A. E. Shepelev, A. G. Putilov, A. A. Antipov, A. A. Angeluts, “Generation of radiation from a quantum-cascade mid-IR laser”, Kvantovaya Elektronika, 2022, Volume 52, Number 9,Pages <nobr>779

Lasers

Generation of radiation from a quantum-cascade mid-IR laser

A. E. Shepelev^a, A. G. Putilov^a, A. A. Antipov^ab, A. A. Angeluts^ca

^a Institute on Laser and Information Technologies, Branch of the Federal Research Centre ‘Crystallography and Photonics’
^b Ioffe Institute, St. Petersburg
^c Faculty of Physics, Lomonosov Moscow State University

Abstract: A quantum cascade laser (QCL) is studied and the results of registration of the radiation pattern in the far zone are presented. An optical system based on a single-lens objective is calculated, which makes it possible to increase the efficiency of collimation of radiation from the QCL under study. The QCL radiation formation by the proposed lens is simulated.

Keywords: quantum-cascade laser, radiation pattern.

Received: 16.06.2022
Revised: 11.08.2022