Dear Mustafa,Salt lens is simply build with salt not with a glass
I never saw a salt mirror , i do not know its transparency but i think it could be used to make lenses.
Mustafa Umut Sarac
I am researching laser hardware making nearly 20 years and I think I found something interesting.
As you know , common laser technology contains a gas , liquid , solid rod and two half transparent mirror at the two ends. CO2 lasers are the most powerful lasers you can do it yourself and they create thousand degree heat. The salt mirrors can live with that heat and transparent to this beam.
I never saw a salt mirror , i do not know its transparency but i think it could be used to make lenses.
May be it can even be doped with rare earth metals and so.
Anyone know about this ?
Salt is very sensitive to moisture but it can protected with filters.
Best ,
Mustafa Umut Sarac
Thank you very much for your link.
What about the r index ?
May be we can create a extraordinary big lens and shoot a very big glass negative and throw the lens.
As photo engineer says , it can be cracked easily but it can be manufactured as easy as it is.
Is there anyone who knows something about their manufacturing process ?
I think I will look to the patents.
Best ,
Mustafa Umut Sarac
Ron- but how many gilettes is the giant one? or is it measured in Boeings, or NORADs?
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