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showed first 75 words of 1098 total

showed last 75 words of 1098 total
…and microwave region of the spectrum. Semiconductor lasers, sometimes called diode lasers, are not solid-state lasers. These electronic devices are generally very small and use low power. These are the types that may be built into in some laser printers or compact disk players in our everyday life. Lasers are used in industry and research to do many things, including using the intense laser light to excite other molecules to observe what happens to them.