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A corner-reflector mixer mount for far infrared wavelengths
J Zmuidzinas1, A L Betz, R T Boreiko
1Space Sciences Laboratory, University of California, Berkeley 94720, USA.
Infrared Physics
|January 1, 1989
Summary
A novel corner-reflector mixer mount offers easy fabrication and frequency versatility for terahertz applications. Its design ensures a strong central lobe, verified across various antenna lengths and frequencies.
Area of Science:
- Electrical Engineering
- Terahertz Technology
- Antenna Design
Background:
- Corner-reflector antennas are crucial for directional signal transmission.
- Efficient mixer mounts are essential for sensitive signal detection in terahertz systems.
- Existing designs often face challenges in fabrication, assembly, and frequency adaptability.
Purpose of the Study:
- To design and construct a novel corner-reflector mixer mount.
- To achieve ease of fabrication, assembly, and broad frequency versatility.
- To verify the performance of the new mixer mount experimentally.
Main Methods:
- A new corner-reflector mixer mount was designed and fabricated.
- The mount incorporates a microstrip matching network for impedance matching and isolation.
- Antenna lengths greater than or equal to 4 lambda were utilized, with adjustable reflector-to-antenna spacing.
Main Results:
- The mixer mount demonstrated ease of fabrication and assembly.
- Experimental verification confirmed predicted response patterns for various antenna lengths.
- Performance was validated across operating frequencies ranging from 800 to 2000 GHz.
- The microstrip matching network effectively eliminated IF impedance mismatch.
Conclusions:
- The designed corner-reflector mixer mount offers significant advantages in fabrication, assembly, and frequency versatility.
- The device achieves a strong and symmetric central lobe, crucial for efficient signal reception.
- The incorporation of a microstrip matching network enhances performance and reliability in terahertz systems.