Transmit
Low-intensity signals pass through the optical path with minimal intervention.
Advanced materials for photonics
Protection that responds when light becomes excessive.
AUSMATTER is a passive optical-limiting material platform designed to protect sensitive optical systems while preserving the weak signals they need to detect.
Passive response
No electronics
Intensity-dependent
Conceptual response
Detector
Useful light passes
At low intensity, the material remains in its high-transmission state.
Illustrative system concept — not a measured performance plot.
The technology
A nonlinear material response, without active control.
Conventional filters reduce weak and intense light alike. AUSMATTER is being developed to respond differently: allow useful signals through under normal conditions, then alter the beam as intensity rises.
Respond
High optical intensity drives a nonlinear response in the organic material.
Redistribute
Negative fifth-order refraction changes the beam’s spatial distribution, enabling passive limiting in a designed optical system.
Demonstrated in research
Selective access to a pure negative fifth-order refractive response.
Peer-reviewed femtosecond Z-scan measurements in solution show a quadratic power-dependent phase response in through-space charge-transfer organic salts, while the conventional third-order Kerr contribution is suppressed by molecular design.
Now in development
- Integration into polymer optical elements
- Optical and environmental validation
- Application-specific limiter demonstrator
Thresholds, spectral range, durability and protection levels must be validated for each optical architecture.
Application explorer
Where could AUSMATTER fit within your optical system?
Choose your context. We’ll suggest a credible starting point for technical evaluation.
The team
Science and execution under one roof.
We combine company-building experience with deep expertise in organic chemistry, luminescence and computational modelling.
Co-founder & CEO
Oskars Gūtmanis
Oskars has extensive experience in sales, business development and management across private companies, large state-owned organisations and international corporations. He has led a deep-tech company developing, manufacturing and selling IoT solutions for energy efficiency.
Co-founder & Scientist
Kaspars Leduskrasts
Kaspars holds a master’s degree and PhD in Organic Chemistry from the University of Latvia. He has worked as a researcher at the Latvian Institute of Organic Synthesis for 14 years, focusing on solid-state luminescence phenomena.
Scientist
Artis Kinēns
Artis is a scientist at the Latvian Institute of Organic Synthesis and an Associate Professor at the University of Latvia’s Faculty of Chemistry. He has considerable experience in time-dependent density functional theory calculations used to understand reaction mechanisms and luminescence phenomena.