed during the present study simplified the experimental setup ....)
  McGraw-Hill dictionary of scientific and technical terms, 2003 (neutral-density filter; an optical filter that reduces the intensity of light without appreciably changing its color; also known as gray filter; neutral filter)
  Melles Griot glossary, via WWW, Dec. 3, 2004 (Neutral density filter - Neutral-density filters attenuate, split, or combine beams in a wide range of irradiance ratios with no significant dependence on wavelength. These filters find wide application for precise attenuation or control of light)
  IUPAC compendium of chemical terminology, via WWW, Dec. 3, 2004 (Attenuance filter; an optical device (filter) which reduces the radiant power of a light beam by a constant factor over all wavelengths within its operating range. Sometimes called attenuator or neutral density filter)
  Chambers dictionary of science and technology, 1999: (neutral density filter ... one which attenuates all colours uniformly so that the relative spectral distribution of the energy of the transmitted light has been unaltered)
Alma MMS ID   987007535136205171
 
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