| 11. | Making optical filters requires highly skilled people and a big investment in equipment, he said.
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| 12. | :An optical filter isn't going to be 100 %.
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| 13. | Spectrophotometers are used to measure the optical filters.
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| 14. | One defense against laser dazzlers are narrowband optical filters tuned to the frequency of the laser.
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| 15. | This property is used for frequency-selective optical filters, which can alter the color of incident light.
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| 16. | Photographic filters are a particular case of optical filters, and much of the material here applies.
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| 17. | Optical filters tunable for different wavelengths by varying the magnetic field can be built using ferrofluid emulsion.
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| 18. | There he oversaw the development and production of the company's micro-electromechanical ( MEM ) Fabry-Perot optical filter.
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| 19. | Potential applications of metamaterials are diverse and include optical filters, medical devices, remote shielding structures from earthquakes.
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| 20. | For segmentation, optical filters separate the signal into multiple wavelength DSP which generates the desired digital output.
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