Fabrication of transmissive diffractive optical elements for the mid-infrared with a laser writing instrument

 

S. Calixto, Gil. A. Pérez-Herrera, M. Strojnik, M. Servin, Zacarias-Malacara & Reyna A. Duarte-Quiroga

 

Centro de Investigaciones en Óptica, A. C., Apartado Postal 1-948, 37000 León, Gto., México. scalixto@cio.mx

 

Abstract

A simple method to fabricate infrared (λ = 10.6 μm) diffractive optical elements that work in a transmission mode is presented. A laser-writing instrument completely under computer control has been built to demonstrate the feasibility of this method. Several diffractive elements, fabricated using the laser-writing instrument, are described.

Keywords: Diffractive elements, infrared, infrared components, transmissive optics.

 

Resumen

Se presenta un método sencillo para fabricar elementos ópticos difractores para infrarrojo (λ =10.6 μm). Estos elementos trabajan en transmisión. Para la fabricación de ellos se construyó un instrumento de escritura por medio de luz láser controlado por computadora. Varios de los elementos ópticos difractores fueron evaluados.

 

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