Suprasil ® quartz, spectral range 200-2,500 nm, pathlength 10x10 mm, chamber volume 3,500 μL. Suprasil ® quartz, spectral range 200-2,500 nm, pathlength 10x10 mm, chamber volume 3,500 μL. Suprasil ® quartz, spectral range 200-2,500 nm, pathlength 10x10 mm, chamber volume 3,500 μL. optical glass, spectral range 320-2500 nm, pathlength