This is a collection of simple tips and techniques worth sharing.
DCG
Effect of Overexposure
 Overexposure can have a drastic effect on dichromated gelatin. Test strips early and often are well advised. The graph is from Lasers and Holography by Mehta and Rampal, 1993. It was reprinted from a paper by Chang and Leonard, "Dichromated gelatin for the fabrication of holographic optical elements," Applied Optics, 1979. |