A Finite_Difference_Time_Domain (FDTD) Simulator
This simulation package,
which implements the FDTD algorithm on a nonuniform mesh, is designed
to run as a stand-alone program as well as in conjunction with DIFFRACT.
The interface with DIFFRACT makes it specially powerful for simulations
that involve near-field interactions with subwavelength structures as
well as propagation through complex optical systems. For example, in Optical
Data Storage applications, Sim3D_Max enables the user to move beyond the
limitations of DIFFRACT in resolving reflection from, or transmission
through, nano-scale size objects such as grooves, pits, and bumps on an
optical disk surface. Sim3D_Max can take as its input the vector field
generated by DIFFRACT (fully propagated from the laser diode to the surface
of the optical disk), and returns to DIFFRACT the back-reflected beam
for further propagation in the return path, all the way to the photodetectors.
is a computationally intensive code that can run in parallel under Windows
on a PC cluster. The user needs to download and install the Message Passing
Interface (MPI) parallel software to take advantage of this feature. The
powerful interface to DIFFRACT notwithstanding, Sim3D_Max is a stand-alone
simulation package, complete with its own integrated Graphical User Interface
(GUI). All graphical and analysis functionality is carried out within
this GUI environment. For examples of simulations by Sim3D_Max, please
see on-line publications "Interaction of Light with Subwavelength
Structures," and "Transmission of Light Through Small Elliptical
Apertures, Parts 1 and 2."
The complete Sim3D_Max package includes a CD-ROM,
comprehensive manual, USB hardkey, and six weeks of free
consulting and support services. For more information on
Sim3D_Max please visit Nonlinear Control Strategies, Inc.'s
website at www.nlcstr.com.
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