RU2015114754A - DIFFERENTIAL POLARIZATION INTERFEROMETER - Google Patents
DIFFERENTIAL POLARIZATION INTERFEROMETER Download PDFInfo
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- RU2015114754A RU2015114754A RU2015114754A RU2015114754A RU2015114754A RU 2015114754 A RU2015114754 A RU 2015114754A RU 2015114754 A RU2015114754 A RU 2015114754A RU 2015114754 A RU2015114754 A RU 2015114754A RU 2015114754 A RU2015114754 A RU 2015114754A
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- polarizer
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- optically coupled
- interferometer
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Abstract
Дифференциальный поляризационный интерферометр, включающий оптически связанные источник когерентного, перестраиваемого по частоте излучения и первый поляризатор, отличающийся тем, что содержит широкополосный неполяризующий куб-светоделитель, формирующий две оптически связанные ветви, в первой ветви последовательно расположены двоякопреломляющий элемент, установленный на основании с регулировкой поворота, образец, состоящий из прозрачной подложки, на часть поверхности которой нанесена исследуемая пленка, установленный на основании с регулировкой сдвига положения и наклона, прерыватель оптического излучения с системой отверстий, плоское широкополосное зеркало, отражающее падающие на него пучки в обратном направлении и обеспечивающее двукратное прохождение излучения через образец и двоякопреломляющий элемент, во второй ветви интерферометра последовательно расположены управляемый фазовый компенсатор, второй поляризатор и фотоприемник.A differential polarization interferometer, including an optically coupled source of coherent, frequency-tunable radiation and a first polarizer, characterized in that it contains a broadband non-polarizing cube-beam splitter that forms two optically coupled branches, a birefringent element located in series on the base with rotation control a sample consisting of a transparent substrate, on the part of the surface of which the investigated film is deposited, mounted on the basis of with adjustment of the position and tilt shift, an optical radiation chopper with a system of holes, a flat broadband mirror reflecting incident beams on it in the opposite direction and providing double transmission of radiation through the sample and the birefringent element, in the second branch of the interferometer there is a series-controlled phase compensator, a second polarizer and photodetector.
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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RU2015114754A RU2015114754A (en) | 2015-04-20 | 2015-04-20 | DIFFERENTIAL POLARIZATION INTERFEROMETER |
US14/929,374 US9778019B2 (en) | 2015-02-09 | 2015-11-01 | Differential polarization interferometer |
EP16154687.4A EP3054274B1 (en) | 2015-02-09 | 2016-02-08 | Differential polarization interferometer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2015114754A RU2015114754A (en) | 2015-04-20 | 2015-04-20 | DIFFERENTIAL POLARIZATION INTERFEROMETER |
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Publication Number | Publication Date |
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RU2015114754A true RU2015114754A (en) | 2016-11-10 |
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Application Number | Title | Priority Date | Filing Date |
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RU2015114754A RU2015114754A (en) | 2015-02-09 | 2015-04-20 | DIFFERENTIAL POLARIZATION INTERFEROMETER |
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RU (1) | RU2015114754A (en) |
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2015
- 2015-04-20 RU RU2015114754A patent/RU2015114754A/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
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FA92 | Acknowledgement of application withdrawn (lack of supplementary materials submitted) |
Effective date: 20161216 |