کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
846277 909179 2014 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Full-field refractive index measurement with simultaneous phase-shift interferometry
ترجمه فارسی عنوان
اندازه گیری شاخص شکست انبساط کامل با تداخل سنجی همزمان فاز تغییر
کلمات کلیدی
شاخص شکست انبساط کامل، تداخل سنجی فاز همزمان همزمان، بازتاب داخلی در کل
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
چکیده انگلیسی

Using the phenomenon of total internal reflection and a beam splitting device, a technique of simultaneous phase-shift interferometry is proposed for measuring the full-field refractive index. Because this method applies a beam splitting device that mimics the characteristics of beam splitting and phase modulation, four interferemetric images of various phase distributions can be simultaneously captured. Therefore, this setup can avoid errors caused by non-simultaneous capturing of images and offers the benefits of high stability, ease of operation, and real-time measurement. Furthermore, using the phenomenon of total internal reflection, the phase difference between p- and s-polarized light varies considerably with the refractive index of a tested specimen. This can substantially increase the measurement resolution. The feasibility of this method is verified using an experiment, and the measurement resolution can be higher than 3.65 × 10−4 RIU.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optik - International Journal for Light and Electron Optics - Volume 125, Issue 13, July 2014, Pages 3307–3310
نویسندگان
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