Apparatus for rapid and accurate analysis of the composition of

Chemical species optical analyzer with multiple fiber channels

Continuously rotating grating rapid-scan spectrophotometer

Continuously rotating grating rapid-scan spectrophotometer

Controlling light beam spectrum

Correlational gas analyzer

Correlational gas analyzer

Holographic diffraction grating system for rapid scan spectral a

Laser spectrometer with frequency calibration

Method and apparatus for measuring waveforms and wavelengths...

Monochromator and optical analyzing device using the same

Multiangle, multiwavelength particle characterization system and

Operator selectable multiple mode spectrophotometer

Optical arrangement for selection and detection of the...

Optical scanning spectrometer

Optical spectrum analyzer having adjustable sensitivity

Optical system for stagger compensation in an optical scanner

Oscillating mechanism driven monochromator

Rapid scan spectrophotometer

Rapid-scanning monochromator with moving intermediate slit