A fiber optic probe for supplying and collecting instrumentation light in shock experiments. The fiber optic probe comprises two optical fibers and the necessary lens elements to concentrate laser light coming from one of the fibers onto a specimen, and to collect reflected laser light from the specimen...http://www.google.co.uk/patents/US5202558?utm_source=gb-gplus-sharePatent US5202558 - Flexible fiber optic probe for high-pressure shock experiments
