L. P. Boivan and W. F. Davidson and R. S. Storey and D. Sinclair and E. D. Earle, "Determination of the attenuation coefficients of visible and ultraviolet radiation in heavy water," Appl. Opt., 25, 877--882, (1986). lambda absorption (nm) (1/cm) 578 0.000908 546 0.000565 436 9.3e-05 406 6e-05 366 6.4e-05 313 0.000264 254 0.00112