Material	Fused silica
Size	Cavity outer size: max 1505040, other customized, Wall thickness ≥3mm
Size tolerance	±0.02
Assembly mode	The mirror and the cavity are equipped with a photoadhesive bonding scheme
Coating requirement	Wavelength range 420-3000nm, transmittance, incident angle, loss and other indicators can be customized; Note: Commonly used wavelengths 420nm, 820nm, 850nm, 1012nm, 1020nm, 780nm, 795nm, 1064nm, etc
Vacuum degree	<1×10⁻¹⁰ Pa
Vacuum leakage	1×10⁻¹² Pa·m³/S
Baking Temperature	≤280℃
Vacuum flange	Non-magnetic alloy flanges, weak magnetic flanges (flange specifications: CF16, CF35, CF63)
Fused silica tube wall thickness	3–5 mm
Application	All kinds of atomic clocks, cold atoms, Rydberg atoms, neutral atoms Quantum computing, gravity measurement, quantum optics, quantum communication, magnetic field measurement, space exploration, cold atom physics, neutral atom, Rydberg atom

Vacuum glass cacity