Several types of lasers are commonly used in nanotechnology, including:
1. Excimer Lasers: These are used for micromachining and photolithography due to their short wavelength. 2. Femtosecond Lasers: Known for their extremely short pulse durations, making them ideal for applications requiring high precision without thermal damage. 3. Fiber Lasers: These are used for cutting and welding nanomaterials due to their high power and efficiency. 4. Quantum Cascade Lasers: Useful in spectroscopy and chemical sensing at the nanoscale.