Write Some Uses Of Laser ?

1) Laser beams are used as surgical tool for welding (detached retinas).
2) The narrow intense beam of laser can be used to destroy tissue in a localized area. Tiny organelles with a living cell have been destroyed by using laser to study how the absence of those organelles affects the behavior of the cell.
3) Finely focused beam of laser has been used to destroy cancerous and pre-cancerous cell.
4) The heat of the laser seals of the capillaries and lymph vessels to prevent the spreading of the disease.
5) The intense heat produced in a small area by a laser beam is also used for welding and machining metals and for drilling tiny holes in hard materials.

6) The precise straightness of a laser beam is also useful to surveyors for lining up equipments especially in inaccessible locations.
7) It is potential energy source for inducing fusion reactions.
8) It can also be used for the telecommunication purposes along with the help of optical fibers.
9) Laser bean can be used for the generation of three-dimensional images of objects in a process called holography.
10) The helium-neon laser beam is being used to diagnose diseases of the eyes. The use of laser technology in the field of ophthalmology is widespread.