Array detector coupled spectroanalytical system and graded...

Array retroreflector apparatus for remote seismic sensing

Assembly and method for wavelength calibration in an echelle...

Assembly for simultaneous observation and laser interferometric

Associated dual interferometric measurement apparatus for determ

Associated dual interferometric measurement method for determini

Astigmatic illuminating system in an internal reflection spectom

Asymmetric

Asymmetric ring laser gyroscope and method for detecting rotatio

Athermalization and pressure desensitization of diffraction...

Athermalization and pressure desensitization of diffraction...

Atomic absorption spectrophotometer

Atomic absorption spectrophotometer

Atomic resonance line source lamps and spectrophotometers for us

Atomic resonance line source lamps and spectrophotometers for us

Autofocus system using common path interferometry

Automated analyzing apparatus

Automated system for spectro-photometric analysis of liquids

Automatic analyzer

Automatic gain calibration system for a phase modulator in a fib