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Reliability requirements for solid state lasers in space applications

This paper discusses the reliability requirements and specific characteristics of solid state lasers in space-borne applications. For the purpose of discussion here, we refer to solid state lasers as those not employing active media in the gas or liquid state. Therefore we will cover both semiconductor laser diodes (principally GaAlAs/GaAs) and crystalline lasers (principally Nd:YAG). The paper is therefore divided into two major sections addressing each laser type.