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5 November 2018 Electronics improvements for optical resonators fabrication
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Abstract
To obtain high quality factor optical resonator, we must reduces stresses at the periphery of their surface as mechanical treatments enable state-of-the art characteristics for the surface roughness. This process is driven by electronics significantly improved thanks to electronic boards based on the use of intensity pulses, coupled with feedback on several parameters for fitting the specific profile of the heating cycle. Sensor is based on K-type technology to reach specification up to 1000°C. Technology is based on the use of microcontroller, low noise operational amplifiers, field effect transistors and diode bridges and driven by a intensity signal.
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Patrice Salzenstein and Mikhail Zarubin "Electronics improvements for optical resonators fabrication", Proc. SPIE 10814, Optoelectronic Devices and Integration VII, 1081418 (5 November 2018); https://doi.org/10.1117/12.2500665
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