Tunable thermal emission at infrared frequencies via tungsten gratings

Details Tunable thermal emission at infrared frequencies via tungsten gratings Tunable thermal emission at infrared frequencies via tungsten gratings

2008-10-23

arxiv.org/abs/0810.4266v2

Physics

Optics

Scientific paper

10.1016/j.optcom.2008.12.076

The author investigates the manipulation of thermal emission by using one-dimensional tungsten gratings with different groove depths. It is found that, by systematically increasing the depth of the groove, the linearly polarized emission at particular frequencies can be substantially enhanced to achieve that of the blackbody radiation limit, whereas the emission in other frequency ranges shows no noticeable changes. The results can provide useful insights into the design of thermovoltaic applications.

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