ULTRAVIOLET SPECTROSCOPIC TECHNIQUE 



TaBI.K 4-2. Ul.TRAVlOLKT FILTERS 



M.I 11(1 pass, transmission Reference 



iiiyu: 



143 



Wave-length logion transiiiitti'i 



190-290 



230-265 



230-330 



230-420 



240-280: >350 



245-275 



245-290; >340 



255-290 



270-325 



290-340 



295-330 



300-340 



300-400 



320-360 



320-390 



340-390 

 For specific spectral lines, mn: 



llg 254 



Hg 254 + 265 



Hg 280 



Hg 313 



Hg 334 

 Hg 366 



Cd326 

 Band pass, absorption 



Wave-length region absorbed, niju: 

 280-390 (CI,) 



350-540 (Br,) 

 290-360 (CSo) 

 340-800 

 Long-wave pass 



Approximate cnt-off wave length, niju: 

 190-200 

 210-230 

 220-260 

 230-250 

 245-260 

 260-280 

 260-310 

 2t)5-275 

 270-280 



Heidt, 1939 



Backstrom, 1940 



Backstrom, 1940: Mazza, 11)40 



Corning, 1948 



Kasha, 1948 



Kasha, 1948 



Kasha, 1948 



Kasha, 1948 



Dorcas and Forbes, 1927 



Kasha, 1948 



Backstrom, 1940 



Kasha, 1948 



Corning, 1948: Schott-Jena, 1952 



Kasha, 1948 



Corning, 1948 



Kasha, 1948 



West, 1946 



Bowen, 1946 



Backstrom, 1940: Bi'icher and Kaspers, 



1946 

 Backstrom, 1940; Bowen, 1946; Biicher 



and Kaspers, 1946; Hunt and Davis, 



1947; West, 1946 

 Bowen, 1946; Biicher and Kaspers, 1946 

 Bowen, 1946; Biicher and Kaspers, 1946; 



Corning, 1948; West, 1946 

 Bowen, 1946 



Gibson and Bayliss, 1933; von Halban and 



Siedentopf, 1922 

 Acton et al., 1936 

 Bowen, 1946 

 Backstrom, 1940 



Haas, 1935 

 Maclean et al., 1945 

 Corning, 1948 



Bass, 1948; McLaren and Pearson, 1949 

 Bass, 1948 

 Kasha, 1948 

 Corning, 1948 



Bass, 1948; Maclean et al., 1945 

 Bass, 1948; Bowen, 1940; Maclean et al., 

 1945 



