Inprentus
ManufacturingIllinois, United States11-50 Employees
Inprentus is a manufacturing company located in Champaign, Illinois, with 11-50 employees. It specializes in advanced manufacturing of precision optics using proprietary nano-scale contact-mode lithography techniques. The company has developed methods for producing mechanically ruled blazed diffraction gratings for augmented reality waveguides as well as synchrotron, free-electron laser, and laser applications, with blaze angles under 1 degree. Its diffraction grating products target AR optics, spectrometers, monochromators, and laser instrumentation. Recent activity includes the March 2026 launch of curved diffraction gratings, a January 2026 NASA SBIR Phase III contract, and a October 2025 contract with Brookhaven National Laboratory to provide UHV-compatible soft X-ray variable line spacing blazed gratings for the INSPIRE energy loss spectrometer on the IOS beamline.