Setup for measuring the threshold energy of infrared radiation

Ershov, A.G., Kuvaldin, E.V.

Full text «Opticheskii Zhurnal»

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Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Ершов А.Г., Кувалдин Э.В. Установка для измерения пороговой энергии излучения в инфракрасной области спектра // Оптический журнал. 2019. Т. 86. № 6. С. 50–53. http://doi.org/10.17586/1023-5086-2019-86-06-50-53

Ershov A.G., Kuvaldin E.V. Setup for measuring the threshold energy of infrared radiation [in Russian] // Opticheskii Zhurnal. 2019. V. 86. № 6. P. 50–53. http://doi.org/10.17586/1023-5086-2019-86-06-50-53

For citation (Journal of Optical Technology):

A. G. Ershov and É. V. Kuvaldin, "Setup for measuring the threshold energy of infrared radiation," Journal of Optical Technology. 86(6), 367-369 (2019). https://doi.org/10.1364/JOT.86.000367

Abstract:

A setup for measuring the sensitivity and threshold energy of photodetectors and optoelectronic devices is described. It includes a continuous-wave CO₂ laser, rotating prism, and two types of attenuators. The setup makes it possible to create a calibrated radiation energy with a large attenuation coefficient. An attenuator in the form of an integrating sphere with a collimator objective makes it possible to align the optical axes of the setup and the optoelectronic device under test and obtain a uniform illumination at its entrance pupil.

Keywords:

setup, measuring, radiation threshold energy, calibrated attenuator, infrared range

OCIS codes: 120.3930, 120.2440, 120.3150, 120.5240

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