Podcast
Questions and Answers
What is the laser medium used in a ruby laser?
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?
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?
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?
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?
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 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 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 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 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?
What is the result of the spontaneous emission photon by Cr+3 ion at E2 level to E1?
Why are ruby lasers considered economical?
Why are ruby lasers considered economical?
What is the class of lasers that ruby lasers are known as?
What is the class of lasers that ruby lasers are known as?
Flashcards
Ruby laser medium
Ruby laser medium
Synthetic ruby crystal
First Ruby Laser Developer
First Ruby Laser Developer
Theodore Maiman
Wavelength of ruby laser's light
Wavelength of ruby laser's light
694.3 nm
Chromium's crucial property
Chromium's crucial property
Absorbing green and blue light
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How are ruby rod ends prepared?
How are ruby rod ends prepared?
Flat and parallel
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Type of lamp for pumping ions
Type of lamp for pumping ions
Xenon lamp
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Main function of E3I and E3II
Main function of E3I and E3II
Energy levels E3I and E3II facilitate population inversion and lasing action
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Wavelength of pump band for Cr+3 ions
Wavelength of pump band for Cr+3 ions
550 nm and 400 nm
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Energy levels' fate after Cr+3 ions absorb light
Energy levels' fate after Cr+3 ions absorb light
They rapidly lose some of their energy to the crystal lattice
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Result of spontaneous emission photon
Result of spontaneous emission photon
Stimulated emission by other Cr+3 ions
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Why ruby lasers are economical
Why ruby lasers are economical
Solid form reduces wastage of active medium
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Class of ruby lasers
Class of ruby lasers
Class-I lasers
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