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Owing to its high affinity for calcium, fluoride is mainly associated with calcified tissues. Its ability to inhibit, and even reverse, the initiation and ...

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Development and purchase costs are critical parameters when investing in the development of a lamp. The expected sales volume for the luminaire is the primary consideration.

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Light distribution is the primary function of your lamp. It is easy to find standard optics that provide circular or linear beams in different angles and sizes. On the other hand if you need an asymmetrical beam or one that must meet a specific standard, finding a suitable standard lens becomes more difficult.

Efficiency mainly refers to the ratio of lumens emitted by the optics in the desired beam area compared to the full lumen output emitted by the LED. Standard lenses can lose 30% to 80% more lumens than custom lenses—even products that claim to be efficient. Hence the value in using a custom optical design.

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The method of assembling the optics is also important. A custom optic can limit the number of components by integrating a mechanical part of your lamp such as a joint, for example, or reduce assembly time with judiciously placed clips. This can translate into significant savings in the long run, depending on production volumes. When designing optics, we are able to simulate the influence of these additions on photometry and remove or reduce them if necessary.

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Depending on the characteristics of your LED source lamp, custom-made optics can make a major or even essential contribution to the success of your luminaire in a competitive technological market. Furthermore, at a certain sales volume, a custom lens allows you to reduce the cost of your product compared to ones using standard optics.

Welcome to the Multi-span Beam Calculator, a free online beam calculator to generate shear force diagrams, bending moment diagrams and deflection curves for ...

2021627 — Focus by wire or electronic focus has better autofocus performance because the elements are not coupled to the mechanics of the outer barrel.

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Dec 27, 2010 — It's the field of view that matters. If I stuck a 50mm lens on a Sony Ex3 my magnification (or crop if you want) would be about 5.2x giving me ...

In the summer of 2019, CPMA surveyed members of the Plastics Packaging Working Group on the usage of plastic materials for produce packaging.

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by M Mateen · 2009 · Cited by 2 — In this tutorial we will concentrate on building a motorized linear translation stage. Purchasing ready‐ made motorized linear stages can be very expensive, for ...

For example, for the above example of 70cm of lensing (dioptric of 1/.7) I calculate a maximum power input of 25 watts of input power. But on ...

Aug 14, 2023 — Buy SHNITPWR AC Adapter 120W Universal Power Adapter 3V 5V 6V 9V 12V 15V 18V 19V 20V 24V Adjustable Switching Power Supply 100V~240V AC to ...

Norland manufactures different products including ultraviolet curing optical adhesives, UV curing electronic adhesives, fiber optic equipment, and fish gelatin.

201815 — In a dispersive medium, like glass, the exact value of the refractive index depends on the wavelength of the light entering the glass, ...

What also makes research difficult is that each LED model has its own light emission. The “rayset”, which describes how each ray comes out of the source, is specific to each LED model—kind of like fingerprints. An optic may work very well for a certain LED model, but will not do so or will do so with losses for another LED model of equivalent size and power. This can therefore limit your choice of manufacturers and LED models and could prevent you from accessing better prices.