THE June issue of the Journal of the Franklin Institute contains two interesting letters from the second volume of the Transactions of the American Philosophical Society (1786), from which it would ...

This page contains hints, solutions, and advanced challenges for our diffraction grating challenge. If you would like a grating (or a set for your class if you are a teacher), please contact us at ...

Fraunhofer IPMS has developed a hyperspectral imaging system that uses a cost-effective linear sensor array, making it attractive for a broad range of applications. It is based on the scanning grating ...