This content has been downloaded from IOPscience. Please scroll down to see the full text. Download details: IP Address: 148.204.12.115 This content was downloaded on 22/08/2015 at 00:34 Please note that terms and conditions apply. A new ASE filter: the 20-fold prism monochromator View the table of contents for this issue, or go to the journal homepage for more 1999 Meas. Sci. Technol. 10 L25 (http://iopscience.iop.org/0957-0233/10/3/004) Home Search Collections Journals About Contact us My IOPscience