Keyword: Illuminance
- Degro J.: Experimenting with a luxmeter and exploring illuminance, Fair 12, Praha 2007This contribution represents experiments and project with a photometer and illumination, which can be conducted with high-school students or elementary-school students.
- Hubeňák J.: Modern Photometry – Using a Phototransistor And a Multimeter, Fair 8, České Budějovice 2003A guide on how to make a simple probe for measuring light intensity using a phototransistor. Procedure for measuring the angular dependence of light bulb and LED light intensity (the outcomes are plotted in polar graphs) and a calculation of a quantum efficiency of LED. Making of a polarizing filter from a mobile phone display, a measurement of light bulb and LED light polarization.