Assembly of a Faraday modulator for polarimetric measurements

7th Brazilian Congress on Metrology

Silva, C.R.^1 ; Guedes, M.B.^1 ; Pereira, N.C.E.^1 ; Alvarenga, A.D.^1

Laboratory of Colorimetry and Spectrophotometry (Lacoe), Optical Metrology Division (Diopt), National Institute of Metrology, Quality and Technology (Inmetro), Av. N. Sr.a das Graças 50, Duque de Caxias Xerém, RJ

ZIP 25250-020, Brazil^1

关键词: Control plate;    Faraday modulators;    Polarimetric measurements;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/575/1/012019/pdf
DOI  :  10.1088/1742-6596/575/1/012019

来源: IOP

【 摘 要 】

We present the construction of a Faraday modulator for use in a polarimeter set up for quartz control plates optical rotation calibration. The choice of a glass type and relevant parameters for modulation are shown as well as initial test results.