Determination of the absorption length of CO2 and high power diode laser radiation for a high volume alumina-based refractory material

Lawrence, Jonathan and Li, Lin (2000) Determination of the absorption length of CO2 and high power diode laser radiation for a high volume alumina-based refractory material. Applied Surface Science, 168 (1-4). pp. 71-74. ISSN 0169-4332

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Official URL: http://dx.doi.org/10.1016/S0169-4332(00)00593-6

Abstract

The laser beam absorption lengths of CO2 (10.6 m wavelength) and a high power diode laser (HPDL) (810 nm wavelength ) radiation for an Al2O3/SiO2-based refractory have been determined through the application of Beer-Lambert’s law. The findings revealed marked differences in the absorption lengths despite the material having similar beam absorption coefficients for both lasers. The absorption lengths for the Al2O3/SiO2-based refractory of CO2 and a HPDL radiation were calculated as being 34522 m and 19815 m respectively. Moreover, this method of laser beam absorption length determination, which has hitherto been used predominantly with lasers operated in the pulsed mode, is shown to be valid for use with lasers operated in the continuous wave (CW) mode, depending upon the material being treated.

Item Type:Article
Additional Information:The laser beam absorption lengths of CO2 (10.6 m wavelength) and a high power diode laser (HPDL) (810 nm wavelength ) radiation for an Al2O3/SiO2-based refractory have been determined through the application of Beer-Lambert’s law. The findings revealed marked differences in the absorption lengths despite the material having similar beam absorption coefficients for both lasers. The absorption lengths for the Al2O3/SiO2-based refractory of CO2 and a HPDL radiation were calculated as being 34522 m and 19815 m respectively. Moreover, this method of laser beam absorption length determination, which has hitherto been used predominantly with lasers operated in the pulsed mode, is shown to be valid for use with lasers operated in the continuous wave (CW) mode, depending upon the material being treated.
Keywords:laser, absorption, refractory, alumina, silica
Subjects:H Engineering > H680 Optoelectronic Engineering
H Engineering > H700 Production and Manufacturing Engineering
Divisions:College of Science > School of Engineering
ID Code:3199
Deposited By:INVALID USER
Deposited On:09 Aug 2010 15:02
Last Modified:13 Mar 2013 08:44

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