Abstract: Using a glass-clad Ti:sapphire crystal fiber (CF) as the gain medium, we demonstrate for the first time a diodepumped, 25-mW tunable laser with a 180-nm tuning range. Active medium is a ...

When Princess Kate stepped onto the stage at The Future Workforce Summit earlier this month, she brought more than her usual ...

Ancient Persians believed the sky was blue because it reflected a massive sapphire beneath the Earth, giving the stone cosmic symbolism. Kings, priests, and rulers wore sapphires to signal wisdom, ...