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DIY Optical Lens Building Material,Mineral Monocrystal Potassium Dihydrogen Phosphate 2016-02-07

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Mustafa Umut Sarac submitted a new resource:

(there was a url link here which no longer exists) - DIY Optical Lens Building Material,Mineral Monocrystal Potassium Dihydrogen Phosphate

Whatever you do,stop!!! and download the LLNL paper attached.

If you want to build large lenses and if optical glass is not available to your lens size, very expensive or at foreign company,you can make your exotic Lawrence Livermore Laboratories Laser Fusion experiments grade KDP mono crystal, 320 kilograms of mass in few months,only preparing an saturated liquid,an turntable and heating the mass 40 to 70 celcius degrees.

I prepared a basic intro, google KDP and...

(there was a url link here which no longer exists)
 
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attached paper gives most important details of growing KDP monocrystal.
 
sigma price of powder 175 dollars per kilogram , 100 times more expensive than china.
 
Potassium Dihydrogen Phosphate (KH2PO4) is a crystal noted for its non-linear optical properties. It has been used as electro-optical polarization rotators to vary the intensity and frequency doubling of Nd:YAG laser. It is hygroscopic, very fragile, lacks mechanical strength, and is sensitive to thermal shock; consequently, it must be handled with care and kept dry.

Dont you handle your camera glass with care and kept it dry ?
 
Mustafa, I leave my lenses out in the rain. How do you keep yours?
 
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