1. Scanning Tunneling Microscope
2. Magnetic Force Microscope
3. SNOM
4. Electronic controller
4.1. Power supply : +12, -12V, 5V, +/- 150V
4.2. Laser Driver
4.3. HV amplifier
4.4. Data acquisition card
4.5. Distributor card
4.6. Display
4.7. On board computer: Pi
5. Atomic Force Microscope
5.1. Quartz Tuning Fork
5.1.1. Quartz from crystal oscillator
5.1.2. tip fabrication and glueing on quartz
5.1.3. Pre-amplifier for tuning fork signal
5.1.4. PLL/ lock in apmifier
5.2. Optical Beam Deflection
5.2.1. laser
5.2.2. Photodiode
5.2.3. collating lens
5.2.4. Focusing lens: Objective lens
5.2.5. Beam splitter
5.2.6. Quater plate
5.2.7. Polarising Beam Splitter
5.2.8. Laser Driver : APC/ACC
5.3. Software: LabVIEW
5.3.1. Digital PLL
5.3.2. PID controller
5.3.3. Scan program
5.3.4. Saving program
5.3.5. Image enhancement
5.4. Actuator
5.4.1. XY nano-postioning sample stage
5.4.2. Z nano-postitioning sample stage
5.4.3. Piezo actuator for tip oscillation
5.4.4. Motorised micrometer for sample loading/deloading
5.4.5. XY coarse stage
5.4.6. laser positioning XY tilt stage
5.4.7. PSD positioning XY stage
5.4.8. XYZ piezotube
5.5. Bio-AFM
5.6. Non contact mode
5.6.1. PLL
5.6.2. piezo oscillator
5.6.3. FM - AFM