“I am working towards a world where light technology helps people live healthier, safer, and more sustainable lives.”
Heidi Ottevaere
Professor of Photonics
“Since childhood, I have been captivated by technology. I played with LEGO, wanted to understand how devices worked, and was fascinated by anything that emitted, transmitted, or transformed light. That curiosity has never faded. During my studies, I discovered that photonics—the science and technology of light—is precisely the field where physics, engineering, and creativity converge. The moment I realised that light could produce surprisingly unique results was a turning point. From then on, I knew: this is the field in which I want to build my career.
Today, I work as a photonics engineer and professor, developing optical sensors and measurement platforms that use light to better understand our world and enable faster intervention. I design, build, and characterise optical systems for medical applications, such as technologies for the early and non-invasive detection of diseases, including diabetes and bacterial infections. I also develop optical detection methods for environmental monitoring, for example to reliably measure PFAS, microplastics, and other contaminants in water.
Through my research, I aim to develop smart optical sensors that tackle real societal challenges—from healthcare to the environment—while also inspiring young people to engage with science and technology. By consciously combining fundamental research with technological development, we can translate prototypes from the laboratory into real-world applications. In this way, photonics can create tangible impact today and in the future.
“Seeing the growth, creativity, and drive of students and young researchers—and supporting them on their path—is one of the most meaningful aspects of my job.”
A key breakthrough in my career came when I became a professor. From that point, I could define, write, and develop my own research projects. It gave me the freedom to articulate a clear vision of what I want to achieve with photonics and how I want my research field to evolve. Equally valuable is the responsibility that comes with mentoring and guiding young people. Witnessing the growth, creativity, and determination of students and early-career researchers, and supporting them as they find their own path in the world of technology, is one of the most rewarding aspects of my work.
Looking ahead, I dream of bringing photonics even closer to society. I want to continue building innovative solutions that push the boundaries of what light can achieve. At the same time, I hope to inspire young people, so that photonics is not an abstract concept but a world of opportunity and creativity. If we succeed in raising a generation that not only understands light and technology but also uses them to tackle the challenges of tomorrow, then my dream will have been realised.
I never had a single role model. I am inspired by people who combine passion with perseverance: colleagues, researchers, engineers, and students. It is curiosity, enthusiasm, determination, and belief in progress that continue to guide my career.”
BIO
Heidi Ottevaere is a Professor of Photonics. Her research focuses on the development of optical sensors and light-based measurement platforms for medical and environmental applications, including the early detection of diseases and the reliable monitoring of contaminants.
In a rapidly changing world, independent, science-based insights are indispensable. Heidi provides journalists and editorial teams with clear analysis and context on current issues, within her fields of expertise.
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