Blue Light vs. UV Light?

Large Flower Coral, Day Fluorescing, Palau, Rock Islands-World Herititage Site, Micronesia

Large Flower Coral, Day Fluorescing, Palau, Rock Islands-World Heritage Site, Micronesia

Fluorescence diving is almost universally referred to as UV diving but in fact it is rarely done using UV light.  It is done almost exclusively with Blue excitation light.  There are a number of reasons why that is and the following white paper addresses these reason in detail.

Why Use Blue Light For Underwater Fluorescence Rather Than UV -rev1.doc