Spectrometers and spectrophotometers:
Spectrometers, spectrophotometers, spectrographs, or spectroscopes are instruments used to gauge properties of light over a particular portion of the electromagnetic spectrum, characteristically used in spectroscopic analysis to detect materials. The variable measured is usually the light’s intensity or the polarization state. A spectrometer is used in spectroscopy for generating spectral lines and gauging their wavelengths and intensities.

Spectrometers Range of Operation:

• From Gamma Rays & X-Rays
• To Far Into the Infrared Spectrum
• Measures in Relative Units
Spectrophotometers Range of Operation:
• Measures the Spectral Range Within the Visible Spectrum
• Measures in Absolute Units
All atomic absorption spectrometers, mass spectrometers, and both visible and uv/visible spectrophotometers in diode array and optical configurations need various optics. Manufacturers include Perkin Elmer, Agilent, Beckman, Shimadzu, and Thermo Fisher.


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