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Results 591 - 600 of 661 for Laser Systems
  • Metastable States - Definition and Applications in Optics
    Article - 20 Jun 2014
    Metastable state is an excited state of an atom or other system with a longer lifetime than the other excited states. However, it has a shorter lifetime than the stable ground state.
  • Beam Profiler - Definition and Applications
    Article - 20 Jun 2014
    Measurement of the optical beam profile is of critical importance in a number of laser applications.
  • Optical Pumping - Definition and Applications
    Article - 19 Jun 2014
    Optical pumping is a process in which light energy is used to excite electrons from a lower to higher energy level. It was first developed by Alfred Kastler in the early 1950s. It is primarily used to...
  • Superpulse Lasers - Definition and Applications
    Article - 19 Jun 2014
    Superpulse is a specific waveform commonly used in CO2 laser systems either in a pulsed or continuous pattern. Superpulsed lasers are capable of emitting several thousand bursts of power per second.
  • Beam Combining - Definition and Applications
    Article - 19 Jun 2014
    Beam combining is done through a number of processes in order to scale up the power and radiance of laser sources. There are a number of techniques that allow the built up of high power laser sources...
  • Population Inversion - Definition and References
    Article - 29 May 2014
    Population inversion is a condition of the laser medium where a system consisting of a group of molecules or atoms exists in a higher excited state with more quantum systems than that of the lower...
  • Plano-Convex Lens - Equation and Explanation
    Article - 29 May 2014
    A plano-convex lens is a convergent lens with one flat surface and one convex surface. It focuses parallel light rays to a positive focal point to form real images that can be manipulated using...
  • Optical Dispersion - Principle and Applications
    Article - 15 May 2014
    Dispersion is the process of describing the characteristics of light waves and their interaction with a medium so that the group and phase velocities of the light propagating the medium depend on the...
  • B-Integral - Definition and Significance
    Article - 15 May 2014
    B-Integral is defined as the measure of the non-linear phase shift of light in devices like amplifiers. B-Integral is a term that is specific to non-linear optics. The non-linear shift of the laser...
  • Gordon-Haus Jitter - Description and Principle
    Article - 15 May 2014
    The Gordon-Haus jitter is a timing jitter that originates from the fluctuations in center frequency. This jitter has been greatly influencing long haul fiber soliton systems by causing a jitter in the...

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