Dual-comb absolute ranging reaches orbit

Puntos clave

• To demonstrate the operational capabilities of a dual-comb absolute-ranging system in a space environment.
• Delivered payload to Tiangong space station aboard Tianzhou-9
• Conducted interferogram acquisition during extravehicular activity
• Monitored system performance over multiple months
• Achieved 13 µm precision at a 1 kHz update rate
• Demonstrated stable operation in space for months
• Advanced traceable space metrology for future applications

Resumen