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Questions and Answers
What is the active material in the ruby crystal used in the production of the ruby laser?
What is the active material in the ruby crystal used in the production of the ruby laser?
- Aluminum oxide is the rod material, B) Silver coating is used to cover the ends, C) Neon-helium gas is used in a different type of laser
- Neon-helium gas
- Silver coating
- Chromium ions (correct)
What is the difference between pulse lasers and continuous wave lasers?
What is the difference between pulse lasers and continuous wave lasers?
- Frequency is not the defining difference, B) Efficiency is not the defining difference, D) Both types of lasers have various applications
- Continuous wave lasers are only used in medical applications while pulse lasers are used in industrial applications
- Continuous wave lasers are more efficient than pulse lasers
- Pulse lasers produce short bursts of energy while continuous wave lasers produce a continuous beam of light (correct)
What is the most common gas used in gas-filled tubes lasers?
What is the most common gas used in gas-filled tubes lasers?
- Argon (correct)
- Oxygen
- Helium is often mixed with neon, C) Neon is also used, D) Oxygen is not used in gas-filled tube lasers
- Neon
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