Sodium Mica (Paragonite)
Ophir Optics lenses for LWIR FPA's are available in focal lengths ranging from 4.0mm to 342mm including zoom lenses, multiple field of view, fixed focal length lenses, manual focus lenses, and motorized focus lenses
LWIR series is a range of long-wave infrared lenses specifically designed to operate in the 8-14 μm wavelenght region with uncooled detectors
Lwir Lens,Night Vision Camera Lens,Ir Imaging Lenses,Thermal Camera Lwir Lens Changchun Ruiqi Optoelectronics Co.,Ltd , http://www.ruiqi-optics.com
Mica is an aqueous sodium sodium aluminosilicate is mica, muscovite and symbiotic often, and it can be distinguished from its physical properties, mica difference between the two lies in their chemical composition. In the sodium mica, sodium ions occupy the structural position of potassium in the muscovite.