Group,

Amendment 2 (2001) to EN60825 Safety of laser products, has changed some
laser classifications.  The amendment has included new classifications 1M,
2M and 3R.  Class 1M and 2M include in their definitions " For diverging
beams if the user places optical components within 100mm from the source to
concentrate the beam..."  What is the rational of adding these
classifications?  What is an example of a product that would use this
technology?  Why did the IEC choose the letters "M" and "R" for these new
classifications?

All responses are greatly appreciated.

Regards

Joe Martin
Applied Biosystems


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