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physics.optics2025
Sub-kelvin measurement of silicon thermal expansion with a Fabry-Pérot cavity stabilized laser
Pierre Roset, Yara Hariri, Rémi Meyer +5
In this letter, we report the measurement of the coefficient of thermal expansion (CTE) of single-crystal silicon from 655 mK to 16 K using an ultra-stable laser based on a single-…
physics.optics2025
Guidelines for designs for ultrastable laser with fractional frequency instability
Joannès Barbarat, Erik Benkler, Marcin Bober +46
Lasers with long coherence time and narrow linewidth are an essential tool for quantum sensors and clocks. Ultrastable cavities and laser systems are now commercially available wit…