Features:
- High Isolation
- Low Insertion Loss
Cryogenic Coaxial Circulators are specialized non-reciprocal microwave devices designed to operate at extremely low temperatures (typically liquid helium temperatures, 4K or below). Circulators are three- or four-port devices that direct microwave signals in a specific circular pattern (e.g., Port 1 → Port 2 → Port 3 → Port 1), providing isolation between ports. In cryogenic environments, these devices are essential for applications such as quantumcomputing, superconducting electronics, and low-temperature experiments, where precisesignal routing and isolation are critical.
1. Cryogenic Performance: Millimeter wave cryogenic coaxial circulators designed to function reliably at cryogenic temperatures (e.g., 4K, 1K, or even lower). Constructed using materials that maintain their magnetic and electrical properties at lowtemperatures, such as ferrites and superconductors.
2. Low Insertion Loss: Ensures minimal signal attenuation in the forward direction, which is critical for maintaining signal integrity in sensitive applications.
3. High Isolation: Provides excellent isolation between ports to prevent signal leakage andinterference.
4. Wide Frequency Range: Microwave cryogenic coaxial circulators supports a broad range of frequencies, typically from a few MHz to several GHz, depending on the design and application.
5. Compact and Lightweight Design: Optimized for integration into cryogenic systems, where spaceand weight are often limited.
6. Low Thermal Load: Minimizes heat transfer to the cryogenic environment, ensuring stableoperation of the cooling system.
7. High Power Handling: Capable of handling significant power levels without performancedegradation, which is important for applications like quantum computing and radio astronomy.
1. Quantum Computing: RF cryogenic coaxial circulators used in superconducting quantum processors to route microwave control and readout signals, ensuring clean signal transmission and reducing noise that could decohere qubits. Integrated into dilution refrigerators to maintain signal purity at millikelvin temperatures.
2. Superconducting Electronics: Employed in superconducting circuits and sensors to route signals andprovide isolation, ensuring accurate signal processing and measurement.
3. Low-Temperature Experiments: Applied in cryogenic research setups, such as studies of super conductivity or quantum phenomena, to maintain signal clarity and reduce noise.
4. Radio Astronomy: Used in cryogenic receivers of radio telescopes to route signals and improve thesensitivity of astronomical observations.
5. Medical Imaging: Utilized in advanced imaging systems like MRI (Magnetic Resonance Imaging) that operate at cryogenic temperatures to enhance signal quality.
6. Space and Satellite Communication: Employed in cryogenic cooling systems of space-basedinstruments to manage signals and improve communication efficiency.
Qualwave supplies cryogenic coaxial circulators in a broad range from 4GHz to 8GHz. Our cryogenic coaxial circulators are widely used in many areas.
Cryogenic Coaxial Circulators | ||||||||||
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Part Number | Frequency (GHz) | Bandwidth (MHz Max.) | IL (dB max.) | Isolation (dB Min.) | VSWR (max.) | Average Power (W max.) | Conenector | Temperature (K) | Size (mm) | Lead Time (weeks) |
QCCC-4000-8000-04-S | 4~8 | 4000 | 0.2 | 20 | 1.3 | - | SMA | 4 (-269.15℃) | 24.2*25.5*13.7 | 2~4 |
Cryogenic Dual Junction Coaxial Circulators | ||||||||||
Part Number | Frequency (GHz) | Bandwidth (MHz Max.) | IL (dB max.) | Isolation (dB Min.) | VSWR (max.) | Average Power (W max.) | Conenector | Temperature (K) | Size (mm) | Lead Time (weeks) |
QCDCC-4000-8000-04-S | 4~8 | 4000 | 0.4 | 40 | 1.3 | - | SMA | 4 (-269.15℃) | 47*25.5*13.7 | 2~4 |
Cryogenic Triple Junction Coaxial Circulators | ||||||||||
Part Number | Frequency (GHz) | Bandwidth (MHz Max.) | IL (dB max.) | Isolation (dB Min.) | VSWR (max.) | Average Power (W max.) | Conenector | Temperature (K) | Size (mm) | Lead Time (weeks) |
QCTCC-4000-8000-04-S | 4~8 | 4000 | 0.6 | 60 | 1.3 | - | SMA | 4 (-269.15℃) | 47*25.5*13.7 | 2~4 |