Concentration measuring method and apparatus for absorption...

Condensation nucleus type device for counting particles in gas u

Conjugate interferometer

Contactless optical process for identifying objects

Contaminant identification and concentration determination by mo

Contaminant identification and concentration determination by mo

Controllable interferometer

Correction of non-linearities in detectors in fourier transform

Correlation function measurement method and apparatus, and wave

Cross-correlation method and apparatus for suppressing the effec

Cytoanalyzer using separate sensing portions on a dectector and

Cytometer

Cytometer

Cytometer having fluid core stream position control

Demodulator and method useful for multiplexed optical sensors

Demodulators for optical fiber interferometers with [3.times.3]

Depolarized light source for fiber optic sensors

Depth-resolved spectroscopic optical coherence tomography

Detection and imaging of objects in scattering media by light ir

Detection of new species of particles