1 March 1991 Optics in adverse environments
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An adverse environment is defined and several examples of optics in these environments are presented. An adverse environment implies external surroundings and differences that are sources of potential disturbance of the optical system. There are three principle stages of increasing perturbation for any optical system subjected to an adverse environment which include satisfactory operation, unsatisfactory operation which returns to satisfactory when the disturbance is removed, and permanently degraded performance. Mechanical and thermal disturbances will exhibit all three stages, and chemical disturbances will frequently not exhibit any appreciable reversability, but an increasing degradation that moves eventually from satisfactory operation directly to permanently impaired.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
H. Angus Macleod, "Optics in adverse environments", Proc. SPIE 1399, Optical Systems in Adverse Environments, (1 March 1991); doi: 10.1117/12.47829; https://doi.org/10.1117/12.47829


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