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Polarization spatial heterodyne interferometer: model and calibration

机译：极化空间外差干涉仪：模型和校准

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摘要

Spatial heterodyne interferometry (SHI) is a technique based on Fourier transform spectroscopy. As such, many of the benefits, such as high spectral resolving power, can be realized. Furthermore, unlike a Fourier transform spectrometer, an SHI is able to minimize the number of required samples for a given resolving power and spectral range. The calibration and detailed modeling of a polarization spatial heterodyne interferometer (PSHI) are detailed. Unlike our original first-order ray tracing model, the new model is based on the Jones matrix formalism. Using this improved model, we explore the nonideal aspects of the PSHI, including interference effects caused by retardance errors in the polarization grating and quarter wave plate. To minimize the influence of these errors, a calibration procedure is described based on a linear operator theory. Finally, the Jones matrix model and calibration procedure are validated through a series of simulations and experiments.
机译：空间外差干涉法（SHI）是一种基于傅立叶变换光谱技术的技术。这样，可以实现许多好处，例如高光谱分辨能力。此外，与傅立叶变换光谱仪不同，SHI能够在给定的分辨力和光谱范围内将所需样本的数量减至最少。详细介绍了偏振空间外差干涉仪（PSHI）的校准和详细建模。与我们最初的一阶光线跟踪模型不同，新模型基于琼斯矩阵形式主义。使用这个改进的模型，我们探索了PSHI的非理想方面，包括由偏振光栅和四分之一波片中的延迟误差引起的干扰效应。为了最小化这些误差的影响，基于线性算子理论描述了校准过程。最后，通过一系列的仿真和实验验证了琼斯矩阵模型和校准程序。

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  • 来源
    《Optical engineering》 |2014年第4期|044104.1-044104.9|共9页
  • 作者

    Michael W. Kudenov; Matthew N. Miskiewicz; Michael J. Escuti; James F. Coward;

  • 作者单位

    North Carolina State University, Department of Electrical and Computer Engineering, 2410 Campus Shore Drive, Raleigh, North Carolina 27606;

    North Carolina State University, Department of Electrical and Computer Engineering, 2410 Campus Shore Drive, Raleigh, North Carolina 27606;

    North Carolina State University, Department of Electrical and Computer Engineering, 2410 Campus Shore Drive, Raleigh, North Carolina 27606;

    SA Photonics, 130 Knowles Drive Suite A, Los Gatos, California 95032;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    interferometry; polarization; birefringence; heterodyning; spectrometers;

    机译：干涉测量偏振;双折射外差光谱仪;

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