Researchers Create New Super-thin Laser Mirror »
Posted by: Ousama 1 year, 5 months ago6 CommentsReflectReport this Story
Engineers at the University of California, Berkeley, have created a new high-performance mirror that could dramatically improve the design and efficiency of the next generation of devices relying upon laser optics, including high-definition DVD players, computer circuits and laser printers.
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LABELDUDE
Feb. 25, 2007, 7:37 p.m."To get the coherent, single wavelength light of a laser beam requires a pair of mirrors at opposite ends of a photon-generating gain medium. Light photons of a specific frequency bounce back and forth between the mirrors, building up energy with each pass. As this effect levels off, the gain is said to be saturated, and the light energy is transferred into a laser beam."
Oh, everyone already knows this! See, the light bounces and somethin' else happens and pretty soon a laser pops out. Easy.
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Dionys
Feb. 25, 2007, 7:50 p.m.You didn't know that? They teach that in HS physics. Or at least they did.
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kctrixter
Feb. 25, 2007, 10:03 p.m.I always thought that a laser had a totally reflecting mirror and a partially reflecting one, sounds like they are trying to get both mirrors as reflective as possible, sooo how does the light get out?
oh yeah, smaller, cheaper, and better, sounds good.
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UBCONFUSE
Feb. 26, 2007, 4:04 p.m.If I understand this, the pulse is over an extremely short distance and emissions change with the data transfer at the speed of light. The light does not get out but is altered by the following pulse. I should also add my engineering exposure was limited to a few classes of advanced math I was forced into to fill in hours needed to graduate in Finance. Therefore, my opinion may be as qualified as having slept at the Holiday Inn last night.
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