Broadband spectral transmittance measurements of complex thin-film filters with optical densities of up to 12 Liukaityte, Simona ; Lequime, Michel ; Zerrad, Myriam ; Begou, Thomas ; Amra, Claude Abstract Publication: Optics Letters Pub Date: July 2015 DOI: 10.1364/OL.40.003225 Bibcode: 2015OptL...40.3225L