1. High-performance inverted microscope: Transmission and reflection Köhler illumination system; 
Fully automatic transient absorption imaging; 
XYZ fully electric stage with touch control console; 
All three axes are equipped with grating rulers, with scanning ranges: X ≥ 30 mm, Y ≥ 30 mm, Z ≥ 15 mm; 
Positioning accuracy ≤ 1 micron; 
Minimum step size ≤ 100 nanometers; 
Laser positioning accuracy ≤ 100 nm (XY); 
Switching between positions takes ≤ 300 µs 
2. Four-band intelligent electric switching: 280-380 nm, 320-650 nm, 420-800 nm, 850-1500 nm 
3. Full-spectrum instantaneous synchronous capture technology (single exposure covers the entire spectrum) 
4. High-speed delay line: ≥ 400mm/s movement speed, capable of outputting picosecond-level synchronous triggering 
5. Detection time window: ≥ 8 ns