Replacing optical surfaces with gradient index functions which preserve ray trajectory.
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DOI: 10.1364/ol.449210
Abstract: Laws of reflection and refraction between homogeneous media and gradient index (GRIN) ray behavior are both derived from Fermat's principle. Design methods for GRIN can be difficult to analytically develop. This Letter proposes a foundation… read more here.
Keywords: index; optical surfaces; replacing optical; gradient index ... See more keywords
Measurement of the Aspherical Optical Surfaces with the Improved Phase Retrieval
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DOI: 10.3390/mi13040549
Abstract: In order to verify the estimated wave-front ability of the phase retrieval, a method utilized in the measurement of the aspherical optical surfaces using the phase retrieval technology is described. This technique is based on… read more here.
Keywords: optical surfaces; phase retrieval; aspherical optical; phase ... See more keywords
CVD Deposited Epoxy Copolymers as Protective Coatings for Optical Surfaces
Sign Up to like & getrecommendations! Published in 2023 at "Polymers"
DOI: 10.3390/polym15030652
Abstract: Copolymer thin films of glycidyl methacrylate (GMA), ethylene glycol dimethacrylate (EGDMA) and 2,4,6,8-tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane (V4D4) were synthesized via initiated chemical vapor deposition (iCVD) as protective coatings for optical surfaces. Chemical durability in various solvents, corrosion resistance,… read more here.
Keywords: coatings optical; optical surfaces; deposited epoxy; cvd deposited ... See more keywords