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Best 10 Industrial Applications Of Laser Technology

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Best 10 Industrial Applications Of Laser Technology

laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The term “laser” originated as an acronym for “light amplification by stimulated emission of radiation“.

The first laser was built in 1960 by Theodore H. Maiman at Hughes Research Laboratories, based on theoretical work by Charles Hard Townes and Arthur Leonard Schawlow

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Among their many applications, lasers are used in optical disk drives, laser printers, and barcode scanners; DNA sequencing instruments, fiber-optic and free-space optical communication; laser surgery and skin treatments; cutting and welding materials; military and law enforcement devices for marking targets and measuring range and speed; and laser lighting displays in entertainment.

Some surgical procedures such as LASIK eye surgery, consumer products like DVD players for processing information and bar code readers rely on laser technology. There are various other fields where it has left its mark. Laser and laser technology has brought a new dimension to the world of industrial production. It coincides with the ever-growing requirement of improving its quality and productivity. Modern laser technology and systems surpass standard tools by its combination of flexibility, speed, accuracy and productivity.

Laser technology came out in the 20th century. It has been developed and made perfect through the efforts of generations of technicians and scientists. Laser is an energy source with extra-ordinary properties. It has played a huge role in the advancement of technology and social economy. Laser is used as a key component in many of the products that are used every day. Its unique properties allow it to be one of the most versatile tools available.

1. Laser Cutting

Different traditional techniques used for cutting have varying speed, accuracy and size precision. The thickness of the material and shape heavily affects the quality of the techniques. Several limitations of such processes end up in losses, such as large cutting cost, material loss, high processing cost and poor cutting quality. Laser cutting overcomes all the areas that lack efficiency. It focuses its high power beam of laser at the piece being worked with so that it vaporizes, melts or reaches its ignition point.

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2. Laser Drilling

Laser is used for drilling especially where small diameter holes are concerned. The main concept of drilling by laser is based on surface heating. Such operation requires the laser beam to focus at the point of interest to heat up the surface and then heat the sub-surface through conduction. A wide range of materials like metals, plastic and other substances can be drilled. As the depth of penetration of the laser increases, the focal spot begins melting. Flushing is used to remove the melted material, after which the formation of a new surface takes place for drilling further.

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3. Laser Welding

An important field of laser technology is laser welding. It has certain advantages that cannot be achieved by any other method. High energy pulses of laser are used to heat small areas on the material. Since, the action of the laser is local, the weld area as well as the whole material acquires no thermal damage. It is mainly used for precision parts welding, thin wall materials and welding of inaccessible places.

Laser Welding

4. Laser Heat Treatment

Laser heat treatment is a technology used for heating a surface by selective hardening to reduce damage. Mechanical and metallurgical alterations are also brought about by the process. Such treatment is usually carried out on metals, after applying an absorbent coating on its surface to avoid excess laser power loss. Some advantageous affects that laser heat treatment have are reduction in friction, increase in strength and fatigue life and surface carbide creation.

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5. Laser Marking and Engraving

An effective solution for a marking or engraving task is the use of laser. It is the most popular and advanced method for marking on a global count. Due to its fast pace and high efficiency, it is very suitable for modern production. A high energy density laser beam controlled by a computer is used to melt or vaporize the surface of a product on the particular linings to produce the required text or logo.

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6. Laser Scribing and Thermal Stress Cracking

The process of scribing is used for making a line of holes or a groove to mechanically break a structure by making it weak. High density and low energy pulses remove the material as vapour. Alumina substrates and silicon chips particularly use this technique. Thermal stress cracking is usually preferred in cases of materials which are brittle in nature. A crack is introduced into the substance by heating with a laser, with the help of which they are severed neatly. It slowly expands and like a stress enhancer, the cracking moves further in the direction of the desired spot.

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7. Laser Fusion Cutting

The process of fusion cutting is also called melt and blow. With this technique, metal as well as other liquefiable materials, like ceramics can be cut. The cutting edge so produced is virtually oxide-free. Laser fusion cutting is used especially for those work pieces which have high visual requirements, that too without further processing. Usually oxygen or mixtures containing oxygen are used for its application.

Laser Fusion Cutting

8. Laser Cold Cutting

Laser cold cutting is a new technique, as compared to others in the field. Ultraviolet range lasers, such as Excimer, are used for this method. It is widely used for the laser excision of materials for thin film applications. It also poses a potential medical practice such as microsurgery and the surgical removal of tumour cells.

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9. Laser Rapid Prototyping Technology

With the increase in global marketing strategies, the manufacturing industry competition has become really fierce and the main point that holds all the difference is the product speed development. Laser rapid prototyping technology brings a huge change in modern manufacturing technology. It shortens the cycle of development, improves the quality of the product and cuts production cost. More global uses of this technique will certainly be seen in the future.

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Laser Rapid Prototyping Technology

10. Laser Vaporization Cutting

The mode of laser vaporization cutting relies on vaporization. A laser beam is used, which initially heats up the required surface to the boiling point, which then generates the keyhole. It leads to a sudden absorptivity increase due to many reflections which rapidly deepens the hole.

Vapours are created, as a result, that escape while blowing the material out of the hole. Hence, the wall temperature of the hole is stabilized. It is a common method employed for cutting materials that do not melt, such as carbon, wood, and plastics, using pulsed lasers.

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Today, lasers are not only an extensive use of advanced technology but also a tool to help do assignments faster with better quality. Its advantages of low cost, huge application potential and high efficiency in industries make competitions tougher globally.

Laser technology is developing awfully fast and is soon going to enter many other fields of application.

So, what do you think about this? Simply share all your views and thoughts in the comment section below. For the latest tech,social media news and reviews, follow firebebble.com on Twitter, Facebook and Instagram

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