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This uk website is supposedly selling 460nm laser pens, does anyone know if they are really 460nm ?, he is selling them in 1mW, 5mW, 20mW and 50mW. I have purchased laser pens from that website before and i have had no problems, but 460nm laser pens sound too good to be true. Here is the link...

This uk website is supposedly selling 460nm laser pens, does anyone know if they are really 460nm ?, he is selling them in 1mW, 5mW, 20mW and 50mW. I have purchased laser pens from that website in the past and i have had no problems, but 460nm laser pens sound too good to be true. Here is the...

Why is 612nm(true orange) only possible in gas/hene laser form ?, I have always wanted to know why true orange(612nm) isn't possible in normal portable laser pen style form like other wavelengths are. I am guessing it's because 612nm diodes don't exist, but why haven't any big companies created...

Have any of you ever purchased violet or green laser pens from technologyplanet.co.uk ?, I ask because there is some strangely priced violet laser pens on there. For example they are selling a 80mW violet laser pen for £60 and a 50mW violet laser pen for £70, it's just odd that they would sell...