2016523 — This company has launched a high R.I. ultraviolet (UV) and visible light curable optical adhesive NOA 170 (R.I. 1.70).

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Careful design with the rope that you can put around your neck if you finish looking. Made of premium material, it is very durable and practical.

Convenient to carry when you are out and about traveling because of its portable design. Ideal for fishing, bird watching, hiking, traveling, and other outdoor activities.

Why is it that for infrared energy levels are available (mechanical?) that apparently are not available for higher energy visible light?

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Our FC-PC connector features a NOD spacer element for greater reliability and ease of assembly. We also provide an FC fiber coupling adapter family to support ...

Nov 15, 2018 — History of Anti Reflective Coatings. The first, and simplest, type of AR coating was discovered in 1886 by British Physicist and Nobel Prize ...

Why does that happen while it doesn't happen for visible light? I think that for high frequencies electronic energy levels are available to absorb light, and that their unavailability for light in the visible range made glass transparent.

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These simple binocular glasses have given me a wonderful experience. I am 85 years old and suffer from Wet Macular Degeration which did not allow me to identify my Grandsons when they were playing football at the far end of a football oval. Thank you!

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In isolated molecules you get nice sharp vibrational transitions (with rotational structure as well) but in solids the interaction with the lattice tends to broaden out the absorption lines. You'll find numerous articles on IR spectroscopy of silica glass, for example this one though it's behind a paywall. As DumpsterDoofus comments, you get absorption due to hydroxyl and/or water, but you also get absorption due to various stretching modes of the Si-O-Si lattice.

Gaussian Quadratures for numerical integration, including Gauss-Legendre, Gauss-Chebyshev, Gauss-Hermite, and Gauss-Leguerre formulas.

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I was under the impression that glass was transparent to light with a wavelength above ultraviolet, but when playing with my latest toy, an infrared thermometer which brought up a question I asked here before, expecting to be able to measure temperature via a mirror, I found that it would essentially just give me room temperature (or mirror temperature), at most slightly more, while via a piece of shiny metal I was able to measure the temperature of the object of interest (at most slightly less).

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UV Laser is also known as Cold Laser marking. It is a special type of laser used in various materials. Its wavelength is between 150-400 nm. | Markolaser.

Nd:YAG (neodymium-doped yttrium aluminium garnet) lasers are a type of solid-state laser that use a crystal as the laser medium. These lasers emit a ...

So optical fiber also includes an outer layer, or cladding, made from a different glass composition. The cladding material has a low refractive index designed ...

In solids you don't often get rotational spectra because the molecules usually aren't free to move without interacting with the lattice, so you tend to get electronic transitions in the uv and vibrational transitions in the IR. It's probably not coincidence that there is frequently no absorption at visible wavelengths because we wouldn't have evolved eyes if there was.

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This cable is also backwards compatible with USB 2.0 devices and computers. This USB cable connects a computer or hub to a USB 3.0 peripheral such as a printer, ...

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If it were the case that either most infrared radiation were transmitted or reflected I think I would be able to measure the temperature of the object, so I suspect that most heat radiation was absorbed.