The ornamental design for an apparatus for providingbroadbandlight, as shown and described.
FIG. 1 is a top front left perspective view of an apparatus for providing broadband light showing my new design.
FIG. 2 is a top rear left perspective view thereof.
FIG. 3 is a front side elevational view thereof.
FIG. 4 is a rear side elevational view thereof.
FIG. 5 is a left side elevational view thereof.
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a top plan view thereof.
The broken line illustrations in FIGS. 1-6 show an environmental structure and are not part of the claimed design, and the dot-dashed line illustrations in FIGS. 1, 2, 3 and 7 define bounds of the claimed design and form no part thereof.