Commod Pro specifications

  Applications

• Design of stable and unstable cavities
• Design of frequency conversion systems, (intra and extra cavity)
• Simulation of short pulses propagation
• Design of complex optical systems including interference effects

General features

• User friendly graphic interface
• Easy laser construction with a drag and drop process for all optical components.
• Beam propagation based on Fourier Transform method
• Consideration of diffraction, non-linear and absorption effects, group velocity dispersion and shift
• Configuration of the interface and connection with external softwares
• 3D Viewer to display the laser system layout
• Enhanced diagnosis display

Technical features

• Simulation of :
  • multi-mode, CW, active and passive Q-switched cavities
  • Regenerative amplifiers
  • Frequency conversion OPO, OPA, SHG, SFG, DFG, ...
  • Short pulses propagation (streching and compression)
  • Interference and ghost image
• Calculation modes:
  • Geometrical optic mode (1D & 3D)
  • Reverse calculation
  • Diffraction modes (Huygens-Fresnel, Fresnel adaptive, Fresnel astigmatic),
  • Cavity mode
  • Spectral modes (for ultra short pulses)
  • Pumping mode (longitudinal schemes))
• More than 20 families of component
• Automatic identification of the cavity (if any), stability analysis
• Automatic phase matching for frequency conversion
• Real gain distributions are considered, coming from:
  • experimental measure
  • analytical formula
  • numerical calculation (by SPIR for example)
  • Gain saturation : the Frantz and Nodvik model is used for amplification.
• Consideration of aberration
• Consideration of polarization
• Consideration of thermal lensing effect, phase and birefringence distorsions
• HTML help

List of components

• Sources
  • circular
  • rectangular
  • speckle
  • analytic
  • complex
  • file
  • industrial
• Mirrors
  • flat
  • spherical
  • cavity exit
  • phase conjugation
• Lens (thin, thick, with aberration)
  • spherical
  • cylindrical
• Fresnel lens
• Amplifiers (disk, rod, slab)
• Zig-zag slab active medium geometry
• Quasi-three level, Third level and Real four level laser active medium
• Dynamic amplifier (disk, slab)
• Apodizers (analytic, file, Gaussian)
• Prism
• Saturable absorber (slow and fast)
• Pockels
• Frequency converter (OPA, SHG, SFG, DFG, type I and type II)
• Birefringent polarizer
• Polarizer
• Plate
• Rotators of Quartz and Faraday
• Spatial filters
• Multi-pass filter
• Wave plate
  • random
  • bi-value
  • kinoform
• Wavefront corrector
  • Gaussian
  • file
• Grating (flat & focalizing)
• Focalizer
• Propagator

Results

• Beam characterization along the system:
  • energy
  • section
  • optical & mechanical distances
  • wavelengths
  • modulation rate
  • pick intensity
  • beam position
  • ....
• Beam temporal profile
• Beam intensity and phase profile for each spet of time and component (two polarizations)
• Fluence for each component
• Residual gain
• Histogram of fluence
• Depolarization
• ......

I/O Characyeristics

• Export all results (spatial, temporal profile and gain profile) as ASCII files for later data processing on the results. Other formats are available.
• Binay file
• .DAT ASCII file containing system information

Operating system

• Windows 98 / NT / 2000 / XP