Laser-Chilled Atoms Sit for Ultrafast Portrait
Physicists from the
University of Michigan recently fired 70-fs pulses from a Ti:sapphire laser to control the random movements of atoms in a potassium-tantalite crystal. The laser was split in two beams, with one arriving at the crystal target a few picoseconds after the first. The first pulse created pairs of phonons -- "squeezed" particles of vibrational energy -- that scattered the second, weaker pulse as it passed through the crystal. By measuring the energy that continued through the crystal, physicists could visualize the crystal's atomic structure.
LATEST NEWS
- CLEO Heads to the East Coast
Apr 29, 2024
- Laser-Based Gas Analyzer Developed to Detect Air Pollution
Apr 29, 2024
- Qubits Could be Stored in Flash-Like Memory
Apr 29, 2024
- Exail Signs LLNL Contract, Partners with Eelume
Apr 26, 2024
- Menlo Moves U.S. HQ: Week in Brief: 4/26/2024
Apr 26, 2024
- Optofluidics Platform Keys Label-, Amplification-Free Rapid Diagnostic Tool
Apr 25, 2024
- DUV Lasers Made with Nonlinear Crystals Enhance Lithography Performance
Apr 25, 2024
- Teledyne e2v, Airy3D Collaborate on 3D Vision Solutions
Apr 24, 2024