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LASER

LASER and Fiber fiber Questions and Answers | Notes

February 7, 2021 by imBooz Leave a Comment

LASER and Fiber fiber Questions and Answers | Notes

LASER and Fiber fiber Questions and Answers in PDF What is a Laser? Give major properties of laser light. Or Explain in brief the characteristics of a laser beam. Or How does laser differ from ordinary light? What are Einstein’s coefficients? Derive Einstein’s relation. Or Explain the three quantum processes of interaction of radiation with the matter and derive the … [Read more...] about LASER and Fiber fiber Questions and Answers | Notes

He-Ne Laser: Construction and working with Diagram

July 7, 2018 by Dr. IM Leave a Comment

He-Ne Laser: Construction and working with Diagram

Explain He-Ne Laser under following heads: Construction - working with Diagram. He-Ne Laser Construction: (i) Active medium: It is a gas laser, which consists of a narrow quartz tube filled with a mixture of helium and neon gases in the ratio 10:1 respectively, at low pressure (~0.1 mm of Hg). Ne atoms act as active centers and responsible for the laser action, while He … [Read more...] about He-Ne Laser: Construction and working with Diagram

Ruby LASER: Construction and working with Diagram

July 7, 2018 by Dr. IM Leave a Comment

Ruby LASER: Construction and working with Diagram

Explain Ruby LASER under the following heads: Construction - working with Diagram. Ruby LASER Ruby LASER Construction: (i) Active medium: It is a solid-state laser, in which a rod of a synthetic ruby crystal is used as an active medium. The ruby crystal is obtained by doping a small amount (about 0.05% by weight) of chromium oxide (Cr2O3) in Aluminum oxide (Al2O3), so that … [Read more...] about Ruby LASER: Construction and working with Diagram

Characteristics of LASER light | Types of LASER

July 7, 2018 by Dr. IM Leave a Comment

Characteristics of LASER light | Types of LASER

What are the Characteristics of LASER light? What are the properties of LASER Light? How many types of LASER? The LASER has following characteristics: i) Monochromatic: We know that the wavelength (or the frequency) of light decides its color. The ordinary light contains several electromagnetic waves of different colors (or different wavelengths). Generally, in a … [Read more...] about Characteristics of LASER light | Types of LASER

Components of LASER: active medium, Pumping system and Optical resonator

July 7, 2018 by Dr. IM Leave a Comment

Components of LASER: active medium, Pumping system and Optical resonator

What are the main components of LASER? Components of LASER There are three basic components of a LASER: (i) active medium, (ii) pumping system and (iii) optical resonator (i) Active medium: The active medium in LASERS may be a solid, liquid, or gas. Different active media emit different energies or wavelengths of light. The basic requirement for the active medium of a … [Read more...] about Components of LASER: active medium, Pumping system and Optical resonator

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