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Why Us?
Optotech Systems works towards meeting the goals on time every time, scaling unheard standards of quality at low cost. A very broad spectrum of technical expertise available with us helps us deliver optimal solutions for varied needs of our customers.

FRED - Optical Engineering Design Tool
FRED is an Optical Engineering Software. It is capable of simulating the propagation of light through any opto-mechanical system by ray-tracing. Whether the design is imported from CAD, a lens design program, or constructed from within the software itself, FRED provides engineers with the essential tool for virtual prototyping optical systems.

The generality to which optical properties can be assigned to objects in the system model means that FRED is not restricted to any one class of problems. Its capability to propagate both incoherent and coherent light means that FRED can be used for a diverse range of applications that include stray light, laser applications, illumination and non-imaging optics, imaging systems, multi-wavelength systems, and thermal imaging.

Why Choose FRED
  • FRED shall speed up the design phase and improve your designs.
  • It is a full-featured optical systems design and analysis package.
  • Its sophisticated CAD interface allows users to design the full Opto-Mechanical system in one place rather than designing the Optical and Mechanical structures separately. The merging of these two disciplines removes one of the bottlenecks in the design phase; it also reduces the chance of problems that can occur when the mechanical engineer creates a supporting design without taking into account the optical footprint of the optical system.
  • For engineering departments that use a dedicated CAD program, FRED is able to import and export IGES and STEP files.
  • Similarly, FRED has been designed to be very communicable with other optical design programs and can import lens prescriptions files from Zemax, OSLO, and Code V.
  • Furthermore, FRED is one of the only optical engineering software of its kind that can propagate coherent fields. This allows for export/import opportunities with photonics simulation software tools (that use algorithms such as FDTD). This is necessary when modeling small-scale optical structures such as CCD chips, integrated optic waveguides etc.
  • For automating processes, FRED has a powerful scripting language implemented directly into the interface allowing even the novice programmer to quickly and easily write scripts to automate calculations or structure creation. Additionally, through FRED's COM interface the software can be controlled by, or control an external program such as Microsoft Excel, or Matlab.
  • To speed things up FRED takes advantage of today's multi-core computing power and uses multi-threading for a significantly quicker calculation. FRED Optimum is available as a native 64 bit version which further decreases calculation time.
  • FRED not only speeds up the design phase, but can also be used to improve existing designs to give you the necessary competitive edge. The multi-parameter optimizer included in FRED Optimum uses a sophisticated and flexible hybrid optimization algorithm that has been proven to create unparallel designs.
For more information about FRED, please Click here

LASCAD - Laser System Design Tool
The LASCAD is an industry-leading software package for LASer Cavity Analysis and Design. The features have been incorporated based on the feedback from a large community of users. As such, it helps users in optimizing laser resonator design by a variety of simulation tools:

  • Thermal and Structural Finite Element Analysis (FEA) of thermal effects in laser crystals,
  • ABCD Gaussian Beam Propagation taking into account thermal lensing, gain guiding etc.,
  • Dynamic Analysis of Multimode and Q-switch operation (DMA),
  • 3D Wave Optics Beam Propagation Code including diffraction, gain saturation etc.
  • Integration of these modules into one program package makes LASCAD a versatile instrument to model laser cavities, and to solve the problems laser engineers are confronted with. LASCAD especially provides the following computational capabilities:
  • Analysis of the 3-D nonlinear interaction of thermal and optical fields, commonly known as thermal lensing effect, which is one of the key problems in solid-state laser design,
  • Computation of efficiency and power output,
  • Modelling of multimode competition, beam profile, and beam quality,
  • Computation of pulse shape and pulse energy for Q-switch operation,
  • Numerical Eigenmode Analysis,
  • Beam Propagation outside the laser cavity.
Based on a quantitative model of the multi-physics effects in laser cavities, LASCAD allows the laser engineer to control and compensate individual features of a resonator design prior to committing hardware.

For more information please Click here


1. Passive Component Design
FIMMWAVE Waveguide Mode Solvers

An exhaustive suite of waveguide mode solvers including advanced finite-difference and finite-element solvers, fibre solvers and many more.
FIMMPROP Fully Vectorial Bidirectional Optical Propagation

A rigorous fully vectorial and bi-directional optical propagation tool based on EigenMode Expansion (EME). With a scattering matrix approach with an advanced taper algorithm this is the ideal tool for silicon photonics design!
OmniSim Finite-Difference Time-Domain Simulator

A 2D/3D FDTD Engine with true SMP to take advantage of your latest multi-core CPUs, packed with a user-friendly layout editor and a 2D FEFD (Finite-Element Frequency-Domain) solver ideal for fast optimisation.
CrystalWave Photonic Crystal Design Suite

The ultimate photonic crystal design suite featuring our FDTD and FEFD Engines, a band solver and the most flexible layout editor for 2D and 3D photonic crystal lattices.
EchelleCAD Echelle Grating Model

The first commercial model and design environment for Echelle gratings.
Kallistos Automatic Design Optimisation

An advanced, user-friendly and utterly flexible automatic optimisation add-on compatible with our entire passive component design suite.

2. Active Component Design

PICWave Photonic Circuit and Laser Diode Simulator

A unique active and passive Photonic Integrated Circuit (PIC) simulator including an advanced laser-diode and SOA model.
Harold An Advanced Heterostructure Model

Model the physics of your epitaxial laser hetero-structure with Harold!


Unified Optical Modeling

Modern optical systems may contain a large variety of optical components as for example refractive, diffractive, hybrid, Fresnel and GRIN lenses, diffractive optical elements, diffusers, beam shapers, diffractive beam splitters, computer generated holograms, phase plates, gratings, elements with free form surfaces and micro lens arrays.

VirtualLab™ package integrates several toolboxes allowing the analysis of systems, design of diffractive optical elements, design of beam shapers, analysis of gratings, analysis laser resonators as well as the shaping and homogenization of LED light. operties as for example degr

Starter Toolbox
Unified modeling for nano, micro and macro optics
The VirtualLab™ Starter Toolbox enables you to choose from a wide range of light sources, e. g., mono- and multimode lasers, excimer lasers, LED, VCSEL and thermal sources, and propagate the emitted light through lenses, lens systems, aspherical interfaces, index-modulated components, apertures and stops, gratings and diffractive elements with features from micro meter to meter scale.

Diffractive Optics Toolbox
Design of diffractive and micro optical elements
The VirtualLab™ Diffractive Optics Toolbox allows to design diffractive optical elements for laser beam splitting, light diffusing and homogenizations as well as laser beam shaping. These elements are also known as computer generated holograms, phase plates or kinoforms. Even non-experts can gain access to the world of diffractive optics with user-friendly session editors.

Grating Toolbox
Rigorous analysis of 2D and 3D gratings
The VirtualLab™ Grating Toolbox allows the rigorous electromagnetic analysis of 2D gratings, 3D gratings and photonic crystals with features from nanometer to millimeter scale. Diffraction efficiency, near field, polarization and the field inside gratings can be calculated.

Laser Resonator Toolbox
Flexible eigenmode analysis of laser resonators
The VirtualLab™ Laser Resonator Toolbox allows the analysis of eigenmodes of stable laser resonators. The analysis includes the calculation of fundamental modes, higher order modes and eigenvalues. Index modulations of the active medium can be taken into account. Tolerance simulations enable the investigation of the stability of a resonator.

Lighting Toolbox
Shaping and homogenization of LED light
The VirtualLab™ Lighting Toolbox provides field tracing for the analysis and design of illumination systems. The innovative light shaping concept which is based on arrays of gratings, prisms, and mirrors allows the shaping and homogenization of LED light. It enables a fast optimization and analysis taking into account diffraction, interference as well as spatial and temporal partially coherence.

CONSULTANCY - Optical System Design
We take up the design of Optical systems. Our consultants are experts in their fields, proficient in all major commercial design and analysis software and have worked in all phases of optical engineering.

Our engineering services include:
  • Optical design of imaging and non-imaging systems
  • End-to-end optomechanical modeling and simulation
  • Stray light analysis
  • Scatter theory and modeling
  • Debugging of optomechanical hardware
  • Contamination control
  • Thermal self-emission analysis
  • Beam propagation
  • Tolerancing, testing and prototype development
  • Component specification, drawings and vendor interfacing
  • Algorithm and custom software development
For your Optical Design related requirements, please Contact Us

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