Optical sensor for selective detection of substances and/or for the detection of refractive index changes in gaseous, liquid, solid and porous samples

  • US 4,815,843 A
  • Filed: 01/27/1987
  • Issued: 03/28/1989
  • Est. Priority Date: 05/29/1985
  • Status: Expired due to Term
  • LCA
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