DENVER — If you're hoping for a break from this summer-like weather, you'll have to wait a few more days: More record heat is on tap for both today and tomorrow. Temperatures will be in the low 80s ...
Abstract: Sapphire fiber can withstand temperatures of around 2000 °C, but it is multimoded, giving poor precision sensors. We have demonstrated a single-mode sapphire fiber Bragg grating temperature ...