Fungal testing of diode laser collimators

Maria de Lourdes Quinta; Jose Cabrita A. Freitas; Fernando Carvalho Rodrigues; Jeronimo Araujo Silva

doi:10.1117/12.47831

1 March 1991 Fungal testing of diode laser collimators

Maria de Lourdes Quinta, Jose Cabrita A. Freitas, Fernando Carvalho Rodrigues, Jeronimo Araujo Silva

Proceedings Volume 1399, Optical Systems in Adverse Environments; (1991) https://doi.org/10.1117/12.47831
Event: Singapore, 1990, -, Singapore

Abstract

The utilization of laser systems in adverse environment conditions imposes several project restrictions. In our application, the design of laser collimators was developed according not only with the specified optical, mechanical and electronic parameters, but also, taking into account the specific environment characteristics in which the equipment was to be used, namely, climate, physical elements and biological agents. The utilization of several kinds of materials, like silicone, rubber, PVC, nitro-cellulose lacquers and oil varnishes, may facilitate the attack by fungi and in some special cases by bacteria in humid environments. In this paper the behavior of laser collimators after a severe essay with optimal conditions of humidity and temperature appropriated to growth of fungi is described.

Citation Download Citation

Maria de Lourdes Quinta, Jose Cabrita A. Freitas, Fernando Carvalho Rodrigues, and Jeronimo Araujo Silva "Fungal testing of diode laser collimators", Proc. SPIE 1399, Optical Systems in Adverse Environments, (1 March 1991); https://doi.org/10.1117/12.47831

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