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Old 02-14-2008, 07:04 AM #1
Class 2M Laser
 
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heruursciences has much to be proud ofheruursciences has much to be proud ofheruursciences has much to be proud ofheruursciences has much to be proud ofheruursciences has much to be proud ofheruursciences has much to be proud ofheruursciences has much to be proud ofheruursciences has much to be proud ofheruursciences has much to be proud ofheruursciences has much to be proud of
Default My ARGON LASER 4 YELLOW POINTER?  HP reds FS

Just a simple straightforward swap of a small 50mw single mode air-cooled blue argon laser for a yellow beam pointer of at least 2 mW. No out of USA swap on this item though!

Also have several hundred laser diodes cheap! 658nm 100+mW 200mw+ possible if you de-can them or remove the window. Asking $20 each delivered or 10/$150 or 100 for $1K. Have 500 available.

My batch of these have been found to have a coherence length of about 40 meters at 53mw and 25 degC so they can replace that big ole hene you were using for holography too! Keeping the temp and current stable is absolutely critical though; solution? Use a big heat sink mounted to a tec controlled by a wavelength electronics tec controller, using the OPTICAL BREADBOARD TABLE as the hot side heat sink! For the power supply simply a gross overkill battery pack, say 4 D cells in series and a variable or fixed resistor to control current ala Ohm's law.

Removing the window gives a coherence of about... ready??!!! 190+ meters!!!!

Pay-pal preferred, check or money orders OK. Will ship FREE, even WORLDWIDE. Free EXPRESS MAIL shipping if you buy over $500 worth.

Thanks Chris


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