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Solid-State DNP-NMR Spectrometer 263 GHz AVANCE™ III

• 25 W 263 GHz gyrotron tube
• 9.7 T gyrotron magnet with superconducting gun coil
• Control system hardware and software, power supplies and cooling networks
• 263 GHz microwave transmission line from gyrotron to NMR sample
• Low temperature MAS probe with built-in waveguide and cold gas supply

These components are assembled with a standard 400 MHz WB solids spectrometer.

• Low sample temperature (~ 100 K)
• Cold sample coil and RF circuit
• 3.2 mm MAS rotor (17 kHz max at 100 K) 
• WB triple resonance probe (H/C/N)
• Insert/eject of cold samples
• Dry low-temperature nitrogen gas supply
• 3 lines:  bearing, drive and VT
• Automatic refill of liquid nitrogen supply
• Waveguide for microwave irradiation
• Long term operation (days, weeks)

• Microwave frequency 263 GHz
• Frequency stability ± 10 ppm
• Microwave output power 1- 50 W
• Operation modes 10 days or longer
• Easy and safe operation

• User Interface
• Controls and regulation
• Temps, voltages, water cooling, gyrotron magnet