单晶硅太阳能电池作为精确通量校准传感器的特性和量子效率测定

IF 1.5 Q3 ASTRONOMY & ASTROPHYSICS Journal of Astronomical Instrumentation Pub Date : 2021-08-23 DOI:10.1142/s2251171722500027
Sasha R. Brownsberger, Lige Zhang, D. Andrade, Christopher Stubbs
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引用次数: 2

摘要

随着天体物理学的精度前沿向一个毫量级的水平发展,光度仪器的通量校准仍然是一个持续的挑战。我们展示了实验室台架对单晶硅太阳能电池作为大孔径(直径高达125[公式:见正文]mm)高精度光电探测器的可行性进行评估的结果。我们测量了Sunpower制造的第三代C60太阳能电池的电学特性、空间响应均匀性、量子效率(QE)和频率响应。我们的新结果,结合我们之前对这些电池的线性、暗电流和噪声特性的研究,表明这些器件具有相当大的前景,其QE和线性可以与传统的小孔径光电二极管相媲美。我们认为,任何依赖于大直径光束强度精确知识的光校准项目都应该考虑使用太阳能电池作为校准光电探测器。
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Characterization and Quantum Efficiency Determination of Monocrystalline Silicon Solar Cells as Sensors for Precise Flux Calibration
As the precision frontier of astrophysics advances toward the one millimagnitude level, flux calibration of photometric instrumentation remains an ongoing challenge. We present the results of a lab-bench assessment of the viability of monocrystalline silicon solar cells to serve as large-aperture (up to 125[Formula: see text]mm diameter), high-precision photodetectors. We measure the electrical properties, spatial response uniformity, quantum efficiency (QE), and frequency response of third-generation C60 solar cells, manufactured by Sunpower. Our new results, combined with our previous study of these cells’ linearity, dark current, and noise characteristics, suggest that these devices hold considerable promise, with QE and linearity that rival those of traditional, small-aperture photodiodes. We argue that any photocalibration project that relies on precise knowledge of the intensity of a large-diameter optical beam should consider using solar cells as calibrating photodetectors.
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来源期刊
Journal of Astronomical Instrumentation
Journal of Astronomical Instrumentation ASTRONOMY & ASTROPHYSICS-
CiteScore
2.30
自引率
7.70%
发文量
19
期刊介绍: The Journal of Astronomical Instrumentation (JAI) publishes papers describing instruments and components being proposed, developed, under construction and in use. JAI also publishes papers that describe facility operations, lessons learned in design, construction, and operation, algorithms and their implementations, and techniques, including calibration, that are fundamental elements of instrumentation. The journal focuses on astronomical instrumentation topics in all wavebands (Radio to Gamma-Ray) and includes the disciplines of Heliophysics, Space Weather, Lunar and Planetary Science, Exoplanet Exploration, and Astroparticle Observation (cosmic rays, cosmic neutrinos, etc.). Concepts, designs, components, algorithms, integrated systems, operations, data archiving techniques and lessons learned applicable but not limited to the following platforms are pertinent to this journal. Example topics are listed below each platform, and it is recognized that many of these topics are relevant to multiple platforms. Relevant platforms include: Ground-based observatories[...] Stratospheric aircraft[...] Balloons and suborbital rockets[...] Space-based observatories and systems[...] Landers and rovers, and other planetary-based instrument concepts[...]
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