A commercial picosecond OPO delivering up to 360 µJ pulses enables fluorescence-detected wide-field mid-IR photothermal imaging with ~1 mm field of view and tuning from 625 to 4327 cm⁻¹, demonstrated on polystyrene beads and tuberculosis-infected tissue.
Bond-selective imaging by optically sensing the mid-infrared photothermal effect
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physics.optics 1years
2026 1verdicts
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Millimeter-scale wide-field mid-infrared photothermal imaging enabled by a broadly tunable picosecond optical parametric oscillator
A commercial picosecond OPO delivering up to 360 µJ pulses enables fluorescence-detected wide-field mid-IR photothermal imaging with ~1 mm field of view and tuning from 625 to 4327 cm⁻¹, demonstrated on polystyrene beads and tuberculosis-infected tissue.