The infrared (IR) beamline BL43IR at SPring-8 has recently become available
to general users. It has four experimental stations, one of which is the a
bsorption and reflection spectroscopy station (ARSS). ARSS is designed prim
arily for absorption and reflection IR spectroscopies under laser excitatio
ns, in particular for laser-pump, IR SR-probe time-resolved spectroscopies.
We describe the instrumentations at ARSS, and the expected future projects
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