Open AccessDesign and Implementation of a Semi-Reflective Plate Operating in the Visible and near Infrared Fields, with Reflection Coefficient Robust to the Light Wavelength and Angle of Incidence
Author(s) -
Mohammad Saeed Marouf,
AUTHOR_ID
Publication year - 2021
Language(s) - English
DOI - 10.47363/jpsos/2021(3)154
Subject(s) - optics , infrared , laser , polarization (electrochemistry) , wavelength , reflector (photography) , materials science , visible spectrum , optoelectronics , reflection coefficient , molar absorptivity , perpendicular , reflection (computer programming) , physics , light source , computer science , mathematics , programming language , chemistry , geometry
This research illustrates the design of a parallel plate reflector operating in the visible and near infrared fields, with a reflection and/or transmission coefficients equal to 50%, and robust to the polarization of the used light and its extinction ratio (PER), in each of the two directions of polarization (perpendicular S and parallel P). Also there is no need for accurate adjustment of the plate so that the angle of incidence is exactly equal to 45°. The research has its various applications in optical measurements laboratories, laser technology laboratories, optical communication laboratories, and photography. One of the most important applications of this plate is ophthalmology devices, which can be used as glasses for people with impaired vision, light measurements in laser laboratories and optical measurements. Purpose of the Research: The need for the use of one semi-reflector plate for all the visible and near infrared fields, instead of using one for each wavelength or light field, which will reduce the number of needed optical pieces used in the optical measurement and laser technology laboratories, because of its wide applications.