Phantom production and products
Optical phantoms are artificially produced materials or structures that are used in research and imaging to simulate the optical properties of materials and structures. Phantoms are used in the development and validation of optical measurement systems as well as for the calibration and quality control of imaging systems. Here, long-term stability and precise characterization of the optical properties of the materials are crucial for the high reproducibility of metrological parameters.
We offer both homogeneous phantoms, which consist of materials with uniformly distributed optical properties, and phantoms with more complex shapes and structures, which can also be used to represent heterogeneous systems.
These can, for example, contain structures or layers that have different optical properties in order to simulate more complex models.
Commonly used materials for the production of optical phantoms are gels, resins (epoxy) and plastics such as silicone, whose optical properties can be adjusted by adding scatterers and absorbers.
Optical phantoms at the ILM offer controlled conditions for experiments and calibrations.
Homogeneous optical phantoms are idealized materials with uniform optical properties in simple, customer-specific geometries. The optical properties can be freely defined at the customer's request.
More complex heterogeneous systems, such as biological layered systems (skin), can be built up using structures or layers that have different optical properties.
Functional phantoms, such as perfusion models, can also be implemented according to customer specifications.
Surface structures and complex geometries such as free-form surfaces can be produced by molding 3D-printed models, for example. Inclusions within the 3D body with different optical properties are also possible.
The high quality and the possibilities for customer-specific design of the phantoms are only made possible by the precise determination of the optical properties of the starting materials.
Each phantom material produced is individually characterized, validated and documented in a measurement protocol at the ILM's Center for Optical Properties.
The development and design of customized phantoms requires the simulation of the optical properties of real bodies. This includes the selection of materials, the geometric design and the adaptation of scattering and absorption properties.
A wide range of matrix materials are available at the ILM for the production of optical phantoms. A large number of precisely characterized scattering particles and absorbers can be used to adjust the optical properties to meet customer-specific requirements for almost all applications.
Markets include medical technology, academic research institutions and manufacturers of imaging systems. Applications include diagnosis, therapy planning and the development of new imaging procedures.
The ILM offers laboratories with professional equipment for the production of homogeneous distributions of scatterers and absorbers in the phantom matrix as well as many years of expertise.
Calculation of light propagation based on customer-specific measurement geometries.
Quantitative imaging and sensors
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