Which of the following statements is not true regarding LASER?

• A. A LASER is a device that emits light through a process of optical amplification .
• B. LASER beams can be focused to very tiny spots, achieving a very high irradiance.
• C. The emitted LASER light is notable for its high degree of dispersive power unattainable using other technologies.
• D. LASER light is used in bar-code scanners