femtosecond pulse

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• Femtosecond pulse shaping — In optics, Femtosecond pulse shaping refers to various techniques to modify the temporal profile of an ultrashort pulse from a laser. Pulse shaping can be used to shorten/elongate the duration of optical pulse, or to generate more complex… …   Wikipedia

• Pulse shaping — In digital telecommunication, pulse shaping is the process of changing the waveform of transmitted pulses. Its purpose is to make the transmitted signal suit better to the communication channel by limiting the effective bandwidth of the… …   Wikipedia

• Ultrashort pulse — In optics, an ultrashort pulse of light is an electromagnetic pulse whose time duration is on the order of the femtosecond (10 − 15 second). Such pulses have a broadband optical spectrum, and can be created by mode locked oscillators. They are… …   Wikipedia

• Multiphoton intrapulse interference phase scan — (MIIPS) is a method used in ultrashort laser technology that simultaneously measures (phase characterization), and compensates (phase correction) femtosecond laser pulses using an adaptive pulse shaper. Current ultrashort laser pulse… …   Wikipedia

• Multiple-prism dispersion theory — The first description of multiple prism arrays, and multiple prism dispersion, was given by Newton in his book Opticks.[1] Prism pair expanders were introduced by Brewster in 1813.[2] A modern mathematical description of the single prism… …   Wikipedia

• Picosecond ultrasonics — When an ultrashort light pulse (duration: 100 fs, energy …   Wikipedia

• 1 E-15 s — To help compare orders of magnitude of different times this page lists times between 10−15 second and 10−12 second (1 femtosecond and 1 picosecond respectively). A femtosecond is one billionth of one millionth of a second. For context, a… …   Wikipedia

• Spatial light modulator — A spatial light modulator (SLM) is an object that imposes some form of spatially varying modulation on a beam of light. A simple example is an overhead projector transparency. Usually when the phrase SLM is used, it means that the transparency… …   Wikipedia

• Flash photolysis — is a pump probe laboratory technique, in which a sample is firstly excited by a strong pulse (called pump pulse) of light from a laser of nanosecond, picosecond, or femtosecond pulse width or by a short pulse light source such as a flash lamp.… …   Wikipedia

• Centre of Excellence in Lasers and Optoelectronic Sciences — [http://celos.cusat.ac.in Centre of Excellence in Lasers Optoelectronic Sciences] = [http://www.cusat.ac.in Cochin University of Science and Technology (CUSAT)] is one of the few institutions in India that have facilities for R D activities and… …   Wikipedia

• Coulomb explosion — A Coulomb explosion is a mechanism for coupling electronic excitation energy from intense electromagnetic fields into atomic motion. The atomic motion can break the bonds that hold solids together. When done with a narrow laser beam, a small… …   Wikipedia