Fiber optical power meter is a tool for telecom and CATV network. Novanta. Ophir offers a complete range of laser power and energy sensors measuring femtowatts to hundreds of kilowatts and picojoules to hundreds of joules. Ophir products enhance our customers' capabilities and productivity in the Semiconductor, Industrial, Life and Health sciences, Research and Defense. Optical power meters for fiber optic networks: For the installation, maintenance, and testing of single-mode and multi-mode networks and cables. It can make accurate measurement on seven operating wavelengths (850/980/1300/1310/1490/1550 /1625nm)., single mode or multimode) requirements. • Wavelength switching is also incorporated into the design to adjust the power.