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. Author manuscript; available in PMC: 2014 Aug 30.
Published in final edited form as: Chem Phys. 2012 Aug 30;422:8–15. doi: 10.1016/j.chemphys.2012.08.019

Figure 1.

Figure 1

Schematic of dual Ge AOM 2D IR spectrometer. A single mid-IR pulse enters from the left side and goes through a custom periscope (shown from side view in zoom), which splits the single pulse input into vertically displaced pump and probe output pulses. Overlapped solid and dashed lines indicate the path where the vertically displaced pump and probe pulses travel in parallel. PER: Periscope Assembly, BS: CaF2 Beam Splitter, MR: Mirror, GR: Grating, LN: CaF2 Lens, AOM: Dual Ge Acousto-Optic Modulator, WP: ZnSe Wedge Pair, PM: Parabolic Mirror, SP: Sample, IR: Iris.