Particulate inspection of fluids using interferometric light mea

Particulate monitor

Passive fiber optic sensor with omnidirectional acoustic sensor

Passive homodyne demodulator and sensor system

Passive quadrature phase detection system for coherent fiber opt

Passive sampling interferometric sensor arrays

Passive stabilization of a fiber optic nonlinear interferometric

Passively Q-switched dual laser

Phase conjugate relative position sensor

Phase shift measuring apparatus utilizing optical meterodyne tec

Phase-measuring interferometer

Phase-modulated interferometer for evaluating phase displacement

Phaseless wavelength modulation spectroscopy

Photo-electric particle sensing system

Photoelectric smoke detector with adjustable background signal

Photometer with rotating sample container

Photometric apparatus

Photometric apparatus and method

Picosecond optical sampling

Planar and linear fiber optic acoustic sensors embedded in an el