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The manufacturers have had to go to great lengths to meet safety
criteria regarding the containment of laser emissions. A new, intact
instrument such as your Elite should be completely safe during
normal operation. During alignment is another story altogether.
I would recommend using UV eye protection whenever you have covers
removed and the UV laser on. Skin protection is probably optional
unless you will have chronic exposure for long periods of time.
Still - UV photochemistry is very potent! I like to minimize all
exposure to UV. In the case of the arc lamp based instrument - I
would suggest great caution is best. Definitely wear the best UV
eye protection you can buy! And you should probably minimize
skin exposure as well. If most of us didn't have a marvelous
system of dna repair mechanisms the problems caused by UV exposure
would be truly horrendous.
Robb Habbersett Los Alamos National Lab.
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