deuterium lamp的意思|示意

Deuterium Lamps：How They Work and What They Do

Deuterium lamps are used in a variety of different fields, such as medical science, industrial process control and analytical chemistry. These lamps produce a continuous light source with a wavelength of approximately 193 nanometers, which is in the ultraviolet range (UV). They are well-suited for atomic absorption (AA) and emission spectroscopy.

Deuterium lamps are made from a small cylindrical container containing a low-pressure mixture of hydrogen, deuterium and helium. A spark is created when a high-voltage arc is passed between two electrodes, creating a bright white light. This arc excites the atoms, causing them to emit visible light.

The intensity of the light from the lamp will depend on the size of the cell and the amount of hydrogen and deuterium that is present. The higher the pressure and the greater the number of atoms, the brighter the light. Lower pressure and fewer atoms will result in a dimmer light.

Deuterium lamps are often used in atomic absorption spectroscopy. This is a process by which the concentration of an atomic species can be measured by passing a light beam through a sample and then analyzing the intensity of the light that is absorbed by the sample. In this technique, the deuterium lamp serves as the source of light and the spectrum analyzer will measure the amount of light that is absorbed by the sample.

Deuterium lamps are also used in atomic emission spectroscopy, which is similar to atomic absorption spectroscopy, but instead of measuring the amount of light absorbed, it measures the amount of light emitted by the sample.

In addition to their use in analytical chemistry, deuterium lamps are also used in medical science, particularly for laboratory testing and analysis. These lamps are used in a variety of medical devices, such as cytometers, which measure the size, shape and color of cells, and microscopes, which are used to examine samples at a microscopic level.

Deuterium lamps can be used for a variety of different applications and are an essential component for many laboratories. They provide a source of light that is necessary for many analytical and medical instruments, as well as providing a stable, reliable light source for basic research.