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Average energy flux in microwatts per cm2 at one meter distance in a direction perpendicular to the plane of the leads with 115 volts on the primary of the transformer.
Mercury lines
wave length μw/cm2 at 1 m.
2537
2650
2804
2894
2967
3024
3130
3342
3650A
.09
.47
.60
.64
2.28
3.96
12.6
1.0
16.8
Table 2
Computed energy flux of mercury lines in center of beam received from sunlamp unit at one meter distance from center of arc with reflector pointing downward. 115 volts on primary of transformer.
Wave length
2537
2650
2804
2894
2967
3024
3130
Ratio to energy flux at 1 m distance along normal to plane of leads with lamp in open.
3.6
4.1
4.8
5.1
5.3
5.9
5.3
Energy flux from complete unit in microwatts/cm2 at 1 m distance.
.32
1.9
2.9
3.3
12.1
23.4
67.
Table 3
Energy flux in microvolts per cm2 in definite wave-length regions for the type S − 1 lamp, the sunlamp unit, the quartz mercury arc and the sun.
The more recent type of transformer operates the lamps at a somewhat higher current and voltage than the type used for data previously published.5
Tables (5)
Table 1
Average energy flux in microwatts per cm2 at one meter distance in a direction perpendicular to the plane of the leads with 115 volts on the primary of the transformer.
Mercury lines
wave length μw/cm2 at 1 m.
2537
2650
2804
2894
2967
3024
3130
3342
3650A
.09
.47
.60
.64
2.28
3.96
12.6
1.0
16.8
Table 2
Computed energy flux of mercury lines in center of beam received from sunlamp unit at one meter distance from center of arc with reflector pointing downward. 115 volts on primary of transformer.
Wave length
2537
2650
2804
2894
2967
3024
3130
Ratio to energy flux at 1 m distance along normal to plane of leads with lamp in open.
3.6
4.1
4.8
5.1
5.3
5.9
5.3
Energy flux from complete unit in microwatts/cm2 at 1 m distance.
.32
1.9
2.9
3.3
12.1
23.4
67.
Table 3
Energy flux in microvolts per cm2 in definite wave-length regions for the type S − 1 lamp, the sunlamp unit, the quartz mercury arc and the sun.