Optical Filter Glasses: Known For Its Selective Absorption

Glasses, used in expensive and sensitive products like eyeglasses

, camera lenses, microscopes, telescopes, and many other instruments that used in factories and laboratories are known as Optical glass. By using pure raw materials, optical glass suppliers can provide us superior quality and almost flawless optical glasses. Extra care is required to manufacture optical glass which makes it pricey as compared to other kinds of glass available today. Optical filter glasses from advanced optics division are usually used in medical, imaging, inspection and industrial applications. It has become essential components in transmitting and blocking some particular spectral ranges, and usually used in many application areas like regulation, industrial measurement, control technology, research and development, analytical measurement methods in production, environmental protection, medicine and military. As we know that optical filter glass are used for many applications in science and industry. And today, they have become an industrial standard and are essentially needed for a variety of technical applications and for professional research.

These types of glasses are created by using processing unrefined raw optical filter glass material, rolled sheets or block raw materials. Optical filter glasses are known for its selective absorption in the visible wavelength range. If their filter affects deceit within the visible light spectrum, the optical color filters appear to be colored. In order to build up a variety of colored glass filters, some excessive filter properties, in the largest possible spectral area with different concentrations and many different base glasses have been developed. The variety of glass filters is not limited to few standard sizes and thicknesses. They can be created as per individual requirement. optical glass filters are produced and supplied in various thicknesses ranging from 1 mm to 400 mm depending on raw glass size. And, by merge different filters together we can obtain extra filter effects. The polished and cut filters can be tough for particular applications. Optical glass filter can be used as substrates for thin film coating to produce interference filters.

Optical glass filter can be customizes according to the customer's specifications, according to ISO 10110 and according to MIL specifications. For instance, spectral specifications up to 1 nm accuracy, Optical density: from 0 to 6, spectral range from 250 nm to 3200 nm, thickness tolerance: up to 0.001 mm, polish: P3 or P4, etc. Spectral values of glass should be measured by a spectrophotometer while fitting error measurement is completed with an interferometer.

by: moore moore carol carol

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