Argon flash

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Argon flash is a method for generating very short and extremely bright flashes of light using a shock wave in argon or other suitable noble gas.

The device consists of a vessel filled with argon and a solid explosive charge. The explosion generates a shock wave, which heats the gas to very high temperature (over 104 K). The gas then emits a flash of intense visible and ultraviolet radiation. The amount of explosive can control the intensity of the flash.

Argon flash is a standard procedure for eg. photographing explosions[1], or for use in high altitude test vehicles[2].

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