A spectrometer is an instrument used to measure properties of light over a specific portion of the electromagnetic spectrum, using a dispersive element. The earliest spectrometers were limited to the visible spectrum, but modern instruments can measure light over a wide range of wavelengths from the ultraviolet to the far infrared. A spectrometer is a scientific instrument used to measure properties of light over a specific portion of the electromagnetic spectrum, typically using a monochromator. A spectrometer is used to measure the intensity of light as a function of its wavelength. The most common type of spectrometer uses a diffraction grating to separate light into its component wavelengths.
How do spectrometers work ?
A spectrometer is an instrument that disperses light into a spectrum and measures the intensity of that light at each wavelength. The most common type of spectrometer uses a diffraction grating to separate the different wavelengths of light. The grating is mounted on a rotating wheel, which allows the user to select the desired wavelength. The light is then passed through a slit and focused onto a detector, which converts the light into an electrical signal. The signal is then amplified and displayed on a screen. Spectrometers are used to measure the strength of light at a particular wavelength, and they can also be used to identify the wavelengths present in a light source. They are used in many different fields, including astronomy and medicine.
Types of Spectrometer :
1. UV Visible Spectrometer
A UV spectrophotometer is used to count the different wavelengths of UV or visible light that are absorbed by or passed through a sample when compared to a blank sample.
2. Atomic Absorption Spectrometer
Atomic absorption spectrometer is designed for measuring the concentration of ionic metals in solution. This spectrometer performs integrated readings in absorbance intensity or emission intensity, together with concentration compared to standard solutions.
This spectrometer machine may be calibrated using several concentration values. Linear regression can provide calculations for use in the setup.
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