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- | ====== Cavity Paper ====== | ||
- | ===== General ===== | ||
- | * {{ : | ||
- | * {{ : | ||
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- | ===== Overview Cavities ===== | ||
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- | ===== Relevant effects influencing frequency stability ===== | ||
- | * **Fundamental limit: Thermal noise limit** | ||
- | * {{ : | ||
- | * {{ : | ||
- | * **Reduction of thermal noise limit** | ||
- | * **Higher-order mode locking:** | ||
- | * {{ : | ||
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- | * **Laser Lock: Pound-Drever-Hall (PDH):** | ||
- | * {{ : | ||
- | * EOM-Temperature | ||
- | * **Vibration: | ||
- | * {{ : | ||
- | * https:// | ||
- | * **Residual amplitude modulation: | ||
- | * {{ : | ||
- | * {{ : | ||
- | * {{ : | ||
- | * {{ : | ||
- | * **Temperature/ | ||
- | * **ULE compensations rings: | ||
- | * {{ : | ||
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- | * Mercury (Paris) cavity: | ||
- | * {{ : | ||
- | * {{ : | ||
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- | ==== Coating ==== | ||
- | * **Crystaline coatings:** | ||
- | * {{ : | ||
- | * {{ : | ||
- | coatings}}, M. Marchito et al., Opt. Exp. 6114, Vol. 26, No. 5 (2018) | ||
- | ==== Spacer geometries / Cavity types ==== | ||
- | * **Vertical geometry:** | ||
- | * **Length: 2.5 cm:** | ||
- | * {{ : | ||
- | for ultra-low-noise microwave generation}}, | ||
- | * **Length: 7 cm:** | ||
- | * {{ : | ||
- | * **Length: 10 cm:** | ||
- | * {{ : | ||
- | * **Length: 48 cm:** | ||
- | * {{ : | ||
- | * A strontium lattice clock with 3×10^−17 inaccuracy and its frequency: {{ : | ||
- | |||
- | * **Cubic geometry:** | ||
- | * {{ : | ||
- | * PTB took the NPL-design and updated it for a better longterm stability (see Häfner PHD-thesis, Chapter 4.2) | ||
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- | * **Cryogenic single-crystal optical cavities:** | ||
- | * **Length: 6 cm:** | ||
- | * **Length: 21 cm:** | ||
- | * {{ : | ||
- | * {{ : | ||
- | * https:// | ||
- | |||
- | ==== Measurement/ | ||
- | * {{ : | ||
- | * {{ : | ||
- | lasers via digital cross correlation | ||
- | }}, X. Xie et al., Vol. 42, Issue 7, pp. 1217-1220 (2017) | ||
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- | ==== Applications ==== | ||
- | * **Transfer of stability: | ||
- | * {{ : | ||
- | * **Transportable cavities:** | ||
- | * {{ : | ||
- | * **Lorentz invariance for the electron:** |