Generation of tunable 1879-196-nm radiation in β-Ba_2BO_4 Bhar, G. C. ; Chatterjee, U. ; Rudra, A. M. ; Kumbhakar, P. ; Route, R. K. ; Feigelson, R. S. Abstract Publication: Optics Letters Pub Date: November 1997 DOI: 10.1364/OL.22.001606 Bibcode: 1997OptL...22.1606B