In the most widely used beam splitter, a thin film of ________ is sandwiched between two plates of low refractive index solid. Fill the blank with a suitable option.(a) Mylar(b) Silicon carbide(c) Ferrous oxide(d) Silver chlorideI have been asked this question in a job interview.Query is from Fourier Transform Infra-red Spectrometers topic in division Colorimetry and Spectrometry of Analytical Instrumentation

In the most widely used beam splitter, a thin film of ________ is sand

1.	In the most widely used beam splitter, a thin film of ________ is sandwiched between two plates of low refractive index solid. Fill the blank with a suitable option.(a) Mylar(b) Silicon carbide(c) Ferrous oxide(d) Silver chlorideI have been asked this question in a job interview.Query is from Fourier Transform Infra-red Spectrometers topic in division Colorimetry and Spectrometry of Analytical Instrumentation
Answer» The correct choice is (a) Mylar The best I can explain: Generally, mylar is the thin film used in beam SPLITTERS. Beam splitter has to pass 50% of the RADIATION and REFLECT 50% of the radiation.

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