News tagged with random lasing


Is random lasing possible with a cold atom cloud?

Physics / General Physics

created May 18, 2009 | popularity 4 / 5 (6) | comments 4

(PhysOrg.com) -- Random lasing, Robin Kaiser tells PhysOrg.com, is like standard lasing, with a little bit of a twist: “You don’t know the direction the photons will go, as you do with a more standard laser. This is becaus ...





Search results for random lasing


Can silver nanoparticles be the key to a more compact laser?

Physics / General Physics

created Jun 09, 2008 | popularity 4.4 / 5 (22) | comments 3

“In random media, multiple scattering and interference reduce the diffusion of light, and in case of extremely strong scattering, photon localization, or Anderson localization of light, is predicted like electrons in glasses,” ...


New unifying theory of lasers advanced by physicists

New unifying theory of lasers advanced by physicists

Physics / General Physics

created May 27, 2008 | popularity 4.4 / 5 (32) | comments 2

Researchers at Yale and the Institute of Quantum Electronics at ETH Zurich have formulated a theory that, allows scientists to better understand and predict the properties of both conventional and non-conventional ...


Advance by chemists may lead to better displays on laptop computers, cell phones

Nanotechnology / Nanomaterials

created Sep 18, 2007 | popularity 4.5 / 5 (25) | comments 0

UCLA chemists working at the nanoscale have developed a new, inexpensive means of forcing luminescent polymers to give off polarized light and of confining that light to produce polymer-based lasers.


Nanoparticle Scattering Improves Laser Performance

Nanoparticle Scattering Improves Laser Performance

Nanotechnology / Nanomaterials

created Jun 04, 2009 | popularity 4.7 / 5 (3) | comments 0

(PhysOrg.com) -- “Light scattering” and “optical performance” are two concepts that usually head in opposite directions, but they have recently been shown to walk happily hand-in-hand. The results are impressive ...


Big impact from tiny semiconductor lasers

Technology / Engineering

created Aug 12, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- A massive European effort to develop high-brightness semiconductor lasers could transform healthcare, telecoms and display applications and make Europe an undisputed leader in the field.


New 'Mystery Google' search engine delivers random results

Technology / Internet

created Oct 14, 2009 | popularity 2 / 5 (4) | comments 4

Looking for an Internet search engine that delivers totally random results?


Coupling of Single Quantum Dots to Smooth Metal Films

Coupling of Single Quantum Dots to Smooth Metal Films

Nanotechnology / Nanophysics

created Jul 20, 2009 | popularity 3 / 5 (2) | comments 0

Scientists at Argonne National Laboratory's CNM Nanophotonics Group have measured how light emission from individual colloidal semiconductor nanocrystals, or quantum dots, is modified when in proximity to ...


Magnetic brain stimulation improves skill learning

Medicine & Health / Neuroscience

created Jul 07, 2009 | popularity 5 / 5 (2) | comments 0

The use of magnetic pulses to stimulate the dorsal premotor cortex (PMd) region of the brain results in an improved ability to learn a skilled motor task. Researchers writing in the open access journal BMC Neuroscience show t ...


Random DNA mix-ups not so random in cancer development

Medicine & Health / Cancer

created Dec 03, 2009 | popularity not rated yet | comments 0

Researchers at the UC San Diego School of Medicine have pinpointed a mechanism that may help explain how chromosomal translocations - the supposedly random shuffling of large chunks of DNA that frequently lead to cancer - ...


World's smallest semiconductor laser heralds new era in optical science

World's smallest semiconductor laser heralds new era in optical science

Physics / Optics & Photonics

created Aug 30, 2009 | popularity 4.8 / 5 (25) | comments 1

(PhysOrg.com) -- Researchers at the University of California, Berkeley, have reached a new milestone in laser physics by creating the world's smallest semiconductor laser, capable of generating visible light ...



List of search results for random lasing