Practical Information
Updated:  Monday, December 14, 2015 04:46 AM

  • Electro Optics Center -- links and other information.  A catalog of optical parts, emitters, light detectors, laser diodes, and key components will soon be online. represents 30 years of collecting material and thoughts of our publisher, David A. Johnson, P.E.     Please surf and visit often.  New material are added regularly. -- Jan Johnson, Editor


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