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  • The Femtosecond Laser – An Introduction
    Article - 17 Mar 2008
    Femtosecond lasers are a type of laser that discharges optical pulses in femtoseconds. Femtosecond lasers belong to a class of ultrashort pulse lasers or ultrafast lasers. Passive mode locking...
  • Optical Tweezers - An Introduction to Optical Tweezers
    Article - 29 Feb 2008
    Light is used by optical tweezers to control microscopic objects the size of a single atom. A focused laser beam generates radiation pressure which is capable of trapping small particles.
  • Plasma Televisions (TV) - How Plasma Screens and Displays Work
    Article - 6 Feb 2008
    Plasma display technology has emerged as an alternative to cathode ray tube or CRT-based televisions. Plasma display technology offers a number of advantages such as the possibility of producing a...
  • Dual-Modality Microbeads Identify Disease Biomarkers
    News - 13 Jul 2007
    Analyzing human blood for a very low virus concentration or a sample of water for a bioterrorism agent has always been a time-consuming and difficult process. Researchers at the Georgia Institute...
  • Cornell Researchers Create Broadband Light Amplifier on a Silicon Chip
    News - 8 Jul 2007
    Cornell University researchers have created a broadband light amplifier on a silicon chip, a major breakthrough in the quest to create photonic microchips. In such microchips, beams of light...
  • Laser Bursts Create True Black Metal
    News - 8 Jul 2007
    "Black gold" is not just an expression anymore. Scientists at the University of Rochester have created a way to change the properties of almost any metal to render it, literally,...
  • New Source of Coherent Optical Radiation Discovered
    News - 5 Jul 2007
    With the exception of lasers and free-electron lasers, there hasn't been another fundamental way to produce coherent light for close to 50 years. However, a group of researchers from Lawrence...
  • Photoacoustic Detection Technique Used to Listen to Cancer
    News - 5 Jul 2007
    Researchers at the University of Missouri-Columbia can now detect the spread of skin cancer cells through the blood by literally listening to their sound. The unprecedented, minimally invasive...
  • Scientists Successfully Laser-Cool and Trap Radium Atoms
    News - 5 Jul 2007
    Argonne researchers have successfully laser-cooled and trapped atoms of radium — the first time this rare element has been captured in a magneto-optical trap — with an assist from an...
  • Electrons Observed in Tunnelling Process
    News - 5 Jul 2007
    We have to climb a mountain in order to conquer it. In quantum physics there is a different way: objects can reach the opposite side of a hill simply by tunnelling through it, instead of laboriously...

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