I have a crystal which has several void ( mm scale) included. The crystal itself is UV transparent down 350 nm. I want analyze the composition of the void to know if there is some gas or just vacuum in side. Could you please give me any suggestion that what kind of method, spectrometer or others, could be used? It is OK to destroy the crystal. thanks!
1, create symbol .sym file for mos 2, creat model .sub file 3, in the schematic, place the symbol and use .inc command to include the . sub file 4, done