Characteristics of F class optical glass

F class optical glass is transparent, allure and Physics ( the acme of the anatomy and achievement of a top amount of accord ), with specific and authentic optical constants. It can be disconnected into silicate, borate, phosphate, fluoride and sulfur admixture series. A avant-garde variety, mainly according to their refractive basis ( nD ) - Abbe amount (VD) map the area to classification. The acceptable nD>1.60, VD>50 and nD<1.60, all kinds of bottle VD>55 as a acme ( K ) glass, all the bottle as flint ( F ) glass. Acme bottle were about arched lens, flint bottle as a biconcave lens. Usually the acme bottle belongs to acrid borosilicate system, ablaze acme bottle belongs to the aluminum silicate, close acme and barium flint bottle acceptance to the alkali-free borosilicate system, the flint bottle a lot of accord to advance potassium silicate system. With the appliance fields of optical bottle widen ceaselessly, its varieties are consistently expanding, its agreement includes about all the elements in the alternate table. Its top superior quartz beach as raw material. Adding adapted accessories. Because of the attenuate apple has a top refractive index, low burning and acceptable actinic stability, can aftermath optical glass, acclimated in the accomplish of avant-garde camera, camera, telescope and added avant-garde optical lens.

F class optical glass advancement administration can change the optical glass, and about ashen administration changes in ultraviolet, arresting or bittersweet light. Optical bottle in the attenuated faculty refers to achromatic optical glass; optical bottle ambiguous aswell includes black optical glass, optical glass, quartz glass, laser radiation aggressive glass, ultraviolet and bittersweet optical glass, optical glass, bottle cilia acousto-optic, magneto-optical bottle and glass. Optical bottle can be acclimated in the accomplish of optical instruments in the lens, prism, mirrors and windows. Composed of optical bottle apparatus is a key aspect in optical instrument. Widely acclimated in telescope, microscope, gun aiming mirror, camera, motion-picture machine, barometer instrument, analyzer, the optical apparatus optical equipment. Including achromatic optical bottle ( usually referred to as optical bottle ), black optical glass, radiation aggressive optical glass, radiation aegis bottle and quartz bottle etc.. The development of optical bottle and optical instruments are inseparable. New optical arrangement ameliorate is generally put advanced new requirements to the optical glass, appropriately advance the development of the same, optical glass, balloon assembly of new varieties of bottle success aswell tend to advance the development of optical instruments.

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