Shvabe JSC develops and manufactures optical laser systems and systems, optical materials and technologies, medical equipment, energy-saving lighting, and other high-tech products. The company focuses on the development and production products for astronomy. It offers threaded gratings and echelle products, reflecting flat threaded gratings, holographic optical elements, reflective holographic diffraction gratings, threaded reflecting concave diffraction gratings, transmissive holographic diffraction gratings, skip volume-phase holographic gratings, reflecting optical coatings, interference filters, linear and circular tunable narrow-band filters, narrowband hologram filters, threaded gratin...