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Generation of 8 μm radiation in a ZnGeP2 single crystal at a difference frequency, with pumping by telecommunication-band radiation of 1.5 μm and radiation at a wavelength of 1.908 μm

Year: 2024

Type: article

Abstract: \nThis study theoretically investigates difference frequency generation in a ZnGeP2 crystal pumped by a fiber laser (1.53 μm) and a Tm:YLF laser (1.908 μm) for generating mid-infrared radiation. The theoretical model incorporates phase matching conditions, nonlinear susceptibility, crystal length, and beam parameters (sum of the average power of the pump wave and signal wave and the pulse duratio)to estimate the generated pulse and average power. The impact of absorption and pulse duration on the output power is analyzed. Results indicate that increasing pump power and decreasing pulse duration enhance the average output power. The study provides a theoretical framework for designing efficient difference frequency generation-based mid-infrared sources.\n

Source: Springer Link (Chiba Institute of Technology)

DOI: 10.1051/bioconf/202414503024/pdf

Authors: Nikolay Yudin, Mikhail Zinovev, Vladimir Kuznetsov, Maxim Kulesh, Sergey Podzyvalov, Elena Slyunko, Hussein Baalbaki, Alexey Lysenko, Andrey Kalsin, Akmal Gabdrakhmanov

Institutions: National Research Tomsk State University, V.E. Zuev Institute of Atmospheric Optics

Language: English

Topic: Solid State Laser Technologies

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: green

Funders: Siberian Branch, Russian Academy of Sciences, Ministry of Science and Higher Education of the Russian Federation

OpenAlex ID: W6884522960

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