| 21. | Uses of laser diodes can be categorized in various ways.
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| 22. | In 1984, Pioneer Corporation introduced the first consumer player with a solid-state laser diode.
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| 23. | Such a design is called a separate confinement heterostructure ( SCH ) laser diode.
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| 24. | A distributed feedback laser ( DFB ) is a type of single frequency laser diode.
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| 25. | Laser diodes are available in powers up to the kW range and somewhat better efficiency.
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| 26. | Mass production of laser diodes for commercial devices like laser projectors have driven down prices.
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| 27. | Some important properties of laser diodes are determined by the geometry of the optical cavity.
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| 28. | Laser diodes of the common type have an optical cavity built into the semiconducting material.
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| 29. | Most laser sights use a red laser diode.
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| 30. | The firearms adaptive target acquisition module LLM01 laser light module combines visible and infrared laser diodes.
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