India’s defense development agency demonstrated an indigenous, land-based, high-energy laser in a live shoot-down event of a fixed-wing drone on April 13. The Defense Research and Development ...

Abstract: A laser gas sensor with phase compensation in free space is designed based on a half-mirror and mixer in this study. The half-mirror is employed to split the returned beam into transmitted ...

The MEMS structure, fabricated using UV laser machining on a Pt-coated glass substrate, enabled precise and efficient integration of sensing and heating elements. The sensor demonstrated excellent ...