BK-7 window diam 1"*3mm thickness
US$1.0 each for 1000 order
US$0.9 each for 10000 order

Suprasil window diam 1"*3mm thickness
Fused Silica visible grade.
US$3.5 each for 1000 pcs order
US$3.0 each for 10000 pcs order

ZnSe window diam 1"*3mm thickness
US$18 each for 1000 pcs order
US$15 each for 10000 pcs order
additional pricing on other ZnSe optics

Si window diam 1"*3mm thickness
Si single crystal, transmission of 50-52% in the region of 2 to 6 micron
US$4.5 each for 1000 pcs order
US$3.5 each for 10000 pcs order

CaF2 window diam 1"*3mm thickness
CaF2 IR grade, multicrystalline, transmission 90-92% in region 3-7 micron
US$3.5 each for 1000 pcs order
US$3 each for 10000 pcs order

MgF2 window diam 1"*3mm thickness
MgF2 IR grade, multicrystalline, transmission 90-92% in region 1-6 micron
US$14 each for 1000 pcs order
US$10 each for 10000 pcs order

All substrates are optically polished both sides as per specifications:

Scratch-dig 80-50 (or 60-40 on request)
Flatness One Lambda (or Lambda/2 or request)
Parallelism 3 arc minutes
Uncoated
Edge chamfer 0.2-0.5mm at 45°
Package: individually wraped in optical paper
Price are given as ex-works