Substrate-independent broad-band immersion microlens arrays with a high coupling efficiency for infrared focal plane arrays

CM Kang, S Bianconi, T Hamilton… - ACS Applied …, 2022 - ACS Publications
The sensitivity of infrared (IR) focal plane arrays (FPAs) is often limited by a low pixel fill
factor. Solid immersion microlens arrays address this problem by focusing the light reaching …

Signal-to-noise analysis of point target detection using image pixel binning for space-based infrared electro-optical systems

J Zhang, L Zheng, XX Zhou, J Mei, T Hu, X Ni… - Infrared Physics & …, 2023 - Elsevier
It is well known that pixel binning is an effective method for improving the signal-to-noise
ratio (SNR) of silicon detectors. It has found extensive use in the study of spectroscopy …

A large-aperture remote sensing camera calibration method based on stellar and inner blackbody

Z Chen, Z Hu, X Su, T Hu, F Chen - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Radiometric calibration of satellites is one of the core technologies for analyzing satellite
data quantitatively. For large-aperture remote sensing cameras, the blackbody is placed in …

Absolute evaluation of the optical transfer function of the high aperture infrared cryogenic objective

J Gorée, E Huard de Verneuil, J Primot, O Gravrand… - Optics …, 2024 - opg.optica.org
The field of infrared detectors is experiencing a strong movement towards smaller pixel
pitches, and it is now common to see pitches close to the wavelength. This raises major …

A Correction Algorithm of the Sampling Effect and Its Application in High-Precision Astrometry

Y Sun, J Zhou - Universe, 2022 - mdpi.com
The sampling effect of the imaging acquisition device is an integration of the input signal
within the pixel, resulting in an additional error in the pixel value. Additionally, a sampler with …