Dec 12, 2018 ... Yes. We have tested this with the Green Diffraction Laser (GDL-DAK) and it effectively activates the photogate's photo-transistor. A Class 2Â ...
red (included with the purchase of the Diffraction Apparatus (DAK)), 635 ± 5 nm. green (purchased separately: Green Diffraction Laser (GDL-DAK)). before August ...
This information pertains to Go Direct Photogates. For information about using Vernier (BTD) Photogates, see The Science Olympiad Scrambler event suggests using laser...
Below are links to experiments with various aspects you could investigate in conjunction with the green roof project. Some of these have been done by...