LEO&F has an area of approximately 45 m2, with a sample preparation room of ~10 m2 and an optical room of ~35 m2. All electrical equipment and furniture are already installed and operating. In the sample preparation room we have general glassware, analytical balance, refrigerator, hood, ultrasonic bath, etc. In terms of optics, LEO&F has an anti-vibration optical table, sub-nanosecond pulsed laser (4W, 900 ps, 1-2000 Hz, 1064/532 nm), SHG crystal, He-Ne laser (632 nm, 5 mW), various diode lasers (400 nm, 532 nm, 660 nm, 800 nm), general photodetectors, ultrafast photodetectors (200 ps), power meters, portable spectrometer (200-1100 nm), various optical fibers, high-resolution CCD cameras, high-stability tungsten lamp, oscilloscope, general optical and optomechanical devices, etc. We also have an optical microscope, a UV-Vis spectrophotometer (190-1100 nm), 3D printer, etc.