Alpha 7 Technologies Inc, 3732 N Kenmore Ave, Apt 1, Chicago, IL 60613, US

Founded in 1933, Karl Lambrecht Corporation specializes in fabricating optical components made of birefringent crystals of calcite, quartz, magnesium fluoride, mica, and many more. The company makes available a wide range of products, such as calcite/magnesium fluoride/crystal quartz polarizers, retardation/mounting devices, scrambler, thin films and glass components. Karl Lambrecht Corporation fabricates several different polarization components of various apertures as standard catalog parts. The firm offers custom-made parts fabricated catering to the specifications provided through customers. It is located in Chicago, Ill.