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collimating lens |
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collimating lens [′käl·ə‚mād·iŋ ‚lenz] (optics) A lens on a collimator used to focus light from a source near one of its focal points into a parallel beam. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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It was built in a mahogany housing for stability and had an adjustable width entrance slit, a 20-cm focal length quartz collimating lens, a Comu quartz prism, a 20-cm quartz camera lens and a plate holder for a 3. According to Starodubov, today, to fabricate a packaged component such as a semiconductor optical amplifier, manufacturers must take short pieces of cut fiber, affix a tiny collimating lens to one end of each, and then mount these "pigtails" inside a package, precisely and rigidly aligned with each end of the amplifier chip. |
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