Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hirofumi Watanabe and Hirotaka So and Yuji Oki,Picosecond-pulse-pumped distributed-feedback thick-film waveguide blue laser using fluorescent brightener 135,Japanese journal of applied physics : JJAP,00214922,Tokyo : The Japan Society of Applied Physics,2010-07,49,7,072105,https://cir.nii.ac.jp/crid/1520009407457718784,https://doi.org/10.1143/jjap.49.072105