Measuring of the surface characteristic parameters of the polyethylene terephthalate (PET) fabric irradiated by UV laser

Guoxing He; Shaohua Liang

doi:10.1117/12.570582

13 January 2005 Measuring of the surface characteristic parameters of the polyethylene terephthalate (PET) fabric irradiated by UV laser

Guoxing He, Shaohua Liang

Author Affiliations +

Proceedings Volume 5629, Lasers in Material Processing and Manufacturing II; (2005) https://doi.org/10.1117/12.570582
Event: Photonics Asia, 2004, Beijing, China

Abstract

According to the optical transmission model of laser irradiated Polyethylene terephthalate (PET) fabric, the method of measuring the surface characteristic parameters, both the equivalent optical thickness and the gain of dye strength, is presented in detail. The PET fabrics untreated and irradiated by UV laser (308 nm, mJ/cm², 10 pulses) are used in our experiment. They are dyed respectively by three disperse dyes (Ciba Terasil Red G 150%, Ciba Terasil Blue BG-02 200% and Ciba Terasil Navy GRL-C 200%) with various concentrations. The spectral reflectance distributions of the untreated and irradiated PET fabrics dyed are carried out with the color measuring and matching system (Datacolor, SF600plus). The experimental data indicated that the dye strength of disperse dye in the UV laser irradiated PET fabric was greater than that in the untreated, that the gain of dye strength is relative to dyestuff, and that the calculated reflectance of UV laser irradiated PET fabric is accordant well to the measured. The results show that the optical transmission model of laser irradiated PET fabric is reasonable and available.

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Guoxing He and Shaohua Liang "Measuring of the surface characteristic parameters of the polyethylene terephthalate (PET) fabric irradiated by UV laser", Proc. SPIE 5629, Lasers in Material Processing and Manufacturing II, (13 January 2005); https://doi.org/10.1117/12.570582

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KEYWORDS

Positron emission tomography

Reflectivity

Ultraviolet radiation

Transmittance

Absorption

Dye lasers

Laser development

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