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NOBLEX E-Optics GmbH, formerly Docter Optics, is a German manufacturer of optics, including binoculars, rifle scopes, spotting scopes, red dot sights, flashlights and reading glasses. Its headquarters are in Eisfeld, Thuringia, Germany, where most of the products are developed and manufactured. Docter is part of the Analytik Jena Group. [1]
The Journal of Modern Optics is a peer-reviewed scientific journal that was established as Optica Acta in 1954. It obtained its current name in 1987 and is published by Taylor & Francis with 21 issues per year. The journal covers most branches of classical and quantum optics including lasers, diffraction, holographs, nonlinear optics, and ...
Zemax is a software program used for designing and simulating optical systems. It is widely used in the field of optics and photonics for designing and analyzing the performance of lenses, cameras, telescopes, microscopes, and other optical systems. With the software, the behavior of light interacting with various optical components can be ...
Advanced Optical Materials is a monthly peer-reviewed scientific journal published by Wiley-VCH.It was established in 2013, after a section with the same name had been published since March 2012 in Advanced Materials.
Advances in Optics and Photonics is a monthly peer-reviewed scientific journal published by Optica. It covers review articles and multimedia tutorials on significant advances in optics and photonics. Its editor-in-chief is Guifang Li (University of Central Florida). [1] According to the Journal Citation Reports, the journal has a 2023 impact ...
••Snellen's near chart (1/17th reduction of distant chart)-do-; standard chart of alphabets; video link •Colour vision: to test colour vision ••Ishihara's chart: to determine the type of colour blindness Stenopaeic slit: detection of axis of the cylindrical (astigmatism) power of the eye; glaucoma testing Implants - •Intraocular lens
Once the cut is clean (assuming it isn’t bleeding profusely — more on that in a moment), Hall says you can “apply a thin layer of petroleum jelly like Vaseline or Aquaphor.”
The red rays bounce off both the top and bottom surface of the high index medium. They're guided even if the slab curves or bends, so long as it bends slowly. This is the basic principle behind fiber optics in which light is guided along a high index glass core in a lower index glass cladding (Figure d).