An Introduction To Lasers And Their Applications File

“The first laser was built in 1960 by Theodore Maiman—a ruby, a flash lamp, a pink rod the size of a man’s thumb. People called it ‘a solution looking for a problem.’ Now, they’re in everything. CD players. Eye surgery. Metal cutting. Quantum computing. Fusion energy. The barcode on your yogurt cup.”

He paused.

“Tomorrow,” he whispered, “we teach it to cut cancer.” An Introduction To Lasers And Their Applications

He dimmed the lights. A faint red glow emerged from a crystal rod in a polished tube. “The passing photon tickles the excited electron. The electron drops, releasing its own photon—identical to the first. Same wavelength. Same direction. Same phase.” “The first laser was built in 1960 by

“Your assignment: Find one object in your daily life that doesn’t rely on a laser, directly or indirectly. I’ll wait.” Eye surgery