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Laser for Bath Interferometer

Laser for Bath Interferometer

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Laser for Bath Interferometer
$15.00

Availability: Out of stock

ALL BATH INTERFEROMETER PRODUCTS HAVE BEEN MOVED TO MY NEW STORE HERE:


https://thegr5store.com/wp/
5mw Laser with proper balance resistor and USB connector to work with any USB charger. You can buy 10 of these lasers for $1 from China or for $6 in USA so if you are good with electronics you can just make your own. Otherwise you can buy my version. The price is almost all for my labor of putting these together.

If you unscrew these (there is just one drop of glue holding them from unscrewing) you can see there is a spring and a lens inside. The tightness of the threads sets the focus (I tried to focus for infinity).

These lasers work great with the Bath interferometer. I recommend 5mw red laser for the Bath for several reasons.

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5mw Laser with proper balance resistor and USB connector to work with any USB charger. You can buy 10 of these lasers for $1 from China or for $6 in USA so if you are good with electronics you can just make your own. Otherwise you can buy my version. The price is almost all for my labor of putting these together. If you unscrew these (there is just one drop of glue holding them from unscrewing) you can see there is a spring and a lens inside. The tightness of the threads sets the focus (I tried to focus for infinity). These lasers work great with the Bath interferometer. I recommend 5mw red laser for the Bath for several reasons.

Diverger focal length     minimum F/# of mirror under test
7.65 F/3.3
9 F/3.6
13 F/4.7
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