Fast optical absorption tomography apparatus and method

Femtosecond chirp-free transient absorption method and...

Fiber laser intra-cavity spectroscope

Fiber optic probe and related apparatus, systems and methods...

Fiber optic probe apparatus and method

Fiber optic probe apparatus and method

Fiber optic probes apparatus for spectrophotometry

Fiber optic smoke detector

Fiber optic transmissometer

Fiber-amplifier cavity for cavity ring down spectroscopy

Fiber-optic based cavity ring-down spectroscopy apparatus

Fiber-optic probe for absorbance and turbidity measurement

Fiberoptic probe and system for spectral measurements

Filter cleaning system for opacity monitor

Flame treated turbidity sensor

Floppy disk transmissivity meter

Flow cell for optical detection having reduced sensitivity...

Flow cell for particle scanner

Flow cells utilizing photometric techniques

Flow contamination monitor