Ruby Laser Construction and Characteristics

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What is the laser medium used in a ruby laser?

Synthetic ruby crystal (correct)

Chromium crystal

Aluminum oxide crystal

Synthetic diamond

Who developed the first successful ruby laser in 1960?

Theodore Maiman (correct)

Albert Einstein

Marie Curie

Isaac Newton

What is the wavelength of the light emitted by a ruby laser?

1064 nm

694.3 nm (correct)

532 nm

800 nm

What property of chromium makes it crucial for the lasing behavior of ruby crystal?

Absorbing green and blue light Signup and view all the answers

How are the ends of the ruby rod prepared in a ruby laser?

Flat and parallel Signup and view all the answers

What type of lamp is used for pumping ions in a ruby laser?

Xenon lamp Signup and view all the answers

What is the main function of the energy levels E3I and E3II in the ruby laser?

To provide three energy levels for population inversion and lasing action Signup and view all the answers

What is the wavelength of the pump band that corresponds to the absorption of light by the ground state of Cr+3 ions?

550 nm and 400 nm Signup and view all the answers

What happens to the energy levels in the upper bands after the Cr+3 ions absorb light?

They rapidly lose some of their energy to crystal lattice Signup and view all the answers

What is the result of the spontaneous emission photon by Cr+3 ion at E2 level to E1?

Stimulated emission by other Cr+3 ions Signup and view all the answers

Why are ruby lasers considered economical?

They are in solid form and hence there is no chance of wasting material of the active medium Signup and view all the answers

What is the class of lasers that ruby lasers are known as?

Class-I lasers Signup and view all the answers

Ruby Laser Construction and Characteristics

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Questions and Answers

What is the laser medium used in a ruby laser?

Who developed the first successful ruby laser in 1960?

What is the wavelength of the light emitted by a ruby laser?

What property of chromium makes it crucial for the lasing behavior of ruby crystal?

How are the ends of the ruby rod prepared in a ruby laser?

What type of lamp is used for pumping ions in a ruby laser?

What is the main function of the energy levels E3I and E3II in the ruby laser?

What is the wavelength of the pump band that corresponds to the absorption of light by the ground state of Cr+3 ions?

What happens to the energy levels in the upper bands after the Cr+3 ions absorb light?

What is the result of the spontaneous emission photon by Cr+3 ion at E2 level to E1?

Why are ruby lasers considered economical?

What is the class of lasers that ruby lasers are known as?

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