15-04-28 Researchers at the University of Rochester's Institute of Optics have shown that a laser-generated microplasma in air can be used as a source of broadband terahertz radiation. In a paper published this week in Optica, Fabrizio Buccheri and Xi-Cheng...

15-03-25 University of Washington scientists have built a new nanometer-sized laser -- using the thinnest semiconductor available today -- that is energy efficient, easy to build and compatible with existing electronics. Lasers play essential roles in countl...

14-09-03 In the quantum world, making the simple atom behave is one thing, but making the more complex molecule behave is another story. Now Northwestern University scientists have figured out an elegant way to stop a molecule from tumbling so that its poten...

14-08-18 Laser physicists have found a way to make atomic-force microscope probes 20 times more sensitive and capable of detecting forces as small as the weight of an individual virus. The technique, developed by researchers at The Australian National Univer...

14-06-17 Lawrence Livermore National Laboratory researchers have developed a new and more efficient approach to a challenging problem in additive manufacturing -- using selective laser melting, namely, the selection of appropriate process parameters that res...

13-10-10 Terahertz (THz) radiation -- radiation in the wavelength range of 30 to 300 microns -- is gaining attention due to its applications in security screening, medical and industrial imaging, agricultural inspection, astronomical research, and other area...

13-01-28 For purposes of their research, the scientists irradiated two separate layered systems with ultrashort laser pulses on the order of just one hundred femtoseconds (10-15 s). One sample consisted essentially of a single thin layer of ferromagnetic（铁...

12-11-07 A Northwestern University research team has found a way to manufacture single laser devices that are the size of a virus particle and that operate at room temperature. These plasmonic nanolasers could be readily integrated into silicon-based photoni...

12-02-29 Mobile phones currently on the market are capable of showing high quality images and video, but the phones' small size sets insurmountable（不能克服的） limits on screen size, and thus the viewing experience. VTT Technical Research Centre of Finland...

11-09-23 Not long after the development of the first laser in 1960 scientists discovered that shining a beam through certain crystals produced light of a different color; more specifically, it produced light of exactly twice the frequency of the original. Th...