TY - JOUR
T1 - Performance enhancement of inexpensive glow discharge detector operating in up-conversion mode in millimeter wave detection for focal plane arrays
AU - Kurup, Arun Ramachandra
AU - Rozban, Daniel
AU - Kahana, Lidor
AU - Abramovich, Amir
AU - Yitzhaky, Yitzhak
AU - Kopeika, Natan
N1 - Publisher Copyright:
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.
PY - 2021/10/1
Y1 - 2021/10/1
N2 - Performance enhancement of a very inexpensive millimeter-wave (MMW)/terahertz (THz) sensor for MMW/THz imaging systems is experimentally demonstrated in this study. The MMW sensor is composed of a glow discharge detector (GDD) and a light-to-frequency (LTF) converter combination. The experimental results given in this study show an improvement in the performance parameters of the detector element, such as the minimum detectable signal, as well as the signal to noise ratio (SNR) and the noise equivalent power (NEP), when a NIR long-pass filter was inserted between the GDD and the LTF combination. A detailed derivation of the NEP of this unique sensor is presented in this work. Based on this derivation and the experimental measurements, the NEP value was calculated.
AB - Performance enhancement of a very inexpensive millimeter-wave (MMW)/terahertz (THz) sensor for MMW/THz imaging systems is experimentally demonstrated in this study. The MMW sensor is composed of a glow discharge detector (GDD) and a light-to-frequency (LTF) converter combination. The experimental results given in this study show an improvement in the performance parameters of the detector element, such as the minimum detectable signal, as well as the signal to noise ratio (SNR) and the noise equivalent power (NEP), when a NIR long-pass filter was inserted between the GDD and the LTF combination. A detailed derivation of the NEP of this unique sensor is presented in this work. Based on this derivation and the experimental measurements, the NEP value was calculated.
KW - Focal plane array
KW - Glow discharge detector
KW - Light-to-frequency converter
KW - Millimeter wave imaging
KW - Millimeter wave to visible up-conversion imaging
KW - Quasi optical design
KW - Terahertz sensor
UR - https://www.scopus.com/pages/publications/85117309452
U2 - 10.3390/app11209564
DO - 10.3390/app11209564
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AN - SCOPUS:85117309452
SN - 2076-3417
VL - 11
JO - Applied Sciences (Switzerland)
JF - Applied Sciences (Switzerland)
IS - 20
M1 - 9564
ER -