A review on the evolvement of optical-frequency filtering in photonic devices in 2016–2021

HY Pan, X Chen, XL **a - Renewable and Sustainable Energy Reviews, 2022‏ - Elsevier
In photonic devices, the optical filter plays an essential role by steering the electromagnetic
wave in optical frequency to reshape the spectrum. However, suffering from the imperfect …

[PDF][PDF] Review of photodetectors characterization methods

Z Bielecki, K Achtenberg, M Kopytko… - Bulletin of the Polish …, 2022‏ - bibliotekanauki.pl
The review includes results of analyses and research aimed at standardizing the concepts
and measurement procedures associated with photodetector parameters. Photodetectors …

[HTML][HTML] Development of primary reference facilities and measurement comparison of standard artifacts for the bidirectional transmittance distribution function

J Fu, T Quast, E Velke, M Esslinger… - Review of Scientific …, 2023‏ - pubs.aip.org
To determine the bidirectional transmittance distribution function (BTDF) of diffusely
transmitting materials, two new primary facilities have been developed at the Physikalisch …

Gonioreflectometer for measuring 3D spectral BRDF of horizontally aligned samples with traceability to SI

D Lanevski, F Manoocheri, E Ikonen - Metrologia, 2022‏ - iopscience.iop.org
Present article describes a 3D gonioreflectometer developed at Aalto University for the
measurement of spectral bidirectional reflectance distribution function (sBRDF) of …

Optical power detector with broad spectral coverage, high detectivity, and large dynamic range

J Rossi, J Uotila, S Sharma, T Hieta, T Laurila… - Optics Letters, 2022‏ - opg.optica.org
Optical power measurements are needed in practically all technologies based on light.
Here, we report a general-purpose optical power detector based on the photoacoustic effect …

[HTML][HTML] Electromagnetic radiation detection using cantilever-based photoacoustic effect: A method for realizing power detectors with broad spectral sensitivity and …

S Sharma, T Laurila, J Rossi, J Uotila, M Vainio… - Sensors and Actuators A …, 2022‏ - Elsevier
A sensitive photoacoustic detection approach employing a silicon cantilever is investigated
for power measurement of electromagnetic radiation. The technique which is actuated by …

[PDF][PDF] 恒流源对**红外光谱传感器测量不确定度的影响

方立德, 徐潇潇, 赵计勋, 韦子辉 - 计量学报, 2022‏ - jlxb.china-csm.org
**红外光源的稳定性影响**红外技术的可靠程度. 提高其电源的稳定性, 可提高**红外光源的
稳定性, 改善实验室**红外技术在气液两相流的应用. 使用高精密恒流源为**红外光源供电 …

Investigations and Applications of Angle-Resolved Measurements of Spectral Reflectance and Transmittance

R Aschan - 2024‏ - aaltodoc.aalto.fi
This doctoral thesis explores the quantification of a material's appearance through angle-
resolved measurements of spectral reflectance and transmittance. The appearance of a …

Cantilever-based photoacoustic sensor for terahertz range

E Ikonen, S Sharma, M Ahmadi, J Rossi… - … , RF, Millimeter, and …, 2023‏ - spiedigitallibrary.org
Advantages of photoacoustic detection with a silicon cantilever microphone are
demonstrated in the THz range. In our method, earlier membrane microphone is replaced …

Electromagnetic radiation detection with broad spectral sensitivity and large dynamic range using cantilever-based photoacoustic effect

S Sharma, T Laurila, J Rossi, J Uotila, M Vainio… - arxiv preprint arxiv …, 2021‏ - arxiv.org
A sensitive photoacoustic detection approach employing a silicon cantilever is investigated
for power measurement of electromagnetic radiation. The technique which is actuated by …