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Thickness Tolerances of ±100 ATOMS!

For one of our customers, an error of just 100 atoms in thickness (2.04837 mm±100 atoms) makes their parts completely unusable. The customer uses our etalons as a wavelength reference to lock their lasers to specific wavelengths in the 1550 nm range as defined by the International Telecommunication Union (ITU) wavelength grid.* (The ITU is an agency set down by the United Nations for developing standards for the information and communication technologies.) We worked closely with our customer to ensure that the parts were exactly what they required -- even when it came down to a few 100 atoms. Our background in building state-of-the-art precision measurement instrumentation enables us to push industry limits to the nanometer level. And, with consistent processes in place, we deliver these parts at high volumes, too.

At Advanced Thin Films, we continually push beyond the conventional optic. So if you have a part with tight tolerances, call us today!


*The ITU grid determines the exact wavelength channels used for internet and telephone communications in wavelength-division multiplexed (WDM) and dense wavelength-division multiplexed (DWDM) optical communications systems."

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