Internship | Spatial Frequency Domain Imaging

Spatial Frequency Domain Imaging (SFDI) is a widefield optical technique that can separate absorption from scattering. It can be used to measure absolute concentrations of tissue components such as oxyhemoglobin, deoxyhemoglobin, lipids and water.



Education type

higher professional education (hbo)


Internship and graduation project

Hours a week

Fulltime – 40


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What will you be doing?

The goal of this project is to construct a basic 3 wavelength SFDI system suitable for monitoring changes in hemoglobin concentrations in living samples. A complete manual for building and using such a setup is given on the website

The student will follow the instructions on this website to build an SFDI system, including software to operate the device. The student will verify the functionality of the device by measuring on tissue mimicking phantoms with controlled absorption and scattering properties. Finally, some experiments on the skin of a healthy volunteer will be performed and analyzed.

What do we require of you?

We are looking for a student with a physics/engineering/photonics background that has affinity with medical applications.

What can you expect of your work situation?

TNO is an independent research organisation whose expertise and research make an important contribution to the competitiveness of companies and organisations, to the economy and to the quality of society as a whole. Innovation with purpose is what TNO stands for. With 3000 people we develop knowledge not for its own sake but for practical application. To create new products that make life more pleasant and valuable and help companies innovate. To find creative answers to the questions posed by society. We work for a variety of customers: governments, companies, service providers and non-governmental organisations. Working together on new knowledge, better products and clear recommendations for policy and processes. In everything we do, impact is the key. Our product and process innovations and recommendations are only worth something if our customers can use them to boost their competitiveness. 

You will work in a team of 3 scientists/engineers with experience in tissue optics and spectroscopy, that are looking to expand their toolbox with SFDI. One scientist will be your main point of contact, but the others are available for questions and help when needed.

What can TNO offer you?

You want to work on the precursor of your career; a work placement gives you an opportunity to take a good look at your prospective future employer. TNO goes a step further. It’s not just looking that interests us; you and your knowledge are essential to our innovation. That’s why we attach a great deal of value to your personal and professional development. You will, of course, be properly supervised during your work placement and be given the scope for you to get the best out of yourself. Naturally, we provide suitable work placement compensation.

Has this vacancy sparked your interest?

Then please feel free to apply on this vacancy! For further questions don’t hesitate to contact us.

Contact: Arjen Amelink
Phone number: +31 (0)88-86 61186

Note that applications via email and third party applications are not taken into consideration.


Apply now



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