Tailoring Spectrally Flat Infrared Photodetection with Thickness-Controlled Nanocrystalline Graphite.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c24306
Abstract: Graphene, a zero-gap semiconductor, absorbs 2.3% of incident photons in a wide wavelength range as a free-standing monolayer, whereas 50% is expected for ∼90 layers. Adjusting the layer number allows the tailoring of the photoresponse;… read more here.
Keywords: infrared photodetection; flat infrared; spectrally flat; thickness ... See more keywords
Large area conductive nanoaperture arrays with strong optical resonances and spectrally flat terahertz transmission
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4992131
Abstract: Using simple and inexpensive nanosphere lithography, we produce large, centimeter-squared sized thin golden films patterned with a hexagonal array of nanoapertures with controllable dimensions on the order of 100–300 nm, spaced by a 350–375 nm pitch distance.… read more here.
Keywords: strong optical; transmission; large area; area conductive ... See more keywords
Spectrally flat mid-infrared supercontinuum pumped by a high power 2 µm noise-like pulse.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.487291
Abstract: We demonstrate spectrally flat high-power mid-infrared supercontinuum (MIR SC) generation with record-breaking power of 33.1 W and power conversion efficiency of 75.06%. It is pumped by a 2 µm master oscillator power amplifier system consisting… read more here.
Keywords: like pulse; mid infrared; noise like; power ... See more keywords