The use of laser era are as follows: 1. Storing data using light 2 To read a bar code 3 Holography 4 Industrial production process, 5 Medicine and surgery: 6 Entertainment 7 Printing and graphic .
The generation laser is as follows. 1 optical data storage. 2 Reading bar code 3 Hall Holography 4 Industrial Process 5 Medicine and Surgery 6 Entertainment 7 Printing and Graphic up