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Broad band infrared near-field spectroscopy at finger print region using SPring-8 |
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| Authors: | Y Ikemoto T Moriwaki H Okamura T Sasaki N Yoneyama A Taguchi Y Inouye S Kawata T Kinoshita |
| Institution: | aJapan Synchrotoron Radiation Research Institute (JASRI)/SPring-8, 679-5198, Japan bGraduate School of Science, Kobe University, Kobe 657-8501, Japan cInstitute for Materials Research, Tohoku University, Sendai 980-8577, Japan dGraduate School of Frontier Biosciences, Osaka University, Suita, Osaka 565-0871, Japan eDepartment of Applied Physics, Osaka University, Suita, Osaka 565-0871, Japan |
| Abstract: | The authors report infrared near-field spectroscopy using synchrotron radiation at BL43IR, SPring-8 in the finger print region. At the microspectroscopy station, the infrared synchrotron radiation beam is focused on a cantilever probe with a 3 μm square aperture. A comb-shaped Au electrode with the width of 3 μm and the distance of 3 μm is used for the reflection measurement. The Au electrodes can be resolved at 650 cm?1 and the resolution is estimated to be λ/5. |
| Keywords: | Infrared synchrotron radiation Near-field spectroscopy Finger print region |
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