Quote:
Originally Posted by Radio Wrangler
To help many smll neons ionise and get going, there were often some radioactively frolicksome additives to their gas content.
David
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Back in the day when I was involved with high power YAG lasers, there was a similar radioactively doped trigger called a Krytron that operated the Q-switch and had to operate at nanosecond switching time. It even had a radioactive symbol on it.
These came from the States, and were subject to all sorts of import controls - and at the end of life had to be returned. Reason was that the main use was as the trigger for things that went seriously bang.
Craig