A color sensor wavelength meter
ORAL
Abstract
We will discuss a laser wavelength meter based on a commercial color sensor chip consisting of an array of photodiodes with different absorptive color filters. By comparing the relative amplitudes of light on the photodiodes, the wavelength of light can be determined with picometer-level precision and with picometer-scale calibration drift over a period longer than a month.
*This work was supported by NSF grant number PHY-1205736.
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