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Leo Turpin | leoturpin

Sapphire and Ruby Ball Lenses To Be Chosen With Great Care

Nov 10th 2014 at 8:36 AM

There are many industrial applications that make use of spinel, sapphire or ruby ball lenses on account of the many useful properties these materials possess. The most common applications of these lenses are in fiber optic connectors where they enable different types of coupling with extremely high precision. Other applications include bar code readers, rotameters, metrology equipment and flow meters. As such, there is immense demand for these ruby or sapphire ball lenses because they are extremely durable being very hard and non-reactive. They can withstand environmental and thermal shock as well as exposure to many corrosive substances. All these features in addition to their resistance to wear ensure that they can be used for a very long time.

Manufacturers that make use of ruby, sapphire or spinel ball lenses should always select them with a great deal of care in order to ensure optimum performance. These components are available in a very wide range of materials and buyers can therefore easily find the components that suit their needs perfectly. Most companies offer ball lenses in a wide range of stock sizes starting from 0.15 mm diameter and going all the way to 50 mm diameter. Some customers require high index glass ball lens for short back focal length which simplifies fiber coupling whereas others demand Low TG ball lens which are needed for precision molding without the chance of devitrification during the molding process.

These lenses are also available in many different grades and are chosen according to the level of precision required. Customers also look for lenses that have high refractive index because this ensures that spherical aberration can be reduced to the very maximum level. Many buyers even require these lenses to have special coatings which reduce reflection of light, thereby improving connectivity. If the particular application requires IR and UV transmission then special lenses made of sapphire or quartz can be used to great effect.

Buyers need to have a clear understanding of their needs before they place an order for ball lenses or half ball lenses from a manufacturer. In case the manufacturers’ stock products will not fit the bill then they should seek out a company that will make customized ball lenses for them in order to ensure optimum performance of the equipment they are part of. If possible, the buyer should have detailed discussions with the manufacturer to create the most suitable product.

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