Abbreviations/Acronyms

dihematoporphyrin ether

hematoporphyrin derivative

imaging photopolarimeter

metropolitan area network

media access unit — A media access unit (MAU) is a unique device utilized to connect token ring devices from multiple network stations into a star topology. There are two types of MAUs, passive and active. Passive MAUs are powered from their network connections while active MAUs are powered electrically from an external source.

optical parametric oscillator

proportional integral derivative; pulse interference detector

power in/power out

power oscillator