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Buy Low-iron high transmission float glass

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    Oct 02,2009

  • Date Posted:

    Sep 02,2009

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Dear Sir, do you have glass with high transmission at 980nm (around 92,0%)  Kind Regards, Cai Remitz
We need low-iron high transmission float glass, specifically at 980 nm.

We need data from the glass suppliers regarding the following measurement:

Transmission at 980 nm

Absorption coefficient α ≤ 0.003 [1/mm].
The absorption coefficient is defined through T=e-α·t, where T is the transmission excluding surface reflections and t is the thickness in millimetres.

Assuming surface reflections of 4% per surface, this corresponds to a total transmission through a 10 mm glass plate of (1-0.04)2·e-0.003·10 ≈0.89.

 We are interested in knowing the α coefficient from glass suppliers. If these give good values we would like to order samples for our trials.

Kind Regards,

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