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Short Arc Lamp (CSI: Short Arc Metal Halide Lamp)

The glass shell of this short-arc iodide lamp is nearly spherical, and the two tungsten electrodes used for discharge are only 9 to 14 mm apart. The structure of this lamp is different from most short-arc light sources. It is single-ended and very small, which is convenient for effective use in optical systems such as Reflectors or lenses.

In addition to mercury, this lamp must be filled with sodium, gallium, and thallium halides. Due to their high current density and pressure, they produce a considerable number of continuous background spectral lines, which makes the color rendering very good.

Floodlight, the lamp body is very small. The beam width is 18°, and the peak beam output is 1.5x106 candlepower. Since the Reflector and light source are completely sealed, the light output retention performance is very good, and the life is longer than that of general use in air.

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