Types of Lasers

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1. Which laser uses a gas mixture as the active medium?





2. A Helium-Neon (He-Ne) laser is an example of:





3. Which laser uses a semiconductor as its active medium?





4. Semiconductor lasers are commonly used in:





5. Which laser uses a crystal or glass doped with ions as the medium?





6. Ruby laser is an example of:





7. Nd:YAG laser is commonly used in:





8. Which laser uses organic dyes as the active medium?





9. Dye lasers are mostly used for:





10. Which laser type can emit over a wide range of wavelengths?





11. Carbon dioxide (CO₂) laser is an example of:





12. Which laser is used for laser cutting and engraving metals?





13. Semiconductor lasers are also called:





14. Helium-Neon lasers usually emit:





15. Which laser type is mostly used in medical procedures?





16. Argon-ion lasers produce:





17. Gas lasers include:





18. Which laser type is tunable for research purposes?





19. Which laser type is compact and widely used in consumer electronics?





20. Which laser emits infrared light suitable for cutting thick materials?





21. Nd:YAG stands for:





22. Semiconductor lasers are widely used in:





23. Dye lasers are used in:





24. Ruby laser emits:





25. Which laser type has the highest tunability of wavelength?





26. Gas lasers require:





27. Nd:YAG lasers emit:





28. Semiconductor lasers are also used in:





29. Dye lasers can produce:





30. CO₂ lasers are:





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