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To: Exciton who wrote (11604)	12/16/1997 7:09:00 PM
From: Peter V	Read Replies (1) \| Respond to of 25960

(off topic - blue laser) thanks exciton, I was totally guessing when I said less than $100, and was just trying to point out the differences between the excimer and blue lasers. The $1.00 price is amazing low, however.

To: Exciton who wrote (11604)	12/16/1997 10:49:00 PM
From: Zeev Hed	Respond to of 25960

Exciton: Most of the work in solid state blue diodes and blue lasers is directed to disply (diodes) and higher density optical memory systems, and possibly for communications. These solid state devices have currently very low power (in the microwatts going to milliwatts. I do not think they are a threat to eximer laser applications. Apart of that, to get to the sub 300 nanometer range, solids with band gaps well in excess of 4 ev will be required, and these are not too common. Does anyone knows if there is work in the field of free electron lasers going on for semiconductor applications? Zeev