Laser Pulses

In the present day laser world, the word “Pulse” covers pulse durations from microseconds (free-running laser) to tens of femtoseconds (mode-locked laser). It is possible to generate attosecond pulses (1as is 10-18 s) by means of non-linear processes. In recent times, a fresh time range was discussed in publications: zeptosecond (1zs is 10-21 s). To promote pulses from milliseconds to femtoseconds, hundreds of different laser systems have been developed. They can characteristically generate pulses of specific durations, which are due to laser principles of operation, parameters of gain medium, specific construction, kind of modulator, and so on.
In the solid-state free-running laser the constraints of the electromagnetic field interaction process with an inversed population of the gain medium play a dominant role in determining the laser spikes. These distinctive parameters limit the pulse duration from the long side of the range. 

  • Femtosecond laser cavity characterization
  • Solid-state passively mode-locked ultrafast lasers
  • Longitudinally excited CO2 laser
  • Ultrashort laser pulses machining
  • Diagnostics of a crater growth and plasma jet evolution on laser pulse materials processing
  • Interaction of femtosecond laser pulses with solids
  • Kinetics and dynamics of phase transformations in metals under action of ultra-short high-power laser pulses
  • Direct writing in polymers with femtosecond laser pulses: physics and applications
  • Holographic fabrication of periodic microstructures by interfered femtosecond laser pulses
  • Ion acceleration by high intensity short pulse lasers
  • Ultrashort laser pulses for frequency upconversion
  • Generation of tunable THz pulses
  • Generation of high-intensity laser pulses and their applications
  • High-power diode-pumped short pulse lasers
  • Laser-produced soft X-Ray plasma
  • High-brightness solid-state lasers for compact short-wavelength sources
  • Nuclear-induced plasmas of gas mixtures and nuclear-pumped lasers
  • Undulators for short pulse X-Ray self-amplified spontaneous emission-free electron lasers
  • High‐energy and short‐pulse generation from passively mode‐ locked ytterbium‐doped double‐clad fiber lasers
  • Effects of different laser pulse regime on the ablation of materials for production of nanoparticles in liquid solution
  • High‐energy nanosecond laser pulses for synthesis of better bone implants
  • Excimer laser and femtosecond laser in ophthalmology

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