Optran Ultra silica fiber has NAs of 0.37, 0.44, and 0.53. Applications range from industrial spectroscopy to laser welding, from medical sensing to delivering photodynamic therapy. Along with the company's Optran Plus Fiber, they provide spectral transmission from 350 to 2200 nm. The fibers are manufactured using a proprietary PCVD process.
CeramOptec , East Longmeadow, MA