IR-Filter Gold-plated OFHC copper with SMA connectors

IR-Filter

Infrared-Filter for Microwave Signals

YQ-IR-110A | DC – 10GHz, 50Ω

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This reliable infrared filter protects the coherence of your qubits by blocking high-energy radiation. Our filters are manufactured using a simple, patent-pending process that ensures consistent transmission and reflection parameters across multiple units.

For versions with different attenuation levels or connector interfaces, please contact YQuantum.

Key performance metrics are:

  • IR-filter for microwave signals to protect qubit coherence 
  • Reliable, patented-pending manufacturing process 
  • Gold-plated OFHC copper casing for cryogenic use 
  • 2.5 dB loss at 6 GHz
  • High return loss > 20.0 dB
  • Low insertion- and high return-loss
  • SMA connector interface
  • 7.5mm in diameter
  • Based on ©Eccosorb CR 110

Typical Performance​

RF frequency DC – 10 GHz
Insertion loss < 6.0 dB
Return loss > 20.0 dB

Circuit Schematic

Scattering-Parameters

* Cryogenic measurement done in liquid helium dipstick & normalized to reference through.

Wideband Attenuation

Drawing Casing [mm]

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