Measurement of Linear or Elliptic Polarization State of Laser Radiation with Three-Grating Bolometers
The results of experimental analysis of polarization state of wide-aperture laser radiation of a neodymium generator with a three-grating platinum profile bolometer are shown. Signals of 48 bolometer elements of gratings have been recorded with multichannel high-speed and highly sensitive analog-to-...
Збережено в:
| Дата: | 2012 |
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| Автори: | , , , , , |
| Формат: | Стаття |
| Мова: | rus |
| Опубліковано: |
Видавничий дім «Академперіодика»
2012
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| Онлайн доступ: | http://rpra-journal.org.ua/index.php/ra/article/view/527 |
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| Назва журналу: | Radio physics and radio astronomy |
Репозитарії
Radio physics and radio astronomy| Резюме: | The results of experimental analysis of polarization state of wide-aperture laser radiation of a neodymium generator with a three-grating platinum profile bolometer are shown. Signals of 48 bolometer elements of gratings have been recorded with multichannel high-speed and highly sensitive analog-to-digit transformers and stored to computer. The direction angle of linear polarization of radiation has been measured with the root-mean-square deviation (RMSD) 0.52°, relative squares of semi-axes of polarization ellipse with the absolute RMSD 1.2*10-2 and their direction angles with the absolute RMSD 0.13°. The method of measurements considered can be used within a wide spectral band. |
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