The optogalvanic effect as a power detector for high-power, fast-transverse-flow CO2 lasers

In this work, a new method for measuring the power of light beams generated by fast-tranverse-flow CO2 lasers is presented. It consists in measuring the temperature of the gas before and after the discharge zone under the conditions when the output mirror of the optical cavity is blocked or not. The...

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Autores principales: Santiago, Guillermo Daniel, D'accurso, Violeta
Formato: Artículo publishedVersion
Lenguaje:Español
Publicado: FIUBA 2018
Materias:
CO2 laser
high power
fast transverse flow
Laser CO2
alta potencia
flujo rápido transversal
Acceso en línea:https://elektron.fi.uba.ar/elektron/article/view/40
https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=elektron&d=40_oai
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Repositorio Digital de la Universidad de Buenos Aires (UBA) de Universidad de Buenos Aires
id I28-R145-40_oai
record_format dspace
spelling I28-R145-40_oai2026-02-11 Santiago, Guillermo Daniel D'accurso, Violeta 2018-06-08 In this work, a new method for measuring the power of light beams generated by fast-tranverse-flow CO2 lasers is presented. It consists in measuring the temperature of the gas before and after the discharge zone under the conditions when the output mirror of the optical cavity is blocked or not. Then, using a simple thermodynamic model, the emitted power is obtained. The method was tested in a continuous CO2 laser of the convective cooling type by transverse flow that can deliver a power up to 2 kW. The measured power agreed very well with that obtained with a commercial detector based on an absorbing material. En este trabajo se presenta un nuevo método para medir la potencia de haces de luz generada por láseres de CO2 de flujo rápido transversal. Éste consiste en la medición de la temperatura del gas antes y después de la zona de descarga en las condiciones cuando el espejo de salida de la cavidad óptica se encuentra o no bloqueado. Luego, usando un modelo termodinámico sencillo, se obtiene la potencia emitida. El método fue probado en un láser de CO2 continuo del tipo de enfriamiento convectivo por flujo transversal que puede entregar hasta 2 kW. La potencia medida concordó muy bien con aquella obtenida con un detector comercial basado en un material absorbente. application/pdf text/html https://elektron.fi.uba.ar/elektron/article/view/40 10.37537/rev.elektron.2.1.40.2018 spa FIUBA https://elektron.fi.uba.ar/elektron/article/view/40/37 https://elektron.fi.uba.ar/elektron/article/view/40/148 Derechos de autor 2018 Guillermo Daniel Santiago Elektron Journal; Vol. 2 No. 1 (2018); 12-15 Revista Elektron; Vol. 2 Núm. 1 (2018); 12-15 Revista Elektron; v. 2 n. 1 (2018); 12-15 2525-0159 2525-0159 CO2 laser high power fast transverse flow Laser CO2 alta potencia flujo rápido transversal The optogalvanic effect as a power detector for high-power, fast-transverse-flow CO2 lasers El efecto optogalvánico como detector de la potencia irradiada por láseres de CO2 de alta potencia de flujo rápido transversal info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=elektron&d=40_oai
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-145
collection Repositorio Digital de la Universidad de Buenos Aires (UBA)
language Español
orig_language_str_mv spa
topic CO2 laser
high power
fast transverse flow
Laser CO2
alta potencia
flujo rápido transversal
spellingShingle CO2 laser
high power
fast transverse flow
Laser CO2
alta potencia
flujo rápido transversal
Santiago, Guillermo Daniel
D'accurso, Violeta
The optogalvanic effect as a power detector for high-power, fast-transverse-flow CO2 lasers
topic_facet CO2 laser
high power
fast transverse flow
Laser CO2
alta potencia
flujo rápido transversal
description In this work, a new method for measuring the power of light beams generated by fast-tranverse-flow CO2 lasers is presented. It consists in measuring the temperature of the gas before and after the discharge zone under the conditions when the output mirror of the optical cavity is blocked or not. Then, using a simple thermodynamic model, the emitted power is obtained. The method was tested in a continuous CO2 laser of the convective cooling type by transverse flow that can deliver a power up to 2 kW. The measured power agreed very well with that obtained with a commercial detector based on an absorbing material.
format Artículo
publishedVersion
author Santiago, Guillermo Daniel
D'accurso, Violeta
author_facet Santiago, Guillermo Daniel
D'accurso, Violeta
author_sort Santiago, Guillermo Daniel
title The optogalvanic effect as a power detector for high-power, fast-transverse-flow CO2 lasers
title_short The optogalvanic effect as a power detector for high-power, fast-transverse-flow CO2 lasers
title_full The optogalvanic effect as a power detector for high-power, fast-transverse-flow CO2 lasers
title_fullStr The optogalvanic effect as a power detector for high-power, fast-transverse-flow CO2 lasers
title_full_unstemmed The optogalvanic effect as a power detector for high-power, fast-transverse-flow CO2 lasers
title_sort optogalvanic effect as a power detector for high-power, fast-transverse-flow co2 lasers
publisher FIUBA
publishDate 2018
url https://elektron.fi.uba.ar/elektron/article/view/40
https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=elektron&d=40_oai
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AT daccursovioleta theoptogalvaniceffectasapowerdetectorforhighpowerfasttransverseflowco2lasers
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AT santiagoguillermodaniel optogalvaniceffectasapowerdetectorforhighpowerfasttransverseflowco2lasers
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